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334 commits

Author SHA1 Message Date
Jeremiah Lowin
e5553177d7
 		docs: update all references from 3.0.0b2 to 3.0.0rc1 (#3173) 2026-02-12 16:39:16 -06:00
Jeremiah Lowin
b62ed3408b
 		Support non-serializable values in Context.set_state (#3171) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-02-12 15:06:42 -06:00
Jeremiah Lowin
a307e9c3cc
 		Expose local_provider property, deprecate FastMCP.remove_tool() (#3155) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-02-11 19:37:19 -06:00
Jeremiah Lowin
fe57c3d689
 		Make $ref dereferencing optional via FastMCP(dereference_refs=...) (#3151) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-02-11 13:45:37 -05:00
Jeremiah Lowin
50b23299f8
 		Support async auth checks (#3152) 
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
 2026-02-11 12:48:51 -05:00
Bill Easton
5bab188106
 		Add concurrent tool execution with sequential flag (#3022) 
Co-authored-by: Bill Easton <strawgate@users.noreply.github.com>
Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2026-02-09 20:43:53 -05:00
Jeremiah Lowin
45af482e73
 		Add Azure OBO dependencies, auth token injection, and documentation (#2918) 2026-02-09 20:06:57 -05:00
Jeremiah Lowin
806aa8c579
 		Update docs to reference beta 2 (#3112) 2026-02-07 10:33:12 -05:00
Jeremiah Lowin
931d6f878c
 		Remove require_auth; fix auth docs re: component-level enforcement (#3103) 
🤖 Generated with Claude Code

https://claude.ai/code/session_01WWzwcBfLWnxoN9XNs5Fhxr

Co-authored-by: Claude <noreply@anthropic.com>
 2026-02-06 20:08:50 -05:00
Jeremiah Lowin
ad3b1b9d1b
 		Fix CIMD redirect allowlist bypass and cache revalidation (#3098) 
* Harden CIMD redirect and cache handling

* Preserve CIMD cache policy on 304 revalidation

* Refresh 304 cache expiry from cached lifetime
 2026-02-06 20:08:23 -05:00
Jeremiah Lowin
b8d789c1b4
 		Document token passthrough security in OAuth Proxy docs (#3100) 2026-02-06 18:20:17 -05:00
Jeremiah Lowin
32c6826e13
 		Add note about output_schema incongruity when responses are truncated (#3099) 2026-02-06 18:15:57 -05:00
Diogo Santos
30832ced1c
 		Add ResponseLimitingMiddleware for tool response size control (#3072) 2026-02-06 18:13:26 -05:00
Jeremiah Lowin
880d835ccc
 		Add CIMD (Client ID Metadata Document) support for OAuth (#2871) 2026-02-06 13:44:52 -05:00
Jeremiah Lowin
b076b2154c
 		Add AzureJWTVerifier for Managed Identity token verification (#3058) 2026-02-02 19:59:13 -05:00
Jeremiah Lowin
c1f50e49be
 		Add enabled field to ToolTransformConfig (#2991) 2026-01-22 17:44:38 -05:00
Jeremiah Lowin
884b81a0f8
 		Add dependency injection documentation and DI-style dependencies (#2980) 2026-01-22 09:08:20 -05:00
Jeremiah Lowin
41c56481af
 		Pin httpx < 1.0 and simplify beta install docs (#2975) 2026-01-21 21:08:46 -05:00
Jeremiah Lowin
6dba73b69d
 		Restructure docs: move transforms to dedicated section (#2956) 2026-01-20 00:38:35 -05:00
Jeremiah Lowin
0be4cda159
 		Prepare docs for v3.0 beta release (#2954) 2026-01-20 00:13:18 -05:00
Jeremiah Lowin
c14ef132da
 		Clarify installation for FastMCP 3.0 beta (#2953) 2026-01-19 23:24:47 -05:00
Jeremiah Lowin
3df38584cf
 		Fix broken documentation links (#2952) 2026-01-19 23:17:29 -05:00
Jeremiah Lowin
3af9de197a
 		Restructure documentation for FastMCP 3.0 (#2951) 2026-01-19 21:33:35 -05:00
Jeremiah Lowin
0e4d519c86
 		Rename Enabled transform to Visibility (#2950) 2026-01-19 20:46:58 -05:00
Jeremiah Lowin
ba18a716bf
 		Add client utilities for downloading skills (#2948) 2026-01-19 20:10:39 -05:00
Jeremiah Lowin
16ffc9432f
 		Add Skills Provider for exposing agent skills as MCP resources (#2944) 2026-01-19 18:29:16 -05:00
Jeremiah Lowin
c0ef90e713
 		Add PromptsAsTools transform (#2946) 2026-01-19 18:19:53 -05:00
Jeremiah Lowin
d3327269d7
 		Add ResourcesAsTools transform (#2943) 2026-01-19 17:40:31 -05:00
Jeremiah Lowin
4d2feb0c29
 		Refactor transform list methods to pure function pattern (#2942) 2026-01-19 16:21:35 -05:00
Jeremiah Lowin
d8ab493664
 		Add session-specific visibility control via Context (#2917) 2026-01-18 22:31:06 -05:00
Jeremiah Lowin
2d200a887b
 		Fix custom provider docs to show correct interface (#2920) 2026-01-18 21:37:30 -05:00
Jeremiah Lowin
f603fe094a Remove sync notification infrastructure 
Remove send_notification_sync() method, notification queue, and background flusher task. Component add/remove operations happen outside sessions and no longer need notifications.
 2026-01-18 17:31:11 -05:00
Jeremiah Lowin
19526cad65 Fix meta mutation bug; update docs to reflect mark/override semantics 2026-01-18 15:18:15 -05:00
Jeremiah Lowin
84eb35bcb4 Simplify disable calls to use keys only; fix filtering docs 2026-01-18 15:08:39 -05:00
Jeremiah Lowin
84d7d3b281 Support plural names/keys in enable/disable API 
Change enable() and disable() to accept sets: names, keys, tags.
Use key-based disable for decorator enabled=False to scope exactly.
 2026-01-18 14:58:29 -05:00
Jeremiah Lowin
50ba6ea5a4 Refactor visibility to mark-based enabled system 
Rename Visibility to Enabled, collapse VisibilityRule into the transform,
and move enabled filtering from Provider to Server level so server-level
transforms can override provider-level disables.
 2026-01-18 14:36:33 -05:00
Jeremiah Lowin
17d43d7991 Address review feedback: validation and edge cases 2026-01-17 19:50:33 -05:00
Jeremiah Lowin
96d4b1b606 Add pagination documentation 2026-01-17 19:30:33 -05:00
Jeremiah Lowin
33c371cb37
 		Add version discovery and calling a certain version for components (#2897) 2026-01-17 08:27:39 -05:00
Jeremiah Lowin
53e220a99e
 		Rename _fastmcp metadata namespace to fastmcp and make non-optional (#2895) 2026-01-16 21:35:53 -05:00
Jeremiah Lowin
a6cd764b5f
 		Add component versioning and VersionFilter transform (#2894) 2026-01-16 20:53:18 -05:00
Jeremiah Lowin
c8c84ff911
 		Add session-scoped state persistence (#2873) 2026-01-16 14:11:21 -05:00
Marcus Shu
083999ca14
 		Add client_secret_post authentication to IntrospectionTokenVerifier (#2884) 2026-01-16 13:07:33 -05:00
Chris Guidry
eaf2906916 Adopt OpenTelemetry MCP semantic conventions 
Updates FastMCP's telemetry to align with the new MCP semantic conventions
from open-telemetry/semantic-conventions#2083. This gives us interoperability
with other MCP implementations while keeping fastmcp.* attributes for things
unique to our framework.

