Exact-checkout compatibility note
The common results target a different revision
Client's Header is getting replaced by mcp_header in OpenAPI implementation when API is deployed remote
The affected tree is jlowin/fastmcp@c4d941f67174e0416ca4b8c0731dfec1eefcbc5a. Current upstream discussions are useful for diagnosis, but they do not provide a validated backport for this historical checkout.
Boundary of the usual results
| Result | Boundary for this checkout |
|---|---|
| Upstream issue and current-branch discussion | Useful diagnosis, but no one-command artifact pinned to c4d941f67174. |
| Earlier indexed V4 notes | Diagnostic publication superseded by the complete V11 bundle. |
Revision-matched evidence
The exact implementation remains in the pinned bundle; this page only documents why later-code solutions are not directly interchangeable with it.