From b928f524455238aeb57911ef04a57555657a6e85 Mon Sep 17 00:00:00 2001
From: emmithood <emmithood@gmail.com>
Date: Thu, 12 Feb 2026 11:05:43 -0800
Subject: [PATCH] Add Attio wellknown auth class (#769)

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>
---
 libs/arcade-core/arcade_core/auth.py                     | 9 +++++++++
 libs/arcade-core/pyproject.toml                          | 2 +-
 .../arcade-mcp-server/arcade_mcp_server/auth/__init__.py | 2 ++
 libs/arcade-mcp-server/pyproject.toml                    | 4 ++--
 libs/arcade-tdk/arcade_tdk/auth/__init__.py              | 2 ++
 libs/arcade-tdk/pyproject.toml                           | 4 ++--
 6 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/libs/arcade-core/arcade_core/auth.py b/libs/arcade-core/arcade_core/auth.py
index a6b53dc5..fc0dc1af 100644
--- a/libs/arcade-core/arcade_core/auth.py
+++ b/libs/arcade-core/arcade_core/auth.py
@@ -51,6 +51,15 @@ class Atlassian(OAuth2):
         super().__init__(id=id, scopes=scopes)
 
 
+class Attio(OAuth2):
+    """Marks a tool as requiring Attio authorization."""
+
+    provider_id: str = "attio"
+
+    def __init__(self, *, id: Optional[str] = None, scopes: Optional[list[str]] = None):  # noqa: A002
+        super().__init__(id=id, scopes=scopes)
+
+
 class ClickUp(OAuth2):
     """Marks a tool as requiring ClickUp authorization."""
 
diff --git a/libs/arcade-core/pyproject.toml b/libs/arcade-core/pyproject.toml
index 3227bebd..acb34320 100644
--- a/libs/arcade-core/pyproject.toml
+++ b/libs/arcade-core/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "arcade-core"
-version = "4.2.3"
+version = "4.3.0"
 description = "Arcade Core - Core library for Arcade platform"
 readme = "README.md"
 license = { text = "MIT" }
diff --git a/libs/arcade-mcp-server/arcade_mcp_server/auth/__init__.py b/libs/arcade-mcp-server/arcade_mcp_server/auth/__init__.py
index 19e0de1a..593a3619 100644
--- a/libs/arcade-mcp-server/arcade_mcp_server/auth/__init__.py
+++ b/libs/arcade-mcp-server/arcade_mcp_server/auth/__init__.py
@@ -1,6 +1,7 @@
 from arcade_core.auth import (
     Asana,
     Atlassian,
+    Attio,
     ClickUp,
     Discord,
     Dropbox,
@@ -26,6 +27,7 @@ from arcade_core.auth import (
 __all__ = [
     "Asana",
     "Atlassian",
+    "Attio",
     "ClickUp",
     "Discord",
     "Dropbox",
diff --git a/libs/arcade-mcp-server/pyproject.toml b/libs/arcade-mcp-server/pyproject.toml
index a06edb20..eb8bdd1a 100644
--- a/libs/arcade-mcp-server/pyproject.toml
+++ b/libs/arcade-mcp-server/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "arcade-mcp-server"
-version = "1.15.2"
+version = "1.16.0"
 description = "Model Context Protocol (MCP) server framework for Arcade.dev"
 readme = "README.md"
 authors = [{ name = "Arcade.dev" }]
@@ -21,7 +21,7 @@ classifiers = [
 ]
 requires-python = ">=3.10"
 dependencies = [
-    "arcade-core>=4.2.2,<5.0.0",
+    "arcade-core>=4.3.0,<5.0.0",
     "arcade-serve>=3.2.0,<4.0.0",
     "arcade-tdk>=3.4.0,<4.0.0",
     "arcadepy>=1.5.0",
diff --git a/libs/arcade-tdk/arcade_tdk/auth/__init__.py b/libs/arcade-tdk/arcade_tdk/auth/__init__.py
index 7432659f..17a86114 100644
--- a/libs/arcade-tdk/arcade_tdk/auth/__init__.py
+++ b/libs/arcade-tdk/arcade_tdk/auth/__init__.py
@@ -1,6 +1,7 @@
 from arcade_core.auth import (
     Asana,
     Atlassian,
+    Attio,
     ClickUp,
     Discord,
     Dropbox,
@@ -26,6 +27,7 @@ from arcade_core.auth import (
 __all__ = [
     "Asana",
     "Atlassian",
+    "Attio",
     "ClickUp",
     "Discord",
     "Dropbox",
diff --git a/libs/arcade-tdk/pyproject.toml b/libs/arcade-tdk/pyproject.toml
index 5dd55831..16eb7299 100644
--- a/libs/arcade-tdk/pyproject.toml
+++ b/libs/arcade-tdk/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "arcade-tdk"
-version = "3.4.0"
+version = "3.5.0"
 description = "Arcade TDK - Toolkit Development Kit for building Arcade tools"
 readme = "README.md"
 license = { text = "MIT" }
@@ -16,7 +16,7 @@ classifiers = [
     "Programming Language :: Python :: 3.13",
 ]
 requires-python = ">=3.10"
-dependencies = ["arcade-core>=4.1.0,<5.0.0", "pydantic>=2.7.0"]
+dependencies = ["arcade-core>=4.3.0,<5.0.0", "pydantic>=2.7.0"]
 
 [project.optional-dependencies]
 dev = [