sem
sem is an MCP server published by Ataraxy-Labs; its MCP spec-revision support has not been verified yet. It is the first-party server from Ataraxy-Labs. Last verified 2026-08-25.
Does sem support the current MCP specification (2026-07-28)?
Undetermined. We have not verified which MCP specification revision sem supports (as of 2026-08-25).
Is sem a first-party (official) MCP server?
Yes. sem is the first-party MCP server published by Ataraxy-Labs (last verified 2026-08-25).
How do I connect to sem?
sem is available via the package npm:@ataraxy-labs/sem, the official MCP Registry under io.github.Ataraxy-Labs/sem, the source repository at https://github.com/ataraxy-labs/sem. Authentication: unknown. Transports: stdio.
When were sem's facts last verified?
2026-08-25. Each fact on this page links to the sources used to verify it.
Entity-level code intelligence: semantic diff, impact analysis, blame, and context for AI agents
How widely adopted is sem?
Ranked #53 in The MCP 500 with Adoption Index 61.28 (snapshot , methodology v1).
| Measurement | Value | Source |
|---|---|---|
| Official MCP Registry | yes | API · |
| Docker MCP Catalog | no | API · |
| npm downloads (weekly) | 4,542 | API · |
| GitHub stars | 3,350 | API · |
| GitHub forks | 102 | API · |
| Last push | 2026-09-13T20:40:33Z | API · |
| Repository archived | no | API · |
Repository and package signals for sem
Measured directly from the source registries, not asserted from a document. Each figure carries the date it was read; none of it affects the verified spec status above.
Repository as of
- Created
- Open issues
- 9
- Primary language
- Rust
- License (repository)
- Apache-2.0
- Continuous integration
- Present
- Tests
- Present
- Security policy
- None
Declared topics: ai-agents, code-intelligence, coding-agents, developer-tools, git, llm-tools, semantic-diff, tree-sitter, typescript, version-control — author-declared on the repository, not our taxonomy.
Package (npm) as of
- Latest version
0.23.1- Last published
- First published
- Releases
- 34
- License (package)
- MIT OR Apache-2.0
- Maintainers
- 1
- Direct dependencies
- 0
- Unpacked size
- 110 KB
- Registry signature
- Signed
- Build provenance
- No attestation
How was this verified, and what are the sources?
Verified · method: registry-record
· confidence 0.85 (Good).
- Official MCP Registry record for io.github.Ataraxy-Labs/sem at version 0.21.0 - lists package npm:@ataraxy-labs/sem and repository https://github.com/ataraxy-labs/sem - accessed
- GitHub organization Ataraxy-Labs - "Ataraxy Labs Inc.", is_verified true, blog ataraxy-labs.com; the README places sem in "the Ataraxy Labs stack" beside weave, inspect and opensessions - accessed
- Ataraxy-Labs/sem README - "sem mcp starts a Model Context Protocol server over stdin/stdout" exposing six tools; no MCP revision named anywhere in the document - accessed