v0.4.21

What's Changed

• fix(ci): harden GitHub Actions workflows (#250) by @hf-security-analysis[bot] in #251
• chore(deps): upgrade Zod to 4.5.4 for lower schema memory by @evalstate in #253
• server: add opt-in MCP_STRICT_TOKEN mode (401 for token-less HTTP connections) by @outerheaven199X in #240
• fix(ci): harden GitHub Actions workflows (#254) by @hf-security-analysis[bot] in #255
• chore: remove dead exports and enforce knip in CI by @evalstate in #254
• build(deps): bump pnpm/action-setup from 6.0.10 to 6.1.0 in the actions group by @dependabot[bot] in #250
• chore: update docker-release.yml by @hf-security-analysis[bot] in #243
• chore: add OAuth and CIMD diagnostics by @evalstate in #216
• Fix protocol-specific tool error rates and add metrics dark mode by @evalstate in #256

New Contributors

• @hf-security-analysis[bot] made their first contribution in #251
• @outerheaven199X made their first contribution in #240

Full Changelog: v0.4.20...v0.4.21