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Transports

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MCP

The API as tools for an agent, over the Model Context Protocol.

The gateway serves POST /mcp (streamable HTTP, stateless): a fixed allowlist of read-only operations as tools, named <backend>_<method> and described by the contract's own comments. The caller is whoever the gateway verified, as on every other surface.

An API key gets no tools on day one; the MCP surface is the operator's. When a product opens tools to keys, this page lists them and the changelog says so.

WebSocket

One socket that carries any call by name, several at once, with the same JSON as REST.

Errors

One envelope on every surface, a fixed set of codes, and what to do with each.