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Public repository / modelcontextprotocol

typescript-sdk

The official TypeScript SDK for Model Context Protocol servers and clients

13.6KStars

2.3KForks

555Open issues

109Subscribers

Language distribution

Share of source bytes reported by GitHub

TypeScript100%

JavaScript<1%

Shell<1%

Recent activity

Latest commits on the default branch

fix(core): reject x-mcp-header on number-typed parameters (#2762)pcarleton · Oct 5, 2026 ci: skip the Publish job when every version is already on npm (#2956)claude[bot] · Oct 5, 2026 Version Packages (#2953)github-actions[bot] · Oct 5, 2026 docs: one opening note in the server and client package READMEs (#2955)claude[bot] · Oct 5, 2026 feat(server-legacy): add expectedResource to requireBearerAuth (#2952)claude[bot] · Oct 5, 2026 docs: update the README banners (#2940)claude[bot] · Oct 5, 2026 test(e2e): expect SdkHttpError after a second 401 from onUnauthorized (#2936)claude[bot] · Oct 2, 2026 test(e2e): cover tools/call without arguments (#2933)claude[bot] · Oct 2, 2026 docs: state the principles in CLAUDE.md and shorten REVIEW.md (#2938)claude[bot] · Oct 2, 2026 Version Packages (#2896)github-actions[bot] · Oct 2, 2026

Project details

Created Sep 2024 Updated Oct 2026 Other Project website

mcpmcp-clientmcp-servertypescript

Contributors

8

jspahrsummers368 commits

ihrpr299 commits

felixweinberger164 commits

ochafik77 commits

KKonstantinov76 commits

bhosmer-ant

57 commits

mattzcarey41 commits

jerome3o-anthropic39 commits