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MCP server at POST /mcp (official SDK, stateless Streamable HTTP) (#11)
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This commit was merged in pull request #11.
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kamilkrzywda
2026-09-24 20:39:45 +02:00
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CHANGELOG.md
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# Changelog
## v0.6.0 — 2026-09-24 18:28
- New MCP (Model Context Protocol) server endpoint at `POST /mcp` (outside the `/api` prefix, like Scalar at `/`), served in-process via the official `@modelcontextprotocol/sdk` Streamable HTTP transport in stateless mode (`sessionIdGenerator: undefined`; a fresh `McpServer` + transport per request). Six tools map 1:1 to existing `MeshService` methods with no new logic: `mesh_status`, `send_message(text, to?)` (same target resolution as `POST /api/send` — omitted/""/"!b"/"broadcast" → broadcast, numbers pass through, names via the node DB; resolution errors surface as tool errors with the same messages), `list_channels`, `list_nodes`, `get_node(id)` (tool error when missing/ambiguous), and `get_messages`. Tool results are JSON in a text content block.
- New dependency: `@modelcontextprotocol/sdk` (^1.30.1; zod comes with it). Note: the SDK's root entry is broken in all published 1.x tarballs (upstream issue #2273 — the exports map points to a dist index that was never shipped), so imports use the documented subpaths (`@modelcontextprotocol/sdk/server/mcp.js`, `.../server/streamableHttp.js`, `.../inMemory.js`, `.../client/index.js`).
- Test helpers shared by both specs extracted from `mesh.service.spec.ts` into `src/mesh/fake-bridge.ts` (fake bridge, waitFor, nodeInfoFrame, KAMIL fixtures); new `mcp.controller.spec.ts` drives the MCP server over an in-memory transport pair — all six tools listed with descriptions/schemas, and mesh_status / send_message (broadcast + name resolution + error messages) / get_node / list_channels / list_nodes / get_messages return correct shapes.
- README gains an MCP section; AGENTS.md endpoint list updated for `/mcp`.
## v0.5.0 — 2026-09-24 17:37
- Publishing channel moved from `testowy` (index 2) to the new `test` channel (index 3); `MESH_SEND_CHANNEL` default is now `3`. All docs/comments referencing the old pinning updated accordingly.