API discovery and metadata

Discover tools, inspect schemas, and look up API error types. MCP discovery · Error metadata

MCP discovery

List MCP tools and inspect their schemas before invoking them through the MCP interface. Use the MCP playground to explore tools. The older catalog alias is deprecated; use the tool list and tool details.

Endpoint	Methods	Description
`/mcp/tools`	GET	List public MCP tools
`/mcp/tools/{tool_name}`	GET	Get public MCP tool detail
`/mcp/playground`	GET	Open MCP playground
`/mcp/catalog`	GET (deprecated)	List public MCP catalog (deprecated alias)

Read the meaning of a published error type. Use logs or traces to investigate a specific failed request.

Endpoint	Methods	Description
`/errors`	GET	List error types
`/errors/{slug}`	GET	Get error type by slug