## Summary
- On every CLI command invocation (except `update`/`upgrade`/`mcp`), a
detached subprocess checks PyPI for newer versions (throttled to once
per 4 hours) and caches the result at `~/.arcade/update_cache.json`
- On the next invocation, if a newer version is known, a yellow
one-liner notification is printed suggesting `arcade update`
- Respects `ARCADE_DISABLE_AUTOUPDATE=1` environment variable to opt out
entirely
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Medium Risk**
> Adds a background PyPI version check that spawns detached subprocesses
and may print update notifications on most CLI invocations; mistakes
could impact CLI reliability or corrupt MCP stdio output (mitigated by
explicit command exclusions).
>
> **Overview**
> Adds `arcade update` (and hidden `arcade upgrade` alias) to
self-upgrade the `arcade-mcp` CLI by detecting the original install
method (`uv tool`, `pipx`, `uv pip`, or `pip`) and running the
appropriate upgrade command.
>
> Introduces a **throttled background update check** on most CLI
invocations: a detached subprocess queries PyPI, writes
`~/.arcade/update_cache.json`, and on subsequent runs prints a one-line
notification when a newer version is cached; this is disabled via
`ARCADE_DISABLE_AUTOUPDATE=1` and explicitly skipped for
`update`/`upgrade`/`mcp` to avoid MCP stdio output corruption.
>
> Bumps the package version to `1.13.0`, adds a `packaging` dependency,
and includes comprehensive tests covering PyPI/yanked/prerelease
handling, install-method detection, caching, and callback integration.
>
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---------
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
We will be adding some product analytics toolkits in the near future
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Low Risk**
> Low risk: adds a new `ServiceDomain` enum value and bumps the package
version, with minimal behavioral impact beyond any downstream enum
matching/serialization expectations.
>
> **Overview**
> Adds `ServiceDomain.PRODUCT_ANALYTICS` (`"product_analytics"`) to tool
metadata classification to support upcoming product analytics
integrations.
>
> Bumps `arcade-core` version from `4.5.0` to `4.6.0`.
>
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Resolves
https://linear.app/arcadedev/issue/TOO-590/add-resources-support-to-server-framework
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Medium Risk**
> Adds new resource registration/reading semantics (including URI
templates and duplicate/multiple-match policies) and changes JSON Schema
generation for tool I/O, which may affect MCP client compatibility and
runtime behavior across servers.
>
> **Overview**
> **Adds first-class MCP Resources support across `arcade-mcp-server`.**
`MCPApp` can now register resources at build time via
`add_resource`/`@resource` plus convenience `add_text_resource` and
`add_file_resource`, and passes these through to `MCPServer` for startup
loading (including `ResourceTemplate` URIs with `{param}` and `{param*}`
matching).
>
> **Extends `ResourceManager` behavior.** Resource reads now coerce
handler return types (including raw `bytes` to base64
`BlobResourceContents`), support template matching with
overlap/multiple-match detection, and introduce configurable duplicate
handling policies.
>
> **Improves tool schema + MCP Apps linking.** Tool input/output JSON
Schema generation is refactored to recursively expand nested `json`
schemas and ensure `outputSchema` is always an object (wrapping
non-object returns in a `result` property); `MCPApp` also supports
attaching arbitrary tool `_meta` extensions (e.g., `ui.resourceUri`)
applied at server start.
>
> Adds two new example servers (`resources`, `tools_with_output_schema`)
and broad test coverage for resource templates, static/file resources,
meta extensions, and schema wrapping/recursion.
>
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---------
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Monorepo has new linting and formatting preferences. Updated the
`--full` to reflect that.
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Low Risk**
> Low risk: changes only affect the generated `--full` project template
and CLI help surface (flag is now hidden), plus a patch version bump.
>
> **Overview**
> Updates `arcade new --full` to be *internal-only* by hiding the flag
and revises the full template to match monorepo conventions
(Ruff/pre-commit versions and hook IDs, `.ruff.toml` now extends the
repo config, `pyproject.toml` formatting/booleans, adds `pytest`
`asyncio_mode`, and removes `pre-commit install` from the template
`Makefile`).
>
> Adds a regression test ensuring generated full-template files match
these conventions, and bumps the root package version to `1.12.2`.
>
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**Implements**: [SEP-2448: server execution telemetry]
(https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2448)
**Description:**
**The Observability Gap (The Problem)**
MCP clients propagate trace context to servers, but server-side
execution remains a black box. The client sees a single tools/call or
resources/read span; everything the server does (auth checks, policy
evaluation, API calls, sub-tool invocations) is invisible. In
cross-organization deployments, clients and servers use separate
observability backends with no shared collector access, making
traditional span export useless.
<img width="1015" height="450" alt="Screenshot 2026-03-23 at 3 43 21 PM"
src="https://github.com/user-attachments/assets/58c817b5-fee6-46a3-9877-d523a25368ad"
/>
**Server Execution Telemetry (The Solution)**
Servers advertise serverExecutionTelemetry and return a curated slice of
their execution spans directly in _meta.otel of the response. Clients
ingest these verbatim OTLP spans into their own collector, stitching
server-side execution into their distributed trace; no shared
infrastructure required. The black box becomes transparent.
<img width="945" height="574" alt="Screenshot 2026-03-23 at 3 43 44 PM"
src="https://github.com/user-attachments/assets/38d97c94-aa73-4e62-9b4e-3264600e5ed0"
/>
.
