feat(serve): stdio runner so a capability can be packaged and launched#3
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Add py2mcp.serve (serve_stdio + resolve_server_config/load_server_config) plus
python -m py2mcp and a py2mcp console script, so a packaged integration (e.g. a
Claude Desktop .mcpb bundle) can launch an MCP server over stdio from a
{name, refs} config. coact's new publish axis is the first consumer.
Also source __version__ from installed metadata instead of a hardcoded literal
that had drifted from pyproject. Tests added (config resolution + clean error on
missing config).
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Summary
Adds
py2mcp.serve— a stdio runner so a packaged integration (e.g. a ClaudeDesktop
.mcpbbundle) can launch an MCP server over stdio from a{name, refs}config. Themk_mcp_*builders return a server object but leaverunning it to the caller; this fills that gap.
What's included
py2mcp/serve.py—serve_stdio+resolve_server_config/load_server_configpython -m py2mcp(__main__.py) + apy2mcpconsole script__version__now sourced from installed metadata (was a hardcoded literal thathad drifted from
pyproject.toml)Why
The first consumer is coact's new publish axis (thorwhalen/coact), which
generates
.mcpbbundles whose server shim runspy2mcp.serveagainst a bundledconfig.