Expand description
MCP (Model Context Protocol) agent gateway.
When [mcp] enabled = true, the proxy exposes a native MCP server so AI
agents call structured, policy-gated tools (query, list_tables,
explain) instead of opening raw SQL connections. This is the AI-data-
plane differentiator: every tool call goes through one auditable surface
and a read-only-by-default guardrail, and runs over the proxy’s backend
PG-wire client so it is backend-agnostic (PostgreSQL or HeliosDB-Nano).
Transport: JSON-RPC 2.0 over HTTP POST (the simplest MCP transport; an
SSE/Streamable-HTTP upgrade is a follow-on). Methods implemented:
initialize, notifications/initialized, ping, tools/list,
tools/call.
Structs§
- McpServer
- The MCP gateway server.