**Summary:**
Implement MCP serverExecutionTelemetry capability that enables
cross-organization distributed tracing by returning server-side
OpenTelemetry spans to clients inline via _meta.otel.traces.
Server-side (middleware):
- TelemetryPassbackMiddleware intercepts tools/call and resources/read
- ContextVarSpanCollector isolates span collection per-request via
ContextVar
- Propagates traceparent from client request for distributed trace
stitching
- Serializes collected spans to verbatim OTLP JSON (resourceSpans
format), directly POSTable to /v1/traces
- Top-level span filtering by default; full span tree via detailed
opt-in
- Middleware advertises capabilities via get_capabilities() on the
Middleware base class
- Provisional API: FutureWarning emitted until SEP-2448 is ratified
Client-side (reference agent):
- LangChain ReAct agent connects to MCP server via
streamable_http_client with OAuth 2.1
- Detects serverExecutionTelemetry capability at initialization
- Dynamically wraps discovered MCP tools with traceparent propagation
and _meta.otel span request
- Ingests returned server spans into Jaeger (OTLP JSON) and Galileo
(OTLP protobuf)
- Two-act demo: --no-passback (black box) vs default (full server-side
visibility)
Dependencies:
- opentelemetry-api and opentelemetry-sdk added to arcade-mcp-server
Bump arcade-mcp-server version to 1.18.0.
When a stdio server had a tool that didn't return a dict, then:
```
{
"code": "invalid_value",
"values": [
"object"
],
"path": [
"tools",
2,
"outputSchema",
"type"
],
"message": "Invalid input: expected \"object\""
}
```
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Medium Risk**
> Changes the generated `outputSchema` shape for all non-`json` return
types by wrapping them under a `result` property, which may affect
clients/tests expecting primitive/array schemas despite being
spec-correct.
>
> **Overview**
> Adjusts MCP tool `outputSchema` generation to **always** emit an
object schema, per the MCP spec that `structuredContent` must be a JSON
object.
>
> `json` outputs remain a direct object schema, while primitive/array
outputs are now wrapped as `{ "type": "object", "properties": {
"result": <inner> } }` (preserving `enum`/`items`), and tests are
expanded to cover these cases. Bumps `arcade-mcp-server` version to
`1.18.0`.
>
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Updated authlib==1.6.6 to authlib==1.6.9 in the CLI's pyproject.toml.
The breaking changes in 1.6.7–1.6.9 are all in the JWT/JOSE/OIDC
modules, which the CLI doesn't use. The only authlib import is
OAuth2Client from authlib.integrations.httpx_client (in
libs/arcade-cli/arcade_cli/authn.py), used for OAuth 2.0 + PKCE. That
module is unaffected.
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Low Risk**
> Low risk dependency/version bump; only affects the CLI’s OAuth2
`OAuth2Client` usage and does not change runtime code paths beyond
pulling in the newer library.
>
> **Overview**
> Bumps the package version from `1.12.0` to `1.12.1` and upgrades the
pinned `authlib` dependency from `1.6.6` to `1.6.9` in `pyproject.toml`.
>
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Here's the PR summary:
---
## Enforce semver validation for `MCPApp` versioning
### Problem
`MCPApp.__init__` accepted any string as `version` with no validation.
Invalid versions like `"1.0.0dev"` or `"latest"` silently propagated to
the Engine, where `compareToolVersions` fell back to lexicographic
`strings.Compare` instead of `semver.Compare` — causing incorrect
ordering (e.g. `1.10.0 < 1.9.0`).
### Solution
Validate and normalize `version` at `MCPApp` instantiation time using
the same acceptance rules as Go's `golang.org/x/mod/semver v0.31.0` (the
exact version used by the Engine).
### Changes
**`arcade_mcp_server/_validation.py`** (new file)
- Shared regex constants: `SEMVER_PATTERN` (semver.org spec),
`SHORT_VERSION_PATTERN`, `MAJOR_ONLY_PATTERN`
**`arcade_mcp_server/mcp_app.py`**
- Added `_validate_version()` mirroring the existing `_validate_name()`
pattern
- Added `version` property + setter (validates on mutation too)
- `__init__` now stores `self._version` via `_validate_version()`
**`arcade_mcp_server/settings.py`**
- Added `@field_validator("version")` on `ServerSettings` — covers the
`MCP_SERVER_VERSION` env var path
- Fixed default from `"0.1.0dev"` → `"0.1.0"` (the old default was
itself invalid)
**`pyproject.toml`** — bumped `arcade-mcp-server` `1.17.4` → `1.17.5`
### Normalization pipeline
All inputs are normalized to canonical `MAJOR.MINOR.PATCH` before
storage:
| Input | Stored as |
|-------|-----------|
| `v1.0.0` | `1.0.0` |
| `1.0` / `v1.0` | `1.0.0` |
| `1` / `v1` | `1.0.0` |
### Verification
Validated against `golang.org/x/mod/semver v0.31.0` (Engine's exact
pinned version) — 40/40 accept/reject cases match. The Engine's own
`store_test.go` uses `"1.0"` and `"1.1"` as `ToolkitVersion` values,
confirming short forms are intentionally supported.
### Breaking change
Any user currently passing a non-semver version string (e.g.
`"1.0.0dev"`, `"latest"`) will get a `ValueError` on upgrade. This is
intentional — those versions were silently causing incorrect tool
ordering in the Engine.
