- [### Client libraries and ADK
  Get started with Agent Registry using client libraries or the
  Agent Development Kit (ADK).](https://docs.cloud.google.com/agent-registry/reference/libraries)
- [### Google Cloud CLI command reference
  Perform operations using the gcloud CLI.](https://docs.cloud.google.com/sdk/gcloud/reference/agent-registry)
- [### JSON schemas
  Review the JSON schema structures required for Agent Cards and MCP tool
  specifications.](https://docs.cloud.google.com/agent-registry/json-schemas)
- [### MCP reference
  Learn about the MCP server that exposes the Agent Registry API.](https://docs.cloud.google.com/agent-registry/reference/mcp)
- [### REST API
  Get started with Agent Registry using the REST API.](https://docs.cloud.google.com/agent-registry/reference/rest)
- [### RPC API
  Get started with Agent Registry using the RPC API.](https://docs.cloud.google.com/agent-registry/reference/rpc)