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0.21.0

Rich-Harris/degit0.21.0Feb 24, 2026by cliffhall

AI Summary

Feature release focusing on OAuth improvements, enhanced schema handling for anyOf types, and the addition of tool annotations display in the Tools tab.

Key Highlights

  • OAuth tenant suffix added to oauth flow.
  • Enhanced resolution and enum handling in anyOf schemas.
  • Display tool annotations in Tools tab.
  • Include LICENSE file in published npm packages.

New Features

  • OAuth tenant suffix support.
  • Enhanced schema handling for resolution and enums.
  • Tool annotations display.
  • License file inclusion in npm packages.

Full Release Notes

## What's Changed
* Bump actions/setup-node from 4 to 6 by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1057
* Bump actions/upload-artifact from 4 to 6 by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1058
* Bump actions/attest-build-provenance from 2 to 3 by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1059
* Bump actions/cache from 4 to 5 by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1060
* Bump actions/github-script from 7 to 8 by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1061
* fix: display tool title field in Inspector UI by @olaservo in https://github.com/modelcontextprotocol/inspector/pull/1054
* Bump actions/checkout from 4 to 6 by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1079
* fix: enhance  resolution and enum handling in anyOf schemas by @Edison-A-N in https://github.com/modelcontextprotocol/inspector/pull/901
* fix: include LICENSE file in published npm packages by @olaservo in https://github.com/modelcontextprotocol/inspector/pull/1055
* feat(client): display tool annotations in Tools tab by @olaservo in https://github.com/modelcontextprotocol/inspector/pull/1066
* Bump qs from 6.14.1 to 6.14.2 in the npm_and_yarn group across 1 directory by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1088
* fix: add missing tool result to AppsRenderer by @infoxicator in https://github.com/modelcontextprotocol/inspector/pull/1075
* Update SECURITY.md to use GitHub Security Advisories by @localden in https://github.com/modelcontextprotocol/inspector/pull/1097
* oauth: add tenant suffix to oauth flow by @howardjohn in https://github.com/modelcontextprotocol/inspector/pull/1096
* chore(deps): bump the npm_and_yarn group across 1 directory with 2 updates by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1106
* Manage display of "Run as Task" checkbox on Tools Tab by @cliffhall in https://github.com/modelcontextprotocol/inspector/pull/1072
* chore: bump version to 0.21.0 by @Copilot in https://github.com/modelcontextprotocol/inspector/pull/1112

## New Contributors
* @Edison-A-N made their first contribution in https://github.com/modelcontextprotocol/inspector/pull/901
* @infoxicator made their first contribution in https://github.com/modelcontextprotocol/inspector/pull/1075
* @localden made their first contribution in https://github.com/modelcontextprotocol/inspector/pull/1097

**Full Changelog**: https://github.com/modelcontextprotocol/inspector/compare/0.20.0...0.21.0