Closes TOO-518
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Medium Risk**
> Introduces stricter version validation/normalization that will raise
errors for previously-accepted non-semver inputs (including via env
vars), which may break existing consumers depending on lax version
strings.
>
> **Overview**
> **Enforces semver for server versioning** across both `MCPApp` and
`ServerSettings`, rejecting invalid strings and normalizing accepted
inputs (e.g., stripping leading `v`, expanding `1`/`1.2` to
`1.0.0`/`1.2.0`).
>
> Adds shared `normalize_version` logic in
`arcade_mcp_server/_validation.py`, updates `MCPApp` to validate on init
and via a new `version` property/setter, and adds a Pydantic `version`
validator so `MCP_SERVER_VERSION` is checked. Defaults are updated from
`0.1.0dev` to `0.1.0`, tests are expanded to cover accept/reject cases,
and the package version is bumped to `1.17.5`.
>
> <sup>Written by [Cursor
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---------
Co-authored-by: Eric Gustin <34000337+EricGustin@users.noreply.github.com>
Use this PR summary:
---
## [TOO-522] Suppress chardet warning and fix OpenTelemetry telemetry
### Summary
Reduces noisy chardet/urllib3 warnings in telemetry and updates the
OpenTelemetry logger API to match the current SDK.
### Changes
**`libs/arcade-serve/arcade_serve/fastapi/telemetry.py`**
- Add `warnings.filterwarnings` to ignore `RequestsDependencyWarning`
when chardet≥6 is present (requests uses charset-normalizer regardless)
- Replace `_logs.set_logger_provider` with `set_logger_provider` from
`opentelemetry._logs` (API change in OpenTelemetry 1.15+)
**`.ruff.toml`**
- Add per-file ignore for E402 on `telemetry.py` because
`warnings.filterwarnings` must run before the opentelemetry imports that
pull in requests
**`libs/arcade-serve/pyproject.toml`**
- Bump version 3.2.1 → 3.2.2
---
Closes TOO-522
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Low Risk**
> Low risk: changes are limited to telemetry initialization (warning
filtering and OpenTelemetry logger-provider wiring) plus a patch version
bump, with minimal impact outside observability.
>
> **Overview**
> Reduces telemetry startup noise by filtering `requests`
`chardet`-related warnings before OpenTelemetry imports, and updates
logging initialization to use `opentelemetry._logs.set_logger_provider`
instead of the deprecated `_logs.set_logger_provider` call.
>
> Adds a targeted Ruff `E402` per-file ignore for `telemetry.py` to
allow the early warning filter, and bumps `arcade-serve` version from
`3.2.1` to `3.2.2`.
>
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<!-- CURSOR_SUMMARY -->
> [!NOTE]
> **Medium Risk**
> Test-only change, but it removes coverage for concurrent tool
execution over HTTP, which could let concurrency regressions slip
through unnoticed.
>
> **Overview**
> Removes three async end-to-end integration tests in
`test_end_to_end.py` that asserted **parallel/concurrent tool
execution** timing across the HTTP `POST /mcp` JSON-RPC route, the `POST
/worker/tools/invoke` route, and a mixed MCP+Worker scenario.
>
> No production code changes; remaining HTTP and stdio E2E coverage
stays in place, but the suite no longer validates HTTP concurrency
behavior.
>
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- update_deployment() was using httpx default timeout (5s) instead of
the 360s used by deploy_server_to_engine(), causing "The write operation
timed out" errors on larger packages
- Catch httpx.TimeoutException in both deploy paths with an actionable
error message that points to package size as the likely cause
- Add proper error handling (ConnectError, HTTPStatusError) and
client.close() to update_deployment(), matching
deploy_server_to_engine()
- Add unit tests covering timeout handling and timeout constant usage
<!-- CURSOR_SUMMARY -->
> [!NOTE]
> **Medium Risk**
> Moderate risk because it changes the default `arcade new --full`
scaffolding (dependencies, entry points, Makefile workflow, licensing)
and removes interactive prompts, which could break existing expectations
for generated projects.
>
> **Overview**
> `arcade new --full` scaffolding is simplified to be non-interactive
and always generate an `arcade_<name>` package, with derived name
variants (title/hyphenated) and updated next-step instructions (`make
install/dev/test/lint`).
>
> The full template is updated to produce a runnable `arcade-mcp-server`
`MCPApp` (`__main__.py` + `project.scripts`), switch sample
code/tests/evals to a new async Reddit example tool (auth + metadata)
using `httpx`, and refresh dev tooling (new `Makefile`, ruff config
tweaks, added pytest `conftest.py`).
>
> Template licensing/metadata is standardized to Arcade proprietary
(removes community/official conditionals and the templated README), and
the repo version is bumped to `1.12.0`.
>
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<!-- CURSOR_SUMMARY -->
> [!NOTE]
> **Low Risk**
> Mostly CI/test and CLI output tweaks, plus a small refactor to reuse
existing subprocess termination logic; low risk with minor potential for
CI environment/version compatibility issues.
>
> **Overview**
> Expands CI coverage by adding Python `3.13` and `3.14` to the GitHub
Actions matrices (main tests, install test, and no-auth CLI
integration), and removes a redundant editable install step in the
no-auth workflow.
