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Author SHA1 Message Date
Jeremiah Lowin
3933b90ceb
 		Merge remote-tracking branch 'origin/main' into codex/defer-legacy-httpx 2026-08-05 11:18:52 -04:00
Jeremiah Lowin
5a95c136e5
 		Remove legacy httpx error handling 2026-08-05 11:17:37 -04:00
nate nowack
8661193411
 		Quote run-claude allowed tools argument (#4741) 
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 2026-08-05 11:15:51 -04:00
Jeremiah Lowin
f6c75a4e27
 		Merge remote-tracking branch 'origin/main' into codex/defer-legacy-httpx 2026-08-05 11:01:33 -04:00
Jeremiah Lowin
e4d8ca648a
 		Avoid loading MCP and CLI stacks during lightweight imports (#4763) 2026-08-05 10:56:13 -04:00
Jeremiah Lowin
5e368c47ad
 		Defer legacy httpx compatibility imports 2026-08-05 10:54:10 -04:00
Jeremiah Lowin
2c2f98691f
 		Docs: mirror v3.4.6 release notes (#4764) 2026-08-05 10:53:15 -04:00
nate nowack
b9b7ea6914
 		Declare run-claude extra allowed tools input (#4740) 
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 2026-08-05 10:39:35 -04:00
Sai Mouli
4f28dceac8
 		Don't cache error results in ResponseCachingMiddleware (#4705) 2026-08-04 17:15:01 -04:00
LHMQ878
db92d44ef5
 		Serve empty list results from the response cache (#4738) 2026-08-04 17:11:42 -04:00
Jeremiah Lowin
886776f5fc
 		Canonicalize response cache arguments (#4753) 
Co-authored-by: LHMQ878 <LHMQ878@users.noreply.github.com>
 2026-08-04 15:25:46 -04:00
Jeremiah Lowin
d267792653
 		docs: clarify external OAuth consent mode (#4746) 2026-08-03 18:02:09 -04:00
nate nowack
a7e9b70919
 		Fix static analysis with latest ty (#4739) 
* Fix upgrade static analysis

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* Preserve concrete transport return types

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* Avoid widening transport return types

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* Model transforming transport return types

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* Exclude standalone screenshot examples from ty

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 2026-08-03 10:53:23 -05:00
Jeremiah Lowin
022547ad8c
 		Preserve string-compatible prompt arguments (#4730) 2026-08-02 14:56:05 -04:00
Jeremiah Lowin
34bdd480c9
 		Improve HTTP server startup performance (#4729) 2026-08-02 14:11:26 -04:00
Shuying
c428a08fea
 		fix: preserve valid servers during CLI discovery (#4714) 
Co-authored-by: Shuying <zsy@u.northwestern.edu>
 2026-08-02 09:42:26 -04:00
Martin Styk
10b158baf3
 		Forward enable_cimd to Auth0, AWS Cognito and OCI providers (#4719) 
Signed-off-by: Martin Styk <mart.styk@gmail.com>
 2026-08-02 09:42:06 -04:00
YAO_001
9034a2eb4b
 		Fix CodeMode tool error propagation (#4704) 
Co-authored-by: nate nowack <thrast36@gmail.com>
 2026-08-02 09:41:36 -04:00
nate nowack
40c3e122e8
 		Write downloaded skill text as UTF-8 (#4715) 2026-08-02 09:33:32 -04:00
Jake Kaplan
bc07264529
 		Fix self-referential connection error causes (#4720) 
🤖 Generated with OpenAI Codex
 2026-07-30 16:23:33 -04:00
Jeremiah Lowin
bcef61d806
 		Route published docs through pull requests (#4713) 2026-07-30 10:18:03 -04:00
Nicholas Brown
0f18a258d4
 		add language dropdown (#4716) 2026-07-30 09:32:58 -04:00
nate nowack
44c0907dda
 		Give parallel Windows CI more timeout headroom (#4680) 
pytest-timeout falls back to its thread method on Windows, which os._exit()s
the process instead of failing the test. A single slow test therefore kills an
xdist worker and fails whichever unrelated test it was running.

Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
 2026-07-29 10:22:17 -05:00
Jeremiah Lowin
07f6eafd99
 		Add comprehensive Codex code review rules (#4710) 2026-07-29 09:51:36 -04:00
Jeremiah Lowin
a22f778dbf
 		Rewrite the FastMCP docs welcome page (#4709) 2026-07-29 09:51:22 -04:00
Jeremiah Lowin
0792ac812c
 		Improve the v4 docs (#4707) 2026-07-29 09:51:13 -04:00
Jeremiah Lowin
7339936980
 		Rewrite the v4 What's New page and document server extensions (#4698) 
* Rewrite the v4 What's New page

Teach the headline features with code instead of asserting them, drop the
major-version throat-clearing and SEP list, and correct the elicitation
claim: ctx.elicit() is unchanged and handshake-only, while sampling and
roots are removed outright.

* Fix broken doc links and stale version references

Repoint five dead links and anchors, refresh v3-era version examples on the
v4 docs, and add the missing FastMCP 3 entry to the installation page's
upgrade section.

* Document server extensions

add_extension() shipped in v4 with no documentation page. Covers the
extension interface, request methods, tool-call interception, lifespan
ownership, and the client half.

* Link the FastMCP TypeScript library

* Address Codex review feedback

Gate the extension interceptor on the client's per-request opt-in rather
than claiming negotiation does it; show the v4 beta pin on the install
page instead of a version a reader cannot get; note that UserSession
requires authentication.
 2026-07-28 20:05:45 -04:00
Jeremiah Lowin
7a77805159
 		Use mcp.types directly instead of aliasing to mcp_types in docs (#4696) 2026-07-28 19:08:44 -04:00
Jeremiah Lowin
baced6281c
 		Always emit a tool title, derived from name when unset (#4694) 
* Always emit a tool title, derived from name when unset

Some MCP clients (e.g. ChatGPT) drop tools with no `title` instead of
falling back to `name` for display as the spec allows. Deriving a
default title in Tool.to_mcp_tool() fixes this for every tool built on
top of it, including the search-transform, code-mode, and session
proxy tools that never set one explicitly.

Fixes #4414

* Derive fallback title from the overridden name, document it

Addresses Codex review on #4694.

* Resolve title precedence from effective overrides

* Normalize mapping annotations before deriving the title
 2026-07-28 17:30:20 -04:00
Jeremiah Lowin
5a98ceb5ca
 		Add v4.0.0b1 changelog and updates entries (#4681) v4.0.0b1 
* Add v4.0.0b1 changelog and updates entries

* Drop meta note from b1 intro; add #4682 under enhancements

* File #4682 under fixes

* Correct the camelCase rename claim: Python model fields, not the wire

* Baseline the b1 changelog on v3.4.5

* Simplify the beta banner
 2026-07-28 17:15:48 -04:00
Jeremiah Lowin
8b76710e66
 		Move to the stable MCP Python SDK 2.0.0 (#4655) 2026-07-28 16:31:49 -04:00
Jeremiah Lowin
81b1e818e5
 		Apply app visibility where no host can (#4692) 2026-07-28 16:12:38 -04:00
Jeremiah Lowin
a8b5da9770
 		Late-bind app tool names so UIs survive composition (#4682) 2026-07-28 10:54:19 -04:00
Jeremiah Lowin
0175bc9235
 		Split the SDK upgrade guides by SDK version (#4684) 2026-07-28 10:47:39 -04:00
Jeremiah Lowin
d6b9daecb1
 		Read CLI-scanned MCP config files as UTF-8 explicitly (#4690) 2026-07-28 08:12:17 -04:00
Jeremiah Lowin
78c61415b5
 		Resolve review threads on fix, reply on decline (#4685) 
* Resolve review threads on fix, reply on decline

