dependabot[bot] opened a new pull request, #143: URL: https://github.com/apache/polaris-tools/pull/143
Bumps [fastmcp](https://github.com/jlowin/fastmcp) from 2.13.2 to 2.14.0. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/jlowin/fastmcp/releases";>fastmcp's releases</a>.</em></p> <blockquote> <h2>v2.14.0: Task and You Shall Receive</h2> <p>FastMCP 2.14 begins adopting the MCP 2025-11-25 specification, headlined by protocol-native background tasks that let long-running operations report progress without blocking clients. This release also graduates the OpenAPI parser to standard, adds first-class support for several new spec features, and removes deprecated APIs accumulated across the 2.x series.</p> <h2>Background Tasks (SEP-1686)</h2> <p>Long-running operations (like tool calls) normally block MCP clients until they complete. The new <a href="https://modelcontextprotocol.io/specification/2025-11-25/basic/utilities/tasks";>MCP background task protocol</a> (SEP-1686) lets clients start operations, track progress, and retrieve results without blocking. For FastMCP users, taking advantage of this new functionality is as easy as adding <code>task=True</code> to any async decorator. Under the hood, it's powered by <a href="https://github.com/chrisguidry/docket";>Docket</a>, the enterprise task scheduler at the heart of <a href="https://prefect.io";>Prefect Cloud</a> that handles millions of concurrent tasks every day.</p> <pre lang="python"><code>from fastmcp import FastMCP from fastmcp.dependencies import Progress <p>mcp = FastMCP("MyServer")</p> <p><a href="https://github.com/mcp";><code>@mcp</code></a>.tool(task=True)<br /> async def train_model(dataset: str, progress: Progress = Progress()) -> str:<br /> await progress.set_total(100)<br /> for epoch in range(100):<br /> # ... training work ...<br /> await progress.increment()<br /> return "Model trained successfully"<br /> </code></pre></p> <p>Clients that call this tool in task-augmented mode (for FastMCP clients, that merely means another <code>task=True</code>!) receive a task ID immediately, poll for progress updates, and fetch results when ready. Background tasks work out-of-the-box with an in-memory backend, and users can optionally provide a Redis URL for persistence, horizontal scaling, and single-digit millisecond task pickup latency. When using Redis, users can also add additional Docket workers to scale out their task processing.</p> <p>Read the docs <a href="https://gofastmcp.com/servers/tasks";>here</a>!</p> <h2>OpenAPI Parser Promotion</h2> <p>The experimental OpenAPI parser graduates to standard. The new architecture delivers improved performance through single-pass schema processing and cleaner internal abstractions. Existing code works unchanged; users of the experimental module should update their imports.</p> <h2>MCP 2025-11-25 Spec Support</h2> <p>This release begins adopting the <a href="https://modelcontextprotocol.io/specification/2025-11-25";>MCP 2025-11-25 specification</a>. Beyond the core SDK updates, FastMCP adds first-class developer experiences for:</p> <ul> <li><a href="https://modelcontextprotocol.io/specification/2025-11-25/basic/utilities/tasks";><strong>SEP-1686</strong></a>: Background tasks with progress tracking</li> <li><a href="https://modelcontextprotocol.io/specification/2025-11-25/basic/transports/streamable-http#resumability-and-redelivery";><strong>SEP-1699</strong></a>: SSE polling and event resumability, with full <code>AsyncKeyValue</code> support</li> <li><a href="https://modelcontextprotocol.io/specification/2025-11-25/basic/utilities/elicitation#schema";><strong>SEP-1330</strong></a>: Multi-select enum elicitation schemas</li> <li><a href="https://modelcontextprotocol.io/specification/2025-11-25/basic/utilities/elicitation#schema";><strong>SEP-1034</strong></a>: Default values for elicitation schemas</li> <li><a href="https://modelcontextprotocol.io/specification/2025-11-25/basic/utilities/tools#tool-name-requirements";><strong>SEP-986</strong></a>: Tool name validation at registration time</li> </ul> <p>As the MCP SDK continues to adopt more of the specification, FastMCP will add corresponding high-level APIs.