{ "name": "SendEphemeralMessageSlack", "fully_qualified_name": "SlackApi.SendEphemeralMessageSlack@0.1.0", "description": "Send an ephemeral message to a user in a Slack channel.\n\nThis tool sends an ephemeral message to a user within a specified Slack channel. It's useful for sending temporary messages or notifications that only the specified user can see. Requires the 'chat:write' scope.", "toolkit": { "name": "ArcadeSlackApi", "description": null, "version": "0.1.0" }, "input": { "parameters": [ { "name": "target_channel", "required": true, "description": "The channel, private group, or IM channel where the ephemeral message will be sent. Accepts an encoded ID or the channel's name.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "inferrable": true, "http_endpoint_parameter_name": "channel" }, { "name": "recipient_user_id", "required": true, "description": "The ID of the user who will receive the ephemeral message. Must be in the specified channel.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "inferrable": true, "http_endpoint_parameter_name": "user" }, { "name": "structured_attachments", "required": false, "description": "A JSON-encoded array of structured attachments for the message. Presented as a URL-encoded string.", "value_schema": { "val_type": "array", "inner_val_type": "string", "enum": null, "properties": null, "inner_properties": null, "description": null }, "inferrable": true, "http_endpoint_parameter_name": "attachments" }, { "name": "structured_blocks", "required": false, "description": "A URL-encoded JSON array of structured Slack block elements. Use for rich message formatting.", "value_schema": { "val_type": "array", "inner_val_type": "string", "enum": null, "properties": null, "inner_properties": null, "description": null }, "inferrable": true, "http_endpoint_parameter_name": "blocks" }, { "name": "message_icon_emoji", "required": false, "description": "Emoji to display as the message icon, overriding icon_url. Specify using the emoji name like :smile:.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "inferrable": true, "http_endpoint_parameter_name": "icon_emoji" }, { "name": "message_icon_url", "required": false, "description": "URL for the image to be used as the icon for the message. It overrides the icon_emoji if provided.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "inferrable": true, "http_endpoint_parameter_name": "icon_url" }, { "name": "message_markdown_text", "required": false, "description": "The main text formatted in markdown to be sent as an ephemeral message. Do not use with `blocks` or `text`. Character limit: 12,000.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "inferrable": true, "http_endpoint_parameter_name": "markdown_text" }, { "name": "message_parse_mode", "required": false, "description": "Specifies how the message text is interpreted. Options are: 'none', 'full', 'mrkdwn', or 'false'. Defaults to 'none'. (default: 'none')", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "inferrable": true, "http_endpoint_parameter_name": "parse" }, { "name": "ephemeral_message_text", "required": false, "description": "The main text of the ephemeral message for Slack. It acts as a fallback when using blocks; can be formatted as plain text or markdown. Limit to a few thousand bytes.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "inferrable": true, "http_endpoint_parameter_name": "text" }, { "name": "parent_message_timestamp", "required": false, "description": "The timestamp of the parent message to post this ephemeral message in its thread. Ensure there is already an active thread.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "inferrable": true, "http_endpoint_parameter_name": "thread_ts" }, { "name": "bot_username", "required": false, "description": "The username for the bot sending the ephemeral message. This sets the display name in the Slack message.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "inferrable": true, "http_endpoint_parameter_name": "username" }, { "name": "link_names_auto_link", "required": false, "description": "Set to true to automatically find and link channel names and usernames.", "value_schema": { "val_type": "boolean", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "inferrable": true, "http_endpoint_parameter_name": "link_names" } ] }, "output": { "description": "Response from the API endpoint 'chat.postEphemeral'.", "available_modes": [ "value", "error", "null" ], "value_schema": { "val_type": "json", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null } }, "requirements": { "authorization": { "provider_id": "arcade-slack", "provider_type": "oauth2", "id": null, "oauth2": { "scopes": [ "chat:write" ] } }, "secrets": null, "metadata": null }, "deprecation_message": null, "metadata": { "object_type": "api_wrapper_tool", "version": "1.0.0", "description": "Arcade Wrapper Tools enabling LLMs to interact with low-level Slack API endpoints." }, "http_endpoint": { "metadata": { "object_type": "http_endpoint", "version": "1.0.0", "description": "" }, "url": "https://slack.com/api/chat.postEphemeral", "http_method": "POST", "headers": { "Content-Type": "application/x-www-form-urlencoded" }, "parameters": [ { "name": "channel", "tool_parameter_name": "target_channel", "description": "Channel, private group, or IM channel to send message to. Can be an encoded ID, or a name.