>
> Cleans up Windows subprocess handling by dropping
`arcade_cli.deploy._graceful_terminate` and calling the shared
`arcade_core.subprocess_utils.graceful_terminate_process` directly, with
corresponding test updates.
>
> Improves `arcade new` scaffolding guidance by printing numbered “Next
steps” with explicit stdio/HTTP run options, and adds/updates CLI tests
to assert this output. Also bumps package version to `1.11.2` and
tightens pre-commit `ruff` excludes (no longer excluding `_scratch`).
>
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Resolves TOO-201
Documentation PR for this is here:
https://github.com/ArcadeAI/docs/pull/626
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Medium Risk**
> Changes how environment variables/secrets are discovered and loaded,
which can subtly alter runtime behavior depending on directory structure
and existing env vars; bounded traversal and added tests reduce but
don’t eliminate this risk.
>
> **Overview**
> **Improves `.env` discovery across the MCP server and CLI.** Adds
`find_env_file()` (bounded by the nearest `pyproject.toml` by default)
and switches settings loading, `arcade deploy`, `arcade configure` stdio
env injection, and provider API-key resolution to use it.
>
> Updates dev reload to also watch the discovered `.env` even when it
lives outside the current working directory, adjusts `deploy --secrets
all` to only run when a `.env` was found, and moves the minimal
scaffold’s `.env.example` to the project root with updated
tests/integration checks. Version bumps align examples and top-level
deps with `arcade-mcp-server` `1.17.4` and `arcade-mcp` `1.11.2`.
>
> <sup>Written by [Cursor
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<!-- /CURSOR_SUMMARY -->
---------
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
<!-- CURSOR_SUMMARY -->
> [!NOTE]
> **Medium Risk**
> Touches multiple toolkits’ runtime entrypoints and context/error/auth
plumbing, so breakage risk is mainly around invocation/packaging and
tool execution wiring rather than business logic.
>
> **Overview**
> Migrates the BrightData, ClickHouse, LinkedIn, Math, MongoDB,
Postgres, and Zendesk OSS toolkits from `arcade-tdk` to
`arcade-mcp-server` APIs by updating tool decorators, `Context` types,
auth classes, and exception imports.
>
> Adds per-toolkit `__main__.py` files that construct an `MCPApp`,
register module tools, and run via configurable transport/host/port;
corresponding `pyproject.toml` updates bump versions, drop
`arcade-tdk`/`arcade-serve` deps, and add `project.scripts` console
entrypoints.
>
> Updates tests and eval suites to use `arcade_mcp_server.Context`
(mocked) and switches eval `ToolCatalog` imports to `arcade_core`.
>
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When `python -m arcade_mcp_server` was executed, we would get the
following Runtime Warning:
```
<frozen runpy>:128: RuntimeWarning: 'arcade_mcp_server.__main__' found in sys.modules after import of package 'arcade_mcp_server', but prior to execution of 'arcade_mcp_server.__main__'; this may result in unpredictable behaviour
```
This PR resolves this. This PR is mainly just moving existing functions
to new locations; a refactor
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Low Risk**
> Primarily a module-organization refactor with minimal behavior change;
main risk is import-path regressions for internal callers and stdio/CLI
startup wiring.
>
> **Overview**
> Fixes the `python -m arcade_mcp_server` runtime warning by refactoring
`arcade_mcp_server.__main__` to be a thin CLI entrypoint and moving its
reusable logic into import-safe modules.
>
> Extracts stdio execution and tool discovery into a new
`arcade_mcp_server.stdio_runner` (`initialize_tool_catalog`,
`run_stdio_server`) and moves `setup_logging` into `logging_utils`,
updating `MCPApp`, the FastAPI `worker`, and tests to import from the
new locations. Bumps package version to `1.17.3`.
>
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<!-- CURSOR_SUMMARY -->
> [!NOTE]
> **Medium Risk**
> Tightens validation on tool metadata, which may break existing tools
that relied on non-JSON-serializable `extras` values or keys; changes
are localized and well-covered by tests.
>
> **Overview**
> Adds **JSON-safety enforcement** for `ToolMetadata.extras`: top-level
keys must be strings at model construction, and `validate_for_tool()`
now recursively rejects non-JSON-native values (including non-finite
floats) with path-rich `ToolDefinitionError` messages.
>
> Expands tests to cover valid/invalid nested `extras` cases and
error-message quality, and bumps `arcade-core` version to `4.5.0`.
>
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Resolves TOO-388
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Low Risk**
> Primarily metadata/dependency additions with no changes to core tool
execution paths; risk is limited to potential packaging/import issues
from the new `arcade-mcp-server` dependency.
>
> **Overview**
> Adds `ToolMetadata` to tool decorators across the Bright Data,
ClickHouse, MongoDB, Postgres, LinkedIn, Zendesk, and Math toolkits,
specifying *behavior* (read-only/idempotency/destructive/open-world)
and, where applicable, *service domain* classification.
>
> Updates each toolkit package to depend on `arcade-mcp-server` (plus
local `uv` source wiring) and bumps toolkit versions accordingly; minor
`__all__` ordering tweaks in Math/Zendesk are included.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
3bde3a061194e1d1b6a4e8a2ebd608b17984db4f. This will update automatically
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<!-- /CURSOR_SUMMARY -->
<!-- CURSOR_SUMMARY -->
> [!NOTE]
> **Medium Risk**
> Touches authentication/login flow, credentials-file permissions, and
subprocess lifecycle behavior across platforms; while mostly defensive,
regressions could impact login or process management on Windows/macOS
runners.
