# Nous-approved MCP catalog entry. # Presence in this directory = approval. Merged via PR review. manifest_version: 1 name: attio description: CRM records, lists, and notes in Attio. source: https://attio.com/help/apps/other-apps/using-the-attio-mcp-server # Official vendor-hosted remote MCP (URL-only — Hermes never spawns a local # process for this entry). Native OAuth 2.1 + Dynamic Client Registration # (verified live: RFC 9728 protected-resource metadata -> AS metadata with # registration_endpoint); Hermes's MCP client + mcp_oauth_manager handle # discovery, PKCE, token exchange, and refresh. transport: type: http url: https://mcp.attio.com/mcp auth: type: oauth # Excluded: trivial identity probe; query-particle-sql is a plan-gated # generic SQL escape hatch. tools: default_excluded: - whoami - query-particle-sql # Composer-suggestion triggers (desktop brand pills). suggest: keywords: - attio - crm hosts: - attio.com post_install: | On first connection Hermes opens a browser to authorize with Attio (or run `hermes mcp login attio`). Approve access, then restart the session so tools load.