MCP servers v1.0.0 publishes seven npm and PyPI packages

The modelcontextprotocol/servers repository published release v1.0.0 on October 11, 2026, according to its GitHub release. The release publishes seven Model Context Protocol server packages: four on npm at version 1.0.0 and three on PyPI at version 2026.10.10. The release notes describe the work as a release audit for the SDK 1.x release branch.

Release facts

What changed

• Release pipeline. The release notes say the TypeScript servers now use changesets, with publishing triggered by GitHub Releases. Pending changesets were folded into a 1.0.0 CHANGELOG.

• Filesystem server fixes. The notes list fixes for:

  • paths that differ from what is on disk only in Unicode form
  • paths under an allowed directory that is a UNC share root
  • overwriting existing files in place
  • keeping line endings and indentation in edit_file

  The server now waits for the initial roots before running tool calls, fails visibly when no directories are set, and declares JSON Schema 2020-12 on every tool schema.

• Roots fixes on the release branch. Three fixes were cherry-picked onto the release branch: roots revocation, roots refresh ordering and a roots refresh barrier.

• Session handling in the everything server. According to the notes:

  • subscriptions are cleaned up when a session disconnects
  • unknown and duplicate HTTP+SSE sessions now get a response
  • Streamable HTTP returns 404 for unknown sessions, replays per stream and closes sessions on shutdown
  • session resources are scoped to their server

• Test gates. The everything and filesystem servers gained characterization test suites with a 90% coverage gate for each file. CI now also runs the test suites on Windows runners.

• Agent rules file. One pull request adds AGENTS.md ("the absolute rules") and deletes CLAUDE.md.

Questions

Which packages does v1.0.0 publish? The release table lists four npm packages at 1.0.0: everything, filesystem, memory and sequential-thinking. It lists three PyPI packages at 2026.10.10: mcp-server-fetch, mcp-server-git and mcp-server-time.

What changed in how the filesystem server handles roots? According to the release notes, the server waits for the initial roots before tool calls and fails visibly when there are no directories. Fixes for roots revocation, refresh ordering and a refresh barrier were also cherry-picked onto the release branch.

What license covers the repository? Not stated in the cited sources. The repository excerpt says the GitHub API does not report a recognized license.

Later releases will be collected on the Model Context Protocol Servers hub in the MCP servers category, where you can compare it with the GitHub MCP server and TinyFish.