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931 commits

Author SHA1 Message Date
Jeremiah Lowin
bb4894d215
 		Add fastmcp-slim for client-only installs (#4122) 
* Add fastmcp-client workspace package

* Fix client package static checks

* Document client-only package

* Harden fastmcp-client package split

* Preserve forwarded headers in full package

* Switch to fastmcp-slim package

* Fix fastmcp-slim release edges

* Match pydantic-style slim layout

* Polish fastmcp-slim packaging
 2026-05-11 17:13:21 -04:00
marvin-context-protocol[bot]
074189265d
 		chore: Update SDK documentation (#3988) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-05-04 15:34:27 -04:00
Jeremiah Lowin
51e339d8ed
 		docs: fix broken links in Pydantic AI guide (#4094) 2026-05-04 12:35:35 -04:00
Mukunda Rao Katta
f5dea2a17c
 		docs(integrations): add Pydantic AI FastMCP toolset guide (#4070) 
* docs(integrations): add Pydantic AI FastMCP toolset guide

* docs(integrations): add Pydantic AI to AI SDKs nav
 2026-05-04 12:22:17 -04:00
Jeremiah Lowin
d0315974fa
 		Add UTM tracking to Horizon links (#4064) 2026-04-26 08:38:05 -04:00
Jeremiah Lowin
b96ce24e35
 		Refresh landing page copy (#4047) 2026-04-25 22:06:30 -04:00
Jeremiah Lowin
6f3ea0b929
 		Refresh landing page copy (#4043) 2026-04-25 14:46:48 -04:00
Jeremiah Lowin
a010927ea5
 		Add experimental_capabilities kwarg to FastMCP constructor (#4042) 
Co-authored-by: Claude <noreply@anthropic.com>
 2026-04-25 12:24:54 -04:00
Mukunda Rao Katta
c740b6d70a
 		docs: add best practices for custom telemetry spans (#4001) 2026-04-25 11:43:31 -04:00
Bill Easton
4be46c6fa6
 		Add a sandboxed-agents deployment guide (#4027) 
* Add sandboxed agents deployment guide

* Tighten sandboxed agents guide

* Refine sandboxed agents docs flow

---------

Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2026-04-25 11:40:56 -04:00
Adam Azzam
e95efce988
 		Add UTM params to Horizon docs links (#4018) 
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-04-22 16:47:55 -04:00
Jeremiah Lowin
74efa32edf
 		Add run_in_thread opt-out for sync tools with thread affinity (#4010) 
Co-authored-by: Claude <noreply@anthropic.com>
 2026-04-22 10:31:44 -04:00
Carlos Rian
eebdc8c031
 		feat: add AzureB2CProvider for Azure AD B2C user flows (#3995) 2026-04-22 09:24:09 -04:00
marvin-context-protocol[bot]
34f6e68826
 		chore: Update SDK documentation (#3969) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-04-20 13:00:37 -04:00
marvin-context-protocol[bot]
b4c4cfd3d5
 		chore: Update SDK documentation (#3917) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-04-17 18:29:09 -04:00
Jeremiah Lowin
1e67c53a17
 		Reject dot-segments in redirect URI allowlist matching (#3963) 2026-04-17 17:49:25 -04:00
Gnani Rahul
ff8aa484ff
 		docs: standardize ToolAnnotations examples (#3952) 2026-04-17 16:42:57 -04:00
Jeremiah Lowin
e1ea695d68
 		Restructure docs navigation (#3951) 
Co-authored-by: Jeremiah Lowin <jlowin@users.noreply.github.com>
Co-authored-by: Marvin Context Protocol <41898282+Marvin Context Protocol@users.noreply.github.com>
 2026-04-17 16:42:39 -04:00
Jeremiah Lowin
7fb037f20c
 		Harden OAuth Proxy silent consent against AS-in-the-middle (#3960) 2026-04-17 16:39:50 -04:00
Bill Easton
7184a4ca21
 		OTEL: Fix attribute compliance with MCP semantic conventions (#3889) 
* OTEL: Fix attribute compliance and improve telemetry helpers