>
> **Overview**
> Improves Windows/cross-platform reliability across the CLI and MCP
server: OAuth login now binds the callback server to `127.0.0.1`, avoids
slow loopback reverse-DNS, adds a configurable callback timeout
(`--timeout` + env default), and opens URLs via a Windows-friendly
`_open_browser` to avoid flashing console windows.
>
> Centralizes CLI output via a shared `console` that forces UTF-8 on
Windows, standardizes UTF-8 file reads/writes throughout, tightens
credentials-file permissions on Windows using `icacls`, and adds shared
Windows subprocess helpers for **no-window** process creation and
graceful termination (used by `deploy`, MCP reload, and usage-tracking
worker).
>
> Updates client configuration UX/robustness (Windows AppData resolution
via `platformdirs`, Cursor config path fallbacks + compatibility writes,
overwrite warnings, absolute `uv` path for GUI clients, safer path
display) and improves `deploy` child-process handling to avoid
pipe-buffer deadlocks while giving better debug-aware error messages.
>
> Expands CI to run tests on Linux/Windows/macOS, adds a no-auth CLI
integration workflow, disables usage tracking in toolkits CI, and adds
extensive regression tests for Windows signals, subprocess cleanup,
UTF-8, and config-path edge cases; bumps `arcade-core` to `4.4.2` and
`arcade-mcp-server` to `1.17.2` (with updated dependency pin).
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
0fabd8ca1cd647039ba6ddbdf3f7809c330bab9e. This will update automatically
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<!-- /CURSOR_SUMMARY -->
<!-- CURSOR_SUMMARY -->
> [!NOTE]
> **Low Risk**
> Pure deletion of an already-deprecated contrib package; risk is
limited to any external or internal consumers still depending on it.
>
> **Overview**
> Removes the deprecated `contrib/crewai` integration package from the
repository.
>
> This deletes the associated packaging/config files (`pyproject.toml`,
`Makefile`), license/readme, and the `crewai_arcade` module that only
emitted a deprecation warning.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
10737eab971e568e8159e1303cfc1085935aa02f. This will update automatically
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<!-- /CURSOR_SUMMARY -->
<!-- CURSOR_SUMMARY -->
> [!NOTE]
> **Low Risk**
> Small metadata/build tooling change limited to a deprecated contrib
package; no runtime or security-sensitive logic is modified.
>
> **Overview**
> Marks the `crewai-arcade` contrib package as updated by bumping its
`pyproject.toml` version from `2.0.0` to `2.0.1` (with deprecation
messaging already in the project description).
>
> Adds a minimal `Makefile` with an `install` target that runs `uv sync`
to simplify setting up the package’s environment.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
85d7c42ca2fee85f677194e32ddbc2474b507e78. This will update automatically
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<!-- /CURSOR_SUMMARY -->
## Summary
- Adds `CLAUDE.md` with project overview, common commands, library
dependency graph, versioning rules, key code patterns, project layout,
and code quality notes
- Documents that `uv` must always be used (never bare `pip`/`python`)
- Documents that all changes must have tests
🤖 Generated with [Claude Code](https://claude.com/claude-code)
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Low Risk**
> Documentation-only change with no runtime or build behavior
modifications.
>
> **Overview**
> Adds a new `CLAUDE.md` developer guidance document for Claude Code,
summarizing repo purpose, common `make`/`uv` commands, library
dependency relationships, and an example `MCPApp` tool pattern.
>
> Also documents contribution expectations (tests/TDD), versioning bump
rules, project layout, and code-quality tooling/CI conventions.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
cf0f2fc56f418882e8eeac8f7c0127b0673cef52. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->
---------
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Eric Gustin <34000337+EricGustin@users.noreply.github.com>
## Summary
- Removes the `Hint` column from `arcade secret list` table output —
secret hints were removed from the API in
[monorepo#322](https://github.com/ArcadeAI/monorepo/pull/322), causing a
`KeyError: 'hint'` crash
- Adds a test for `print_secret_table` with populated secrets (verifying
no hint column)
- Bumps version from 1.10.0 → 1.11.0
Closes TOO-444
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Add Attio to the wellknown OAuth2 provider classes so toolkits can use
Attio(scopes=[...]) instead of OAuth2(id=..., scopes=[...]).
---------
Co-authored-by: Eric Gustin <eric@arcade.dev>
@EricGustin you can use this cli command:
```
uv run arcade evals mcp_building_evals_results/eval_toolkit_iteration_dict.py \
-p openai:gpt-4o,gpt-4o-mini \
-p anthropic:claude-sonnet-4-20250514 \
-k openai:$OPENAI_API_KEY \
-k anthropic:$ANTHROPIC_API_KEY \
-d \
--num-runs 3 \
--seed random \
--multi-run-pass-rule majority \
--max-concurrent 6 \
-o mcp_building_evals_results/results
```
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Medium Risk**
> Touches core eval execution and all result formatters while adding new
CLI inputs and output schema (`run_stats`/`critic_stats` and capture
`runs`), so regressions could affect evaluation results and report
compatibility despite being additive and validated.
>
> **Overview**
> Adds **multi-run evaluation support** to `arcade evals` via new flags
`--num-runs`, `--seed`, and `--multi-run-pass-rule`, with upfront
validation and plumbing through the CLI runner into eval/capture suite
execution.