Changes:
- Span names now follow `{method} {target}` format (e.g., `tools/call greet`)
- Added `mcp.method.name` and `mcp.resource.uri` attributes
- Renamed `fastmcp.session.id` to standard `mcp.session.id`
- Kept fastmcp.* attributes for server name, component info, provider details

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-15 14:08:15 -05:00
Chris Guidry
07b056b0ab Address CodeRabbit feedback 
- Fix potential None session_id in span attributes
- Add return type annotation to _get_parent_trace_context
- Fix type checker issue with ClientFactoryT await pattern

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-14 09:55:11 -05:00
Chris Guidry
33f952fc48 Address CodeRabbit suggestions 
- Add return type annotation to main() in run_with_tracing.py
- Use spread operator for argv construction
- Add type annotations to docs test example
- Use async httpx client and asyncio.sleep in diagnostics server
- Improve subprocess termination handling with timeout fallback

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-14 09:48:07 -05:00
Chris Guidry
473b0e36ec Address review feedback on telemetry docs 
- Be specific about which operations are traced (tools, prompts, resources, resource templates)
- Remove "(not the SDK)" parenthetical
- Consolidate attribute documentation - remove redundancy in Tracing section
- Delete unnecessary examples/diagnostics/__init__.py

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-14 09:45:41 -05:00
Chris Guidry
88182d2dae Add otel-desktop-viewer to telemetry docs 
Lightweight single-binary alternative to Jaeger for local development.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-14 09:45:41 -05:00
Chris Guidry
5a94c8810a Update telemetry docs for accuracy 
- Lead with opentelemetry-instrument as the default approach
- Move programmatic configuration lower in the page
- Remove unimplemented metrics section
- Fix attribute values (resource_template not template)
- Add auth attributes (enduser.id, enduser.scope)
- Add provider-specific delegation attributes
- Link to OpenTelemetry Python docs

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-14 09:45:41 -05:00
Chris Guidry
046f845ddf Add OpenTelemetry tracing support 
Adds opt-in distributed tracing via OpenTelemetry for observability into
FastMCP server and client operations.

Server spans are created for tool calls, resource reads, and prompt
renders with attributes like component key, component type, provider
type, session ID, and auth context. Client spans wrap outgoing calls
with trace context propagation via W3C headers in request meta.

Components provide their own span attributes through a `get_span_attributes()`
method that subclasses override - this lets LocalProvider, FastMCPProvider,
and ProxyProvider each include relevant context (original names, backend URIs).

To enable: configure an OpenTelemetry SDK with a TracerProvider before
importing fastmcp. Traces export to any OTLP-compatible backend.

Closes ENG-2813

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-14 09:45:41 -05:00