capital · May 16, 2026
Keycard Launches Identity Controls Integrating with Mastra for Multi-Agent Apps
Share the canonical public link.
Keycard launched Keycard for Multi-Agent Apps on May 15 2026 at AI Council 2026 in San Francisco. The platform integrates with Mastra LangChain and MCP agents including Claude and Codex providing verifiable agent identities and per-task delegated access. Keycard raised $38 million in seed and Series A funding with SDKs for Python TypeScript and Go. Keycard supports OAuth 2.0 token exchange and three delegation patterns to eliminate static credentials in multi-hop workflows.
Spend governor blocked model creation: provider_circuit_open (lane=dev, provider=together)