>
> Fixes provider selection UX/bug by making `--use-provider/-p`
**repeatable** (instead of a space-delimited string), updates
docs/examples accordingly, and extends capture mode to optionally record
**per-run tool calls** (`CapturedRun`) when `num_runs > 1`.
>
> Enhances all output formatters (HTML/Markdown/Text/JSON) to
**propagate and display** per-case `run_stats` and `critic_stats`,
including new HTML UI for run tabs/cards and comparative tables showing
mean ± stddev when multi-run data is present.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
2ee1654b7d1fbb9538373507355636164b16a066. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->
`[tool.uv]`'s `dev-dependencies` is deprecated. I got tired of seeing
the warning.
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Low Risk**
> Low risk build/CI tooling change, but it may affect environment setup
if `uv sync` extra resolution differs from the old `--dev` behavior.
>
> **Overview**
> Removes the deprecated `dev-dependencies` config and instead defines
development requirements as a `dev` optional-dependency extra in
`pyproject.toml`.
>
> Updates local/CI install paths (Makefile, composite action, and
install-test workflow) to install dev requirements via `uv sync --extra
all --extra dev` rather than `uv sync --dev`.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
472ab6e5e498b69d88ac8f08ba8414e901272f26. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->
<!-- BUGBOT_STATUS --><sup><a
href="https://cursor.com/dashboard?tab=bugbot">Cursor Bugbot</a> found 1
potential issue for commit <u>472ab6e</u></sup><!-- /BUGBOT_STATUS -->
<!-- CURSOR_SUMMARY -->
> [!NOTE]
> **Low Risk**
> Low risk because this only removes a deprecated `contrib/langchain`
package and related metadata, with no runtime logic changes elsewhere.
>
> **Overview**
> Removes the deprecated `contrib/langchain` subtree entirely, including
its packaging metadata (`pyproject.toml`), module stub
(`langchain_arcade/__init__.py`), and project docs/build files
(`README.md`, `LICENSE`, `Makefile`, `.gitignore`).
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
668861993ff5c6874aaa62cfe7e434d26de2591c. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->
<!-- CURSOR_SUMMARY -->
> [!NOTE]
> **Low Risk**
> Low risk packaging/dev tooling changes only: bumps the
`langchain-arcade` package version and adds a simple `make install`
helper, with no runtime logic changes.
>
> **Overview**
> Updates the deprecated `langchain-arcade` package metadata by bumping
`pyproject.toml` version from `2.0.0` to `2.0.1`.
>
> Adds a minimal `contrib/langchain/Makefile` with an `install` target
that runs `uv sync` to standardize dependency setup.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
823a66e1db9cd406a00ff0c3fe1b89b4f1b9f835. This will update automatically
on new commits. Configure
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<!-- /CURSOR_SUMMARY -->
we actually don't want to deprecate ToolExecutionError
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Low Risk**
> Low risk: behavior change is limited to no longer emitting a
`DeprecationWarning` when `ToolExecutionError` is instantiated, plus a
patch version bump.
>
> **Overview**
> `ToolExecutionError` is no longer treated as deprecated: the
`warnings` import and runtime `DeprecationWarning` emission were
removed, and the class docstring was updated to describe it as the base
exception for errors raised from within a tool body.
>
> Bumps `arcade-core` version from `4.2.2` to `4.2.3`.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
250d20e393a8a4d8dc20fad673a7faea1cba4797. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->
<!-- CURSOR_SUMMARY -->
> [!NOTE]
> **Medium Risk**
> This is mostly a packaging/documentation change, but it is a breaking
change because the integration code and dependencies are removed, so any
consumers importing `ToolManager`/`AsyncToolManager` will fail at
runtime.
>
> **Overview**
> Marks `langchain-arcade` as **deprecated/inactive** and strips it down
to a stub package.
>
> The PR removes the LangChain/LangGraph integration implementation
(`manager.py`, `_utilities.py`), tests, and local dev tooling
(`Makefile`, `tox.ini`), and updates `README.md` to a deprecation notice
pointing users to `docs.arcade.dev`.
>
> `pyproject.toml` is bumped to `2.0.0`, clears dependencies, and
updates metadata/URLs; importing `langchain_arcade` now only emits a
`DeprecationWarning` and exports nothing.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
d3db1346f6399af90dcc516ffe3755bf26cb6f87. This will update automatically
on new commits. Configure
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<!-- /CURSOR_SUMMARY -->
Reverts ArcadeAI/arcade-mcp#759
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Medium Risk**
> Adds a new LangChain/LangGraph integration layer that wraps and
executes Arcade tools, including authorization and error/interrupt
handling; bugs here could impact tool execution semantics for adopters.
Changes are mostly additive and scoped to `contrib/langchain`.
>
> **Overview**
> Re-introduces a standalone `contrib/langchain` Python package
(`langchain-arcade`) to expose Arcade tools as LangChain
`StructuredTool`s.
>
> Adds sync/async `ToolManager` implementations plus utilities to
generate Pydantic arg schemas from `ToolDefinition`, optionally rewrite
tool names (underscores vs dots), and handle authorization via LangGraph
`NodeInterrupt` or structured error responses.