Attribute compliance:
- Remove rpc.system/service/method (MCP is not traditional RPC)
- Add gen_ai.tool.name on tools/call spans
- Add gen_ai.prompt.name on prompts/get spans
- Fix session_id check (truthy -> is not None)

Telemetry helper improvements:
- Add is_recording() guards to skip work on non-recording spans
- Add error.type attribute with __qualname__ on error spans
- Use isinstance check for ToolError to set "tool_error" error type
- Include exception message in span status description
- Add tool_name/prompt_name params to server_span and client_span

Client call_tool enrichment:
- Reflect tool-level errors (result.isError) on client span status
  so callers see ERROR even though the MCP protocol call succeeded

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: remove resource URI from span names to avoid high-cardinality

Per MCP semantic conventions, resource URIs SHOULD NOT be included in
span names by default since they can be unbounded (especially with
templates like users://{id}/profile). The URI remains available via
the mcp.resource.uri attribute.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: add missing gen_ai/mcp attributes to proxy and delegate spans

- Proxy tool spans: add gen_ai.tool.name
- Proxy prompt spans: add gen_ai.prompt.name
- All delegate spans: add mcp.method.name
- Docs: remove rpc.* references, update span names and attributes table

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Hoist ToolError imports to module level, add rpc.* migration note

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-14 16:28:47 -04:00
Jeremiah Lowin
b732a4a516
 		Overhaul apps docs (#3915) 2026-04-13 21:24:00 -04:00
marvin-context-protocol[bot]
5c2ff1bd7b
 		chore: Update SDK documentation (#3914) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-04-13 21:23:43 -04:00
Jeremiah Lowin
110cd3adcb
 		Add response_title and response_description to ctx.elicit() (#3912) 2026-04-13 20:12:09 -04:00
marvin-context-protocol[bot]
3117846176
 		chore: Update SDK documentation (#3909) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-04-13 20:08:29 -04:00
Jeremiah Lowin
82f310fe61
 		AuthKit: auto-bind token audience to resource URL (RFC 8707) (#3905) 2026-04-13 17:11:17 -04:00
marvin-context-protocol[bot]
c2dafc1c88
 		chore: Update SDK documentation (#3901) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-04-13 14:00:07 -04:00
Stephan Eberle
a6bd66aca8
 		docs: link fastmcp-keycloak-local companion project from Keycloak integration page (#3904) 2026-04-13 13:43:19 -04:00
Adam Azzam
f21e51794c
 		Allow auth providers to override protected resource base URLs (#3900) 
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2026-04-13 13:36:55 -04:00
Stephan Eberle
99bf81c64f
 		Add Keycloak OAuth Provider for Enterprise Authentication and local dev (#1937) 2026-04-13 12:23:10 -04:00
marvin-context-protocol[bot]
e8f2fefb06
 		chore: Update SDK documentation (#3876) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-04-12 21:23:37 -04:00
vincent
673e6bb0f7
 		docs: add uv-managed dependencies and uvx examples to mcp-json configuration (#3843) 
Closes #1707

- Add example for configuring mcp.json with uv-managed projects (pyproject.toml)
- Add examples for running published pip packages via uvx
- Update both main and v2 docs

Co-authored-by: Emily Chen <emilychen.techwriter@gmail.com>
Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2026-04-12 17:09:15 -04:00
Jeremiah Lowin
dfe9b307bd
 		Rename filesystem-provider example dir to avoid mcp/ collision (#3878) 2026-04-12 17:01:58 -04:00
Lars Kiesow
06f58eb617
 		Fix MCP tool on docs welcome page (#3874) 2026-04-12 15:39:09 -04:00
marvin-context-protocol[bot]
56456cb188
 		chore: Update SDK documentation (#3808) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-04-12 13:53:38 -04:00
Jeremiah Lowin
f3c00ba1b7
 		Extract parameter descriptions from docstrings (#3872) 2026-04-12 13:43:48 -04:00
Bill Easton
901453902f
 		Fix broken code examples in docs (#3869) 
* Fix broken code examples in docs

