v1.16.0

What's Changed

• Add error log for client stdio by @pengwa in #924
• Accept additional response_types values from OAuth servers by @jonshea in #1323
• Issue 1379 patch - Fix MCP server OAuth not working with Visual Studio Code and others with extra grant_types by @automaton82 in #1380
• Add comprehensive Unicode tests for streamable HTTP transport by @pja-ant in #1381
• Update Icon.sizes to use string array format by @pja-ant in #1411
• Delete CODEOWNERS to eliminate notification overload by @felixweinberger in #1413
• fix: fix the system message in simple-chatbot example by @yukuanj in #1394
• fix: improve misleading warning for progress callback exceptions by @lorenzocesconetto in #775
• fix: catch and rethrow SSEError during SSE connection establishment by @zhangch-ss in #975
• Add icons support for ResourceTemplate by @pja-ant in #1412

New Contributors 🙏

• @pengwa made their first contribution in #924
• @jonshea made their first contribution in #1323
• @automaton82 made their first contribution in #1380
• @yukuanj made their first contribution in #1394
• @zhangch-ss made their first contribution in #975

Full Changelog: 1.15.0...v1.16.0

v1.15.0

What's Changed

• Return HTTP 403 for invalid Origin headers by @pja-ant in #1353
• Add test for ProtectedResourceMetadataParsing by @yannj-fr in #1236
• Fastmcp logging progress example by @stevebillings in #1270
• feat: add paginated list decorators for prompts, resources, and tools by @maxisbey in #1286
• Remove "unconditionally" from conditional description by @mssalvatore in #1289
• Use streamable-http consistently in examples by @maxisbey in #1389
• feat: Add SDK support for SEP-1034 default values in elicitation schemas by @chughtapan in #1337
• Implementation of SEP 973 - Additional metadata + icons support by @pja-ant in #1357

New Contributors

• @stevebillings made their first contribution in #1270
• @mssalvatore made their first contribution in #1289

Full Changelog: v1.14.1...v1.15.0

v1.14.1

What's Changed

• fix(fastmcp): propagate mimeType in resource template list by @pchoudhury22 in #1186
• fix: allow elicitations accepted without content by @owengo in #1285
• Use --frozen in pre-commit config by @pja-ant in #1375

New Contributors

• @pchoudhury22 made their first contribution in #1186
• @owengo made their first contribution in #1285

Full Changelog: v1.14.0...v1.14.1

v1.14.0

What's Changed

• Added Audio to FastMCP by @dragonier23 in #1130
• Fix: avoid uncessary retries in OAuth authenticated requests by @keurcien in #1206
• Add PATHEXT to default STDIO env vars in windows by @timesler in #1256
• fix: error too many values to unpack (expected 2) by @sandangel in #1279
• SDK Parity: Avoid Parsing Server Response for non-JsonRPCMessage Requests by @justin-yi-wang in #1290
• types: Setting default value for method: Literal by @sreenaths in #1292
• changes structured temperature to not deadly by @monkeywithacupcake in #1328
• Update simple-resource example to use non-deprecated read_resource return type by @pja-ant in #1331
• docs: Update README to include link to API docs for #1329 by @reidg44 in #1330
• Allow ping requests before initialization by @eleftherias in #1312
• Python lint: Ruff rules for pylint and code complexity by @cclauss in #525
• Fix context injection for resources and prompts by @dsp-ant in #1336

New Contributors 🙏

• @dragonier23 made their first contribution in #1130
• @keurcien made their first contribution in #1206
• @timesler made their first contribution in #1256
• @sandangel made their first contribution in #1279
• @justin-yi-wang made their first contribution in #1290
• @monkeywithacupcake made their first contribution in #1328
• @pja-ant made their first contribution in #1331
• @reidg44 made their first contribution in #1330
• @eleftherias made their first contribution in #1312

Full Changelog: v1.13.1...v1.14.0

v1.13.1

What's Changed

• chore: uncomment .idea/ in .gitignore by @maxisbey in #1287
• docs: clarify streamable_http_path configuration when mounting servers by @felixweinberger in #1172
• feat: Add CORS configuration for browser-based MCP clients by @jerome3o-anthropic in #1059

New Contributors

• @maxisbey made their first contribution in #1287

Full Changelog: v1.13.0...v1.13.1

v1.13.0

What's Changed

• Add pyright strict mode on the whole project by @Kludex in #1254
• Consistent casing for default headers Accept and Content-Type by @glinf in #1263
• Update dependencies and fix type issues by @dsp-ant in #1268
• fix: prevent async generator cleanup errors in StreamableHTTP transport by @mous222 in #1271

New Contributors

• @glinf made their first contribution in #1263
• @mous222 made their first contribution in #1271

Full Changelog: v1.12.4...v1.13.0

v1.12.4

What's Changed

• chore: Remove unused prompt_manager.py file by @chughtapan in #1229
• Improved supported for ProtectedResourceMetadata by @yannj-fr in #1235
• chore: Remove unused variable notification_options by @sreenaths in #1238
• Improve README around the Context object by @jbkkd in #1203
• Fix : token_endpoint_auth_signing_alg_values_supported is a json array by @yannj-fr in #1226
• Remove strict validation on response_modes_supported member of OAuthMetadata by @joesavage-silabs in #1243

New Contributors

• @chughtapan made their first contribution in #1229
• @yannj-fr made their first contribution in #1235
• @sreenaths made their first contribution in #1238
• @jbkkd made their first contribution in #1203
• @joesavage-silabs made their first contribution in #1243

Full Changelog: v1.12.3...v1.12.4

v1.12.3

What's Changed

• server: skip duplicate response on CancelledError by @lukacf in #1153
• Unpack settings in FastMCP by @Kludex in #1198

New Contributors

• @lukacf made their first contribution in #1153

Full Changelog: v1.12.2...v1.12.3

v1.12.2

What's Changed

• update codeowners group by @ihrpr in #1191
• fix: perform auth server metadata discovery fallbacks on any 4xx by @LucaButBoring in #1193

Full Changelog: v1.12.1...v1.13.0

v1.12.1

What's Changed

• Add CODEOWNERS file for sdk by @ihrpr in #1169
• fix flaky test test_88_random_error by @ihrpr in #1171
• Make sure RequestId is not coerced as int by @Kludex in #1178
• Fix: Replace threading.Lock with anyio.Lock for Ray deployment compatibility by @only-weng in #1151
• fix: fix OAuth flow request object handling by @clareliguori in #1174

New Contributors

• @only-weng made their first contribution in #1151

Full Changelog: v1.12.0...v1.12.1