>
> Includes packaging/dev scaffolding (`pyproject.toml`, `tox.ini`,
`Makefile`, `.gitignore`, `LICENSE`, `README`) and a comprehensive test
suite covering manager behaviors and auth flows.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
abd23b6d954470cb1e7376158468c0e59cdc7d7a. This will update automatically
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<!-- /CURSOR_SUMMARY -->
When running `arcade_mcp_server` with `workers > 1`, uvicorn spawns
worker subprocesses that directly call `create_arcade_mcp_factory()`
without going through `main()`. Since `setup_logging()` is only called
in `main()`, these subprocesses have no logging configuration, causing:
1. Standard Python logging not intercepted by Loguru
2. DEBUG-level logs from libraries like urllib3 appearing when OTEL is
enabled
3. Inconsistent log formats between main process and workers
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Medium Risk**
> Touches process-wide logging initialization for uvicorn worker
subprocesses, which can affect log levels/handlers and output across the
server. Functional impact is limited to observability but could change
verbosity when OTEL or libraries emit logs.
>
> **Overview**
> Fixes multi-worker/reload mode logging by configuring Loguru inside
`create_arcade_mcp_factory()` (using `ARCADE_MCP_DEBUG` to set `INFO` vs
`DEBUG`) so uvicorn-spawned worker subprocesses get the same
logging/interception as `main()`.
>
> Adds regression tests that assert the factory filters DEBUG logs by
default and enables them when `ARCADE_MCP_DEBUG=true`, and bumps
`arcade-mcp-server` to `1.15.2`.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
0c262eb9716ecbd589f1524842243a7aed80666e. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->
1. Resolves
[TOO-363](https://linear.app/arcadedev/issue/TOO-363/arcade-deploy-fails-when-additional-deps-are-added-to-the-server).
2. Resolves
[TOO-364](https://linear.app/arcadedev/issue/TOO-364/arcade-cores-tool-skip-logic-is-missing-case-for-direct-execution).
3. Resolves
[TOO-358](https://linear.app/arcadedev/issue/TOO-358/missing-evals-error-message-shows-wrong-command).
4. Resolves
[TOO-365](https://linear.app/arcadedev/issue/TOO-365/arcade-evals-unit-tests-are-hanging).
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Medium Risk**
> Medium risk because it changes how `arcade deploy` spawns the server
process and adjusts toolkit discovery skip logic, which can affect
deployments and tool discovery; however, the changes are small and
covered by new unit/integration tests.
>
> **Overview**
> `arcade deploy` now starts the validation server using the project’s
`.venv` interpreter (via `find_python_interpreter`) instead of the CLI’s
own `sys.executable`, preventing missing dependency failures when the
CLI is installed in an isolated env.
>
> `arcade-core`’s `Toolkit.tools_from_directory` skip logic is hardened
to also skip the currently executing entrypoint by module name
(`__main__.__spec__.name`) when file paths don’t match (e.g., bundled
execution). CLI error printing now escapes plain messages to avoid rich
markup issues, and `arcade-evals` lock acquisition accepts an optional
timeout default.
>
> Adds unit tests for the new toolkit skip behavior and an integration
test that boots the MCP server via direct Python invocation to mirror
deployment behavior, and bumps `arcade-core`, `arcade-mcp-server`, and
root dependency versions accordingly.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
e7785634c231c059f2e0bd1bc73a56bd7470a494. This will update automatically
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<!-- /CURSOR_SUMMARY -->
Bumping `langchain-core` to get bugfixes from that project.
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Updates dependency and package version for the LangChain integration.
>
> - Bumps `langchain-core` requirement to `>=0.3.80,<0.4`
> - Increments `langchain-arcade` package version to `1.4.5` in
`pyproject.toml`
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
ede8c67dbe88061f39bfe5466f157b36ae21bb1b. This will update automatically
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[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->
Bumps [authlib](https://github.com/authlib/authlib) from 1.6.5 to 1.6.6.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/authlib/authlib/releases">authlib's
releases</a>.</em></p>
<blockquote>
<h2>v1.6.6</h2>
<h2>What's Changed</h2>
<ul>
<li>fix(ClientAuth): fix incorrect signature when Content-Type is
x-www-form-urlencoded by <a
href="https://github.com/shc261392"><code>@shc261392</code></a> in <a
href="https://redirect.github.com/authlib/authlib/pull/778">authlib/authlib#778</a></li>
<li>Fix: Use <code>expires_in</code> when <code>expires_at</code> is
unparsable by <a
href="https://github.com/bendavis78"><code>@bendavis78</code></a> in <a
href="https://redirect.github.com/authlib/authlib/pull/842">authlib/authlib#842</a></li>
<li><code>get_jwt_config</code> takes a <code>client</code> parameter.