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "accepted_as": "body", "required": true, "deprecated": false, "documentation_urls": [] }, { "name": "user", "tool_parameter_name": "recipient_user_id", "description": "ID of the user who will receive the ephemeral message. The user should be in the channel specified by the `channel` argument.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "accepted_as": "body", "required": true, "deprecated": false, "documentation_urls": [] }, { "name": "attachments", "tool_parameter_name": "structured_attachments", "description": "A JSON-based array of structured attachments, presented as a URL-encoded string.", "value_schema": { "val_type": "array", "inner_val_type": "string", "enum": null, "properties": null, "inner_properties": null, "description": null }, "accepted_as": "body", "required": false, "deprecated": false, "documentation_urls": [] }, { "name": "blocks", "tool_parameter_name": "structured_blocks", "description": "A JSON-based array of structured blocks, presented as a URL-encoded string.", "value_schema": { "val_type": "array", "inner_val_type": "string", "enum": null, "properties": null, "inner_properties": null, "description": null }, "accepted_as": "body", "required": false, "deprecated": false, "documentation_urls": [] }, { "name": "icon_emoji", "tool_parameter_name": "message_icon_emoji", "description": "Emoji to use as the icon for this message. Overrides `icon_url`.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "accepted_as": "body", "required": false, "deprecated": false, "documentation_urls": [] }, { "name": "icon_url", "tool_parameter_name": "message_icon_url", "description": "URL to an image to use as the icon for this message.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "accepted_as": "body", "required": false, "deprecated": false, "documentation_urls": [] }, { "name": "link_names", "tool_parameter_name": "link_names_auto_link", "description": "Find and link channel names and usernames.", "value_schema": { "val_type": "boolean", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "accepted_as": "body", "required": false, "deprecated": false, "documentation_urls": [] }, { "name": "markdown_text", "tool_parameter_name": "message_markdown_text", "description": "Accepts message text formatted in markdown. This argument should not be used in conjunction with `blocks` or `text`. Limit this field to 12,000 characters.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "accepted_as": "body", "required": false, "deprecated": false, "documentation_urls": [] }, { "name": "parse", "tool_parameter_name": "message_parse_mode", "description": "Change how messages are treated. Defaults to `none`.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "accepted_as": "body", "required": false, "deprecated": false, "documentation_urls": [] }, { "name": "text", "tool_parameter_name": "ephemeral_message_text", "description": "How this field works and whether it is required depends on other fields you use in your API call. If you're using `blocks`, this is used as a fallback string to display in notifications. If you aren't, this is the main body text of the message. It can be formatted as plain text, or with `mrkdwn`.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "accepted_as": "body", "required": false, "deprecated": false, "documentation_urls": [] }, { "name": "thread_ts", "tool_parameter_name": "parent_message_timestamp", "description": "Provide another message's `ts` value to post this message in a thread. Avoid using a reply's `ts` value; use its parent's value instead. Ephemeral messages in threads are only shown if there is already an active thread.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "accepted_as": "body", "required": false, "deprecated": false, "documentation_urls": [] }, { "name": "username", "tool_parameter_name": "bot_username", "description": "Set your bot's user name.", "value_schema": { "val_type": "string", "inner_val_type": null, "enum": null, "properties": null, "inner_properties": null, "description": null }, "accepted_as": "body", "required": false, "deprecated": false, "documentation_urls": [] } ], "documentation_urls": [ "https://docs.slack.dev/reference/methods/chat.postephemeral" ], "secrets": [ { "arcade_key": "auth_token", "parameter_name": "Authorization", "accepted_as": "header", "formatted_value": "Bearer {authorization}", "description": "The OAuth token to use for authentication.", "is_auth_token": true } ] } }