docs: MCP reverse proxy — overview, client setup, deployment notes#24
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Closes #19 (Phase 1 scope; Phase 2 addendum lands with #17): - What-it-does bullet + /mcp request flow in the architecture diagram - API section: Phase 1 diagram, [mcp] config, behavior notes (session pinning/404 semantics, readonly tool naming, audit log format, allowed_owners non-enforcement) - Deployment notes: api.githubcopilot.com egress, single-replica session cache, network-trust boundary, self-hosted github-mcp-server fallback - Client setup: Kiro CLI / JSON mcp config, Claude Code, curl probe; Phase 2 X-Ghpool-Key preview
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Summary
Closes #19 (Phase 1 scope). Documents the MCP reverse proxy shipped in #20/#21/#23 — the README previously didn't mention
/mcpat all.Changes (README only)
/mcpadded to the request-flow diagram[mcp]config reference, behavior notes verified in e2e: session pinning + 404 re-init semantics, readonly tool naming (issue_readvsget_issue), audit log format,allowed_ownersnon-enforcementapi.githubcopilot.comegress, single-replica session cache constraint, network-trust boundary warning, self-hostedgithub-mcp-serverfallbackX-Ghpool-Keypreview (MCP proxy Phase 2 gate: agent authn + default-deny policy + GitHub App backend + writes #17)Deferred to #17 (per the issue's task list)
Phase 2 addendum: API key delivery, rotation,
[[mcp.agents]]policy examples,ghp mcpshim.config.example.toml's[mcp]section already shipped in #20.