MCP 2024-11-05 and 2025-03-26 receive structural and selected checks, not a claim of complete MCP semantic conformance. The warning describes a validation limitation rather than an invalid document. Adding a later protocol version does not make checks for the earlier versions complete.
Requirement
Section titled “Requirement”A document applying to MCP 2024-11-05 or 2025-03-26 is reported as receiving structural and selected checks only, not complete MCP semantic conformance.
Details
Section titled “Details”Rule ID: mcpdesc.legacy-protocol.validation-scope
Owner: mcpdesc
Surface: Document · Path: protocolVersions
Kind: mcpdesc-semantic
Requirement level: must
Status: internal · Enforcement: internal
Protocol version applicability
Section titled “Protocol version applicability”2024-11-05 |
2025-03-26 |
2025-06-18 |
2025-11-25 |
2026-07-28 |
|---|---|---|---|---|
| applies | applies | not-applicable | not-applicable | not-applicable |
Required by
Section titled “Required by”- MCP Description 0.9.0, Sections 3.5 and 16.2; Proposal 0024, Section 4.1
- 16. Conformance: req-legacy-validation-scope
- proposal-snapshots/0024-validation-rule-identity-and-provenance.md
-
- Elicitation Declarations: req-elicitation-legacy-incomplete
Examples
Section titled “Examples”Accepted with a warning
Section titled “Accepted with a warning”Source: expected-warning/legacy-result-meta.json · Selected: /protocolVersions
[ "2024-11-05", "2025-03-26"]Rule Source Code
Section titled “Rule Source Code”document.yaml at immutable tag v0.9.0-rc.3.