trello.com
Trello is a web-based project and task management service built around boards, lists, and cards. It is part of Atlassian and supports extensibility through apps and Power-Ups.
Trello exposes a documented REST API at `https://api.trello.com/1`; no public GraphQL API, MCP server, or official CLI were found.
- Trello REST APIdiscovered
Create or open an app in the Trello apps administration page, then open the app's API Key tab and choose Generate a new API Key. Trello's docs note that API keys are tied to a Trello app/Power-Up; if this is your first visit to the admin portal you may first need to complete the Joint Development Agreement as described in App Admin Portal.
First create a Trello API key in the Trello apps administration page. Then send the user through Trello's token authorization flow at https://trello.com/1/authorize as documented in Authorizing With Trello's REST API. After the user grants access, Trello returns a user token scoped to that API key. The docs also mention an alternative legacy Basic OAuth 1.0 flow, but the 1/authorize token flow is the primary path.
conventions · 0/8 published
- integrations.json✗
/.well-known/integrations.json - llms.txt✗
/llms.txt - API catalog✗
/.well-known/api-catalog - OpenAPI document✗
/api/schema/, /openapi.json, /swagger.json, /api/openapi.json, or /v1/openapi.json - MCP server card✗
/.well-known/mcp/server-card.json - OAuth protected resource✗
/.well-known/oauth-protected-resource - Agent card✗
/.well-known/agent-card.json - Agent skills✗
/.well-known/agent-skills/index.json
Publish these signals → /publishing