bvandeusenandClaude Opus 5.5
c26b7f248e
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- server.py: `mcp.server.mcpserver.MCPServer`; StrictArgsFastMCP becomes StrictArgsMCPServer, whose call_tool takes and forwards v2's `context` and raises ToolError (the SDK logs anything else as an unexpected crash; the message reaches the caller either way). - stateless_http and transport_security moved from the constructor to `streamable_http_app(...)` in mount_mcp, with their reasons. - Per-request user identity is unchanged: the contextvar set around the ASGI call reaches the handler on both v2 paths (legacy stateless spawns from the request task; the 2026-07-28 modern path opens its task group inside the request). - pyproject: mcp[cli]>=2.2, no ceiling (installs are --locked). uv.lock regenerated with --upgrade-package mcp in the ci-python image: only mcp and its own dependencies moved (106 → 110 packages). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
21 lines
736 B
Python
21 lines
736 B
Python
"""Per-request MCP context.
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The ASGI middleware (mcp/server.py) populates `_user_id_ctx` from
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scope['scribe_user_id'] before dispatching to MCPServer tool handlers.
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Tool functions then call `current_user_id()` to retrieve it.
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Tools must never fall back to a default user — `current_user_id()` raises
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if called outside a properly-authed MCP request.
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"""
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from contextvars import ContextVar
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_user_id_ctx: ContextVar[int | None] = ContextVar("scribe_mcp_user_id", default=None)
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def current_user_id() -> int:
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"""Return the user_id for the in-flight MCP request. Raises if unset."""
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uid = _user_id_ctx.get()
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if uid is None:
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raise RuntimeError("no MCP user context — request was not bearer-authed")
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return uid
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