Remove deprecated run_sse_async method#2335
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jlowin merged 6 commits into2-14-deprecationsfrom Nov 1, 2025
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Both sse_app and run_sse_async methods are being removed
- Change CLI to call run_http_async with transport="sse" instead of run_sse_async - Update test to mock run_http_async with create=True for v1 servers
- Keep CLI calling run_sse_async() for v1 compatibility - Update test to mock run_sse_async (which exists on v1)
Method exists on v1 FastMCP class, no type error
jlowin
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Dec 1, 2025
* Initialize 2.14 deprecation removal branch * Remove deprecated FASTMCP_SERVER_ environment variable prefix (#2330) * Remove deprecated Context.get_http_request method (#2332) * Remove fastmcp.Image top-level import (deprecated 2.8.1) (#2334) * Remove test warnings (#2331) * Create new branch and fix issue * Remove deprecated client parameter from FastMCPProxy (#2333) * Remove deprecated run_streamable_http_async method (#2338) * Remove deprecated sse_app method (#2337) * Remove deprecated run_sse_async method (#2335) * Remove deprecated run_sse_async method * Update CLI and tests to use run_http_async(transport="sse") - Change CLI to call run_http_async with transport="sse" instead of run_sse_async - Update test to mock run_http_async with create=True for v1 servers * Revert CLI changes - v1 servers do have run_sse_async - Keep CLI calling run_sse_async() for v1 compatibility - Update test to mock run_sse_async (which exists on v1) * Remove unnecessary type ignore for run_sse_async Method exists on v1 FastMCP class, no type error * Remove unused imports after test deletion * Remove deprecated streamable_http_app method (#2336) * Remove deprecated dependencies parameter from FastMCP constructor (#2340) * Remove output_schema=False support (deprecated 2.11.4) (#2339) * Remove deprecated client parameter from FastMCPProxy (#2333) * Delete deprecated test_output_schema_false.py Tests functionality that has been removed * Remove deprecated BearerAuthProvider module (#2341) * Remove resource_prefix_format="protocol" support (deprecated 2.4.0) (#2342) * Remove resource_prefix_format="protocol" support (fixes #2195) Removes deprecated protocol format (prefix+resource://path) and keeps only path format (resource://prefix/path). Since only one format remains: - Removed resource_prefix_format from settings, FastMCP.__init__, and helpers - Simplified add_resource_prefix, remove_resource_prefix, has_resource_prefix - Removed MountedServer.resource_prefix_format field - Deleted tests for protocol format All resource prefixes now use path format exclusively. * Clean up resource_prefix_format references - Remove from test files - Update documentation to remove protocol format section - Move custom HTTP routes note to mounting section - Remove resource_prefix_format from settings docs * Use inline version note instead of badge for prefix format * Remove obsolete test functions and update docs - Delete test functions that no longer assert anything - Remove proxy.mdx reference to deleted prefix format section * Format error messages per ruff * Remove from_client classmethod (deprecated 2.8.0) (#2343) * Remove deprecated from_client classmethod (fixes #2192) * Remove unused Client import * Remove add_resource_fn method (deprecated 2.7.0) (#2345) * Update SDK * Add missing imports for exclude_args deprecation warning
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Removes the deprecated
run_sse_async()method from FastMCP (deprecated in 2.3.2). Users should migrate torun_http_async(transport="sse")or create SSE apps withfastmcp.server.http.create_sse_app.Fixes #2188