</p> <h2>Breaking Changes & Cleanup</h2> <p>This release removes deprecated APIs accumulated across the 2.x series: <code>BearerAuthProvider</code>, <code>Context.get_http_request()</code>, the <code>dependencies</code> parameter, legacy resource prefix formats, and several deprecated methods. The upgrade guide provides migration paths for each.</p> <!-- raw HTML omitted --> <h2>What's Changed</h2> <!-- raw HTML omitted --> </blockquote> <p>... (truncated)</p> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/jlowin/fastmcp/blob/main/docs/changelog.mdx";>fastmcp's changelog</a>.</em></p> <blockquote> <hr /> <h2>title: "Changelog" icon: "list-check" rss: true</h2> <!-- raw HTML omitted --> <p><strong><a href="https://github.com/jlowin/fastmcp/releases/tag/v2.14.3";>v2.14.3: Time After Timeout</a></strong></p> <p>Sometimes five seconds just isn't enough. This release fixes an HTTP transport bug that was cutting connections short, along with OAuth and Redis fixes, better ASGI support, and CLI update notifications so you never miss a beat.</p> <h2>What's Changed</h2> <h3>Enhancements 🔧</h3> <ul> <li>Add debug logging for OAuth token expiry diagnostics by <a href="https://github.com/jlowin";><code>@jlowin</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2789";>#2789</a></li> <li>Add CLI update notifications by <a href="https://github.com/jlowin";><code>@jlowin</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2839";>#2839</a></li> <li>Use pip instead of uv pip in upgrade instructions by <a href="https://github.com/jlowin";><code>@jlowin</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2841";>#2841</a></li> </ul> <h3>Fixes 🐞</h3> <ul> <li>Backport OAuth token storage TTL fix to release/2.x by <a href="https://github.com/jlowin";><code>@jlowin</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2798";>#2798</a></li> <li>Prefix Redis keys with docket name for ACL isolation (2.x backport) by <a href="https://github.com/chrisguidry";><code>@chrisguidry</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2812";>#2812</a></li> <li>Fix ContextVar propagation for ASGI-mounted servers with tasks by <a href="https://github.com/chrisguidry";><code>@chrisguidry</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2843";>#2843</a></li> <li>Fix HTTP transport timeout defaulting to 5 seconds by <a href="https://github.com/jlowin";><code>@jlowin</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2848";>#2848</a></li> </ul> <p><strong>Full Changelog</strong>: <a href="https://github.com/jlowin/fastmcp/compare/v2.14.2...v2.14.3";>v2.14.2...v2.14.3</a></p> <!-- raw HTML omitted --> <!-- raw HTML omitted --> <p><strong><a href="https://github.com/jlowin/fastmcp/releases/tag/v2.14.2";>v2.14.2: Port Authority</a></strong></p> <p>FastMCP 2.14.2 brings a wave of community contributions safely into the 2.x line. A variety of important fixes backported from 3.0 work improve OpenAPI 3.1 compatibility, MCP spec compliance for output schemas and elicitation, and correct a subtle base_url fallback issue. The CLI now gently reminds you that FastMCP 3.0 is on the horizon.</p> <h2>What's Changed</h2> <h3>Enhancements 🔧</h3> <ul> <li>Pin MCP under 2.x by <a href="https://github.com/jlowin";><code>@jlowin</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2709";>#2709</a></li> <li>Add auth_route parameter to SupabaseProvider by <a href="https://github.com/EloiZalczer";><code>@EloiZalczer</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2760";>#2760</a></li> <li>Update CLI banner with FastMCP 3.0 notice by <a href="https://github.com/jlowin";><code>@jlowin</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2765";>#2765</a></li> </ul> <h3>Fixes 🐞</h3> <ul> <li>Let FastMCPError propagate unchanged from managers by <a href="https://github.com/jlowin";><code>@jlowin</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2697";>#2697</a></li> <li>Fix test cleanup for uvicorn 0.39+ context isolation by <a href="https://github.com/jlowin";><code>@jlowin</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2696";>#2696</a></li> <li>Bump pydocket to 0.16.3 to fix worker cleanup race condition by <a href="https://github.com/chrisguidry";><code>@chrisguidry</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2700";>#2700</a></li> <li>Fix