docs: SEP-2243 clarifications for x-mcp-header#2772

Merged

pja-ant merged 11 commits into

modelcontextprotocol:mainfrom

mikekistler:mdk/sep-2243-clarifications

May 29, 2026

Commits on May 21, 2026

docs: clarify x-mcp-header RFC 9110 token rule

Mike Kistler
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committed
docs: require Base64-encoding values matching the sentinel pattern

Mike Kistler
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committed
docs: clarify x-mcp-header applies to nested properties

Mike Kistler
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committed

Commits on May 22, 2026

docs: scope x-mcp-header rejection to Streamable HTTP transport

Mike Kistler
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committed
docs: add implementation note on numeric comparison for header validation

Mike Kistler
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committed
docs: add note on stale/missing schema retry for custom headers

Mike Kistler
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docs: clarify base64 sentinel markers are case-sensitive

Mike Kistler
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docs: add version-gating note for intermediary policy enforcement

Mike Kistler
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Commits on May 24, 2026

docs: add transport scoping to rejection paragraph in transports.mdx

Mike Kistler
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committed

Commits on May 28, 2026

docs: restrict x-mcp-header numeric params to integer type within safe JS range

Mike Kistler
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committed

Commits on May 29, 2026

Address PR review comments.
Mike Kistler
authored