by <a href="https://github.com/azmeuk"><code>@azmeuk</code></a> in <a
href="https://redirect.github.com/authlib/authlib/pull/844">authlib/authlib#844</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/shc261392"><code>@shc261392</code></a>
made their first contribution in <a
href="https://redirect.github.com/authlib/authlib/pull/778">authlib/authlib#778</a></li>
<li><a
href="https://github.com/bendavis78"><code>@bendavis78</code></a> made
their first contribution in <a
href="https://redirect.github.com/authlib/authlib/pull/842">authlib/authlib#842</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/authlib/authlib/compare/v1.6.5...v1.6.6">https://github.com/authlib/authlib/compare/v1.6.5...v1.6.6</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/authlib/authlib/blob/main/docs/changelog.rst">authlib's
changelog</a>.</em></p>
<blockquote>
<h2>Version 1.6.6</h2>
<p><strong>Released on Dec 12, 2025</strong></p>
<ul>
<li><code>get_jwt_config</code> takes a <code>client</code> parameter,
:pr:<code>844</code>.</li>
<li>Fix incorrect signature when <code>Content-Type</code> is
x-www-form-urlencoded for OAuth 1.0 Client, :pr:<code>778</code>.</li>
<li>Use <code>expires_in</code> in <code>OAuth2Token</code> when
<code>expires_at</code> is unparsable, :pr:<code>842</code>.</li>
<li>Always track <code>state</code> in session for OAuth client
integrations.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="bb7a315bef"><code>bb7a315</code></a>
chore: release 1.6.6</li>
<li><a
href="0a423d4638"><code>0a423d4</code></a>
Merge pull request <a
href="https://redirect.github.com/authlib/authlib/issues/844">#844</a>
from azmeuk/806-get-jwt-config-client</li>
<li><a
href="2808378611"><code>2808378</code></a>
Merge commit from fork</li>
<li><a
href="714502a473"><code>714502a</code></a>
feat: get_jwt_config takes a client parameter</li>
<li><a
href="260d04edee"><code>260d04e</code></a>
Fix: Use <code>expires_in</code> when <code>expires_at</code> is
unparsable</li>
<li><a
href="eb37124bbb"><code>eb37124</code></a>
Merge pull request <a
href="https://redirect.github.com/authlib/authlib/issues/778">#778</a>
from shc261392/fix-httpx-oauth1-form-data-incorrect-s...</li>
<li><a
href="0ba9ec4fee"><code>0ba9ec4</code></a>
docs: fix guide on requests self signed certificate</li>
<li><a
href="a2e9943815"><code>a2e9943</code></a>
docs: indicate that <a
href="https://redirect.github.com/authlib/authlib/issues/743">#743</a>
needs a migration</li>
<li><a
href="06015d2065"><code>06015d2</code></a>
test: factorize the token fixture</li>
<li>See full diff in <a
href="https://github.com/authlib/authlib/compare/v1.6.5...v1.6.6">compare
view</a></li>
</ul>
</details>
<br />
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Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.
[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)
---
<details>
<summary>Dependabot commands and options</summary>
<br />
You can trigger Dependabot actions by commenting on this PR:
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You can disable automated security fix PRs for this repo from the
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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
This is the quick fix for placing the dateutil as a required dep instead
of as an 'extra' dep.
This is the second time in one week that a missing dependency has bitten
us. I've created a ticket (TOO-317) to catch this class of bugs in our
CI pipeline.
The 'MCP server started' events would fail to send to posthog if the CLI
was not installed. This PR fixes this by moving PostHog from being a
dependency of the CLI to a dependency of arcade-core.
<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Aligns versions and dependency ranges across the CLI and server
packages; removes an unnecessary dependency.
>
> - Bump `arcade-mcp-server` to `1.14.2` and `arcade-mcp` to `1.8.1`
> - Update `arcade-core` constraint to `>=4.2.1,<5.0.0`; CLI now
requires `arcade-mcp-server>=1.14.2`
> - Remove `posthog` from CLI dependencies
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
69f8bb397737d4c01f57630863762109819dbc4f. This will update automatically
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So even importing `fcntl` causes problems on windows. This PR replaces
fcntl with portalocker. Tests all pass, so I think we are good.
ref:
https://arcade-ai.slack.com/archives/C08K1SJ072S/p1767897850450239?thread_ts=1766186586.406019&cid=C08K1SJ072S
<img width="934" height="501" alt="Screenshot 2026-01-08 at 2 57 46 PM"
src="https://github.com/user-attachments/assets/1375b6b2-116c-44bd-bbe1-2157dd243d29"
/>
Closes ENGTOP-8
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Cross-platform file locking**
>
> - Replace `fcntl` with `portalocker` in
`arcade_core/usage/identity.py` (shared/exclusive locks); switch to
atomic `os.replace()`
> - Add `portalocker` dependency and bump `arcade-core` to `4.2.1`
>
> **Installation/CI**
>
> - New GitHub Actions workflow `test-install.yml` runs install/CLI
checks on macOS, Windows, and Linux for Python 3.10/3.12
> - Add `tests/install/test_install.py` and README to verify install,
`arcade` CLI availability, and `portalocker` locking behavior
>
> <sup>Written by [Cursor
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https://github.com/ArcadeAI/docs/pull/622 moved a lot of files to new
URLs
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Updates references to Arcade docs after site restructure and bumps
package versions.
>
> - Update docs URLs in `README.md`, `SECURITY.md`, contrib READMEs
(CrewAI, LangChain), and CLI template README to new `/en/...` paths
> - Update `documentation_url` in `arcade_mcp_server/server.py` error
message to the new "compare server types" doc
> - Bump versions: `arcade-mcp-server` to `1.14.1` and root `arcade-mcp`
to `1.7.2`
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
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<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Removes the dependabot exclusion so secret-backed toolkit tests run on
any non-fork PR.
>
> - **CI (GitHub Actions)**
> - Update `if` condition in `/.github/workflows/test-toolkits.yml` for
"Test stand-alone toolkits (with secrets)":
> - Remove `github.actor != 'dependabot[bot]'`, leaving only
`!github.event.pull_request.head.repo.fork` to allow tests with secrets
on non-fork PRs (including dependabot).
>
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