Prefect website URL in docs footer by <a href="https://github.com/mgoldsborough";><code>@mgoldsborough</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2705";>#2705</a></li> <li>Fix: resolve root-level $ref in outputSchema for MCP spec compliance by <a href="https://github.com/majiayu000";><code>@majiayu000</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2727";>#2727</a></li> <li>Fix OAuth Proxy resource parameter validation by <a href="https://github.com/jlowin";><code>@jlowin</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2763";>#2763</a></li> <li>Fix openapi_version check to include 3.1 by <a href="https://github.com/deeleeramone";><code>@deeleeramone</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2769";>#2769</a></li> <li>Fix titled enum elicitation schema to comply with MCP spec by <a href="https://github.com/jlowin";><code>@jlowin</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2774";>#2774</a></li> <li>Fix base_url fallback when url is not set by <a href="https://github.com/bhbs";><code>@bhbs</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2782";>#2782</a></li> <li>Lazy import DiskStore to avoid sqlite3 dependency on import by <a href="https://github.com/jlowin";><code>@jlowin</code></a> in <a href="https://redirect.github.com/jlowin/fastmcp/pull/2785";>#2785</a></li> </ul> <h3>Docs 📚</h3> <!-- raw HTML omitted --> </blockquote> <p>... (truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/jlowin/fastmcp/commit/3d6fd4650c4c59465fbd6983693952946259d354";><code>3d6fd46</code></a> chore: remove tests/test_examples.py (<a href="https://redirect.github.com/jlowin/fastmcp/issues/2593";>#2593</a>)</li> <li><a href="https://github.com/jlowin/fastmcp/commit/03b62d2e3d90b44887ff9b87c074e3bd0ce3e8f7";><code>03b62d2</code></a> feat: handle error from the initialize middleware (<a href="https://redirect.github.com/jlowin/fastmcp/issues/2531";>#2531</a>)</li> <li><a href="https://github.com/jlowin/fastmcp/commit/95e58e87aa1089ac196ae3e6f0ee6631ef93dfcf";><code>95e58e8</code></a> fix: preserve exception propagation through transport cleanup (<a href="https://redirect.github.com/jlowin/fastmcp/issues/2591";>#2591</a>)</li> <li><a href="https://github.com/jlowin/fastmcp/commit/855e01ed2175335fe7ec5a1b11e494178ff0b141";><code>855e01e</code></a> chore: Update SDK documentation (<a href="https://redirect.github.com/jlowin/fastmcp/issues/2588";>#2588</a>)</li> <li><a href="https://github.com/jlowin/fastmcp/commit/d56f55a12a3afd7752346e8eef38bf1c858881bd";><code>d56f55a</code></a> Add smart fallback for missing access token expiry (<a href="https://redirect.github.com/jlowin/fastmcp/issues/2587";>#2587</a>)</li> <li><a href="https://github.com/jlowin/fastmcp/commit/d35b867b10b2e4b74d9b682c9ebd6b68ddaa5cca";><code>d35b867</code></a> chore: Update SDK documentation (<a href="https://redirect.github.com/jlowin/fastmcp/issues/2517";>#2517</a>)</li> <li><a href="https://github.com/jlowin/fastmcp/commit/080ffa578a6d8c6dbcfa802419cbfc8ff85130d3";><code>080ffa5</code></a> Fix nested server mount routing for 3+ levels deep (<a href="https://redirect.github.com/jlowin/fastmcp/issues/2586";>#2586</a>)</li> <li><a href="https://github.com/jlowin/fastmcp/commit/0bcd69cd98a9d3c8ad6807999e5072b4b2707b83";><code>0bcd69c</code></a> Remove overly restrictive MIME type validation from Resource (<a href="https://redirect.github.com/jlowin/fastmcp/issues/2585";>#2585</a>)</li> <li><a href="https://github.com/jlowin/fastmcp/commit/9b41d16dc0fb4b5231a57cd5229d0a1b4c43a890";><code>9b41d16</code></a> Remove deprecated mount/import argument order and separator params (<a href="https://redirect.github.com/jlowin/fastmcp/issues/2582";>#2582</a>)</li> <li><a href="https://github.com/jlowin/fastmcp/commit/95fb8b4894ec03f29704f5c804521ab30fed88a5";><code>95fb8b4</code></a> Fix proxy tool result meta attribute forwarding (<a href="https://redirect.github.com/jlowin/fastmcp/issues/2526";>#2526</a>)</li> <li>Additional commits viewable in <a href="https://github.com/jlowin/fastmcp/compare/v2.13.2...v2.14.0";>compare view</a></li> </ul> </details> <br /> [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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