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fix(server): trim OWS from standard MCP headers (#2453)

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Matt 2026-07-07 14:22:45 +01:00 • committed by GitHub
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---
'@modelcontextprotocol/server': patch
'@modelcontextprotocol/core-internal': patch
---
Strip RFC 9110 optional whitespace around inbound `MCP-Protocol-Version`, `Mcp-Method`, and `Mcp-Name` values before classifying and validating modern HTTP requests. This keeps valid requests portable across Fetch runtimes that expose raw leading or trailing SP/HTAB through `Headers.get()`.