build1 distinct publisher
x-mcp-header is a wire contract: one bad annotation invalidates the whole MCP tool
The finalized Streamable HTTP transport mirrors tool arguments into Mcp-Param-* headers. A bad suffix, an excluded type, or an unreachable annotation kills the tool definition, so validate before tools/list.
Publishers:dev.to
Reality
- Evidence32
- Adoption18
- Hype gap+14
- Incentives40
- Confidence30