* Use a placeholder PR number in the resolve example
 2026-07-27 21:41:02 -04:00
Jeremiah Lowin
90ea26f337
 		Soften the review-comment reply guidance (#4683) 2026-07-27 21:06:12 -04:00
Jeremiah Lowin
f4ae8bb0af
 		Let maintenance releases publish without fastmcp-tasks (#4676) 2026-07-27 16:07:54 -04:00
Jeremiah Lowin
d382943012
 		Note that review comment threads should get an acknowledgement (#4678) 2026-07-27 16:07:39 -04:00
Jeremiah Lowin
7674645761
 		Flatten OpenAPI discriminator subtypes into request bodies (#4677) 
* Flatten OpenAPI discriminator subtypes into request bodies

* Resolve schema-name discriminator mappings and union conflicting variant fields

* Advertise discriminator values for propertyless variants and document the behavior
 2026-07-27 16:06:54 -04:00
Bill Easton
75b9f92504
 		feat: Add telemetry interop mode for FastMCP (#4046) 
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2026-07-27 16:05:29 -04:00
苏紫辰
c3cbe8b9a3
 		Fix OpenAPI allOf reference fields (#4653) 
* Fix OpenAPI allOf reference fields

🤖 Generated with Codex

* Add allOf reference crash regression

🤖 Generated with Codex

* Handle OpenAPI component refs in allOf

🤖 Generated with Codex

---------

Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2026-07-27 15:25:22 -04:00
Jeremiah Lowin
ffea4d6a3e
 		Docs: add v3.4.5 changelog entries to main (#4674) 
* Docs: add v3.4.5 changelog entries

* Condense the 3.4.5 entries to patch-release length
 2026-07-27 15:13:03 -04:00
Eduardo Cruz Guedes
794bfe9567
 		Add valid_scopes parameter to OIDC proxy valid scopes (#4660) 
* Accept valid_scopes on OIDCProxy

* Keep valid_scopes when verify_id_token restores scopes

* Document valid_scopes on the OIDC proxy

---------

Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2026-07-27 15:12:15 -04:00
marvin-context-protocol[bot]
11ee46bf3b
 		chore: Update SDK documentation (#4647) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-07-27 15:03:41 -04:00
Jeremiah Lowin
cc02df94c5
 		Audit v4 docs: fix missing version badges, fill whats-new gaps (#4668) 
* Fix missing/wrong 4.0.0 version badges

* Fill v4 badge and whats-new gaps found in docs audit
 2026-07-27 15:03:18 -04:00
Jeremiah Lowin
ea7fb8cb2e
 		Remove 3.x-era compatibility shims (#4661) 
* Remove 3.x-era compatibility shims

* Require response_type in ctx.elicit()

* Name the utilities path for the two non-re-exported auth helpers

* Point sampling handler migration at its submodule
 2026-07-27 14:59:43 -04:00
Jeremiah Lowin
1550eea886
 		Copy schemas iteratively so deep nesting still compresses (#4671) 
* Copy schemas iteratively so deep nesting still compresses

* Keep $defs when the reference scan hits its depth limit
 2026-07-27 14:58:13 -04:00
Jeremiah Lowin
e4ccf06baf
 		Fix FAQ: sampling/roots/elicitation legacy-mode advice, SessionProvider registration (#4672) 
* Fix FAQ: narrow the legacy-mode recommendation, note SessionProvider registration

* Correct sampling's modern-protocol claim: guard pattern works, just isn't the recommended path
 2026-07-27 14:57:35 -04:00
Jeremiah Lowin
886c85e5f5
 		Cover require_roles in the v4 highlights (#4666) 
* Cover require_roles in whats-new

* Decouple require_roles from the SEP-990 example; require a claim-validating provider
 2026-07-27 14:57:23 -04:00