grantd-mcpSecurityAutonomous AgentsDeveloper ToolsrafavecchiAlicense-Not gradedqualityDmaintenanceOAuth token broker for AI agents to securely act on a user's behalf across third-party APIs (Gmail, Slack, GitHub, Notion, etc.) by vaulting tokens server-side and never exposing them to the LLM. Updated 3 months ago (2026-06-09 21:46 UTC)1MIT