- Tag error output blocks as ```text instead of ```python (anthropic,
  openai integration docs + v2 mirrors)
- Quote unquoted URL in Descope config example (+ v2 mirror)
- Fix GoogleGenAISamplingHandler → GoogleGenaiSamplingHandler casing
  in sampling docs
- Fix import path: handlers.GoogleGenaiSamplingHandler →
  handlers.google_genai.GoogleGenaiSamplingHandler in v3-features

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Fix remaining broken doc examples and add skip tags for false positives

- BearerTokenAuth → StaticTokenVerifier in deployment/http.mdx
- providers.oauth → server.auth import in authentication.mdx
- ListToolsNext → updated list_tools API in v3-features.mdx
- OAuthClientProvider → OAuth in v2/storage-backends.mdx
- Add test="skip" for upgrade guides, contrib placeholders, f-string backticks

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Ratchet doc example baselines to zero

All 1444 examples now pass syntax and import checks.

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Add pytest-examples dev dep, fix client_id in StaticTokenVerifier example, commit missed openapi fixes

- Add pytest-examples to dev dependencies (fixes CI ModuleNotFoundError)
- Include required client_id in StaticTokenVerifier token payload
- Commit previously unstaged HTTPRoute import fixes in openapi.mdx

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Update deprecated import paths across docs

- fastmcp.server.openapi → fastmcp.server.providers.openapi
- fastmcp.server.proxy → fastmcp.server.providers.proxy
- fastmcp.server.apps → fastmcp.apps
- Tag upgrade guide "Before" examples with test="skip"

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-12 12:53:04 -04:00
Jeremiah Lowin
0194c6e8ea
 		Document session state isolation across mount boundaries (#3801) 2026-04-09 16:15:57 -04:00
marvin-context-protocol[bot]
a3c5cc12d3
 		chore: Update SDK documentation (#3757) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-04-07 19:49:20 -04:00
Jeremiah Lowin
f14456d63a
 		docs: document forward_resource parameter on OAuthProxy (#3788) 2026-04-07 19:42:10 -04:00
buyua9
3cb5579253
 		fix(docs): correct FastMCP tool name in welcome docs (#3781) 2026-04-07 14:48:50 -04:00
Jeremiah Lowin
bbccc52b60
 		fix: broken link in changelog (#3775) 2026-04-06 21:16:01 -04:00
Jeremiah Lowin
eac646e744
 		chore: split SDK navigation into standalone $ref file (#3773) 2026-04-06 11:18:14 -04:00
Jeremiah Lowin
e2f72d863c
 		chore: split v2 docs navigation into separate file (#3762) 2026-04-04 21:17:39 -04:00
marvin-context-protocol[bot]
697426b39e
 		chore: Update SDK documentation (#3755) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-04-03 10:44:08 -04:00
Justin Quick (C4ADS)
927a03bee1
 		use result.object otherwise CallToolResult not scriptable (#3753) 2026-04-03 10:17:53 -04:00
Adam Azzam
c3c41b4402
 		[codex] Add FastMCP docs telemetry (#3727) 2026-03-31 19:32:09 -04:00
marvin-context-protocol[bot]
4f7668807a
 		chore: Update SDK documentation (#3712) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-03-31 12:02:59 -04:00
Jeremiah Lowin
6faa2d61f8
 		Remove hardcoded prefab-ui version from pinning warnings (#3708) 2026-03-30 11:09:26 -04:00
marvin-context-protocol[bot]
dd8816c6cc
 		chore: Update SDK documentation (#3701) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-03-30 09:33:47 -04:00
Jeremiah Lowin
d27495960a
 		docs: note that custom routes are unauthenticated (#3706) 2026-03-30 09:32:38 -04:00