Is Semgrep safe and trustworthy?

tashan scores Semgrep on public evidence — tashan score 55.0/100, it is currently active. Audit scope: OSV advisories, install-time scripts, build provenance and declared permission surface. We do not review source code or execute the capability.

How do I install Semgrep?

Configure it from its source repository — it is a remote / registry server.

Who maintains Semgrep?

5 GitHub contributors, source: semgrep/mcp-marketplace.

‹ The Index

Semgrep

plugin

Semgrep catches security vulnerabilities in real-time and guides Claude to write secure code from the start.

Works with: Claude Code (native)
native: this artifact type is that client's own format

Category: Security — see all ranked ›

Work: Security review

Who it is for: Security engineer

Install (Claude Code):

/plugin marketplace add anthropics/claude-plugins-community
/plugin install semgrep@claude-community

thin

“No tool list - the MCP is described as 'exposes tools' with a link out to semgrep.dev.”

This grade is wrong ›

tashan score: 55.0
Instruction depth: 50.0 (thin — shallow — says what it does, not how to actually use it)
Adoption: 3 repos
Upkeep: 92.0
Freshness: 82.0
Evidence coverage: 84% of the inputs this score can use — the rest are unknown, and the score is discounted for it
Health: active
GitHub stars: 10
Contributors: 5

Security audit

Not scanned yet. We audit npm-published capabilities for known advisories, install-time scripts and permission surface; this one has no npm package we can resolve, or has not reached the queue.

You searched for one. Check the rest of your stack:

npx tashan-cli doctor

Reads the config already on your machine and names what is dead, deprecated or running code at install time. No account, nothing uploaded.

tashan Pro$6/mo

Semgrep scores 55 today. Pro keeps the series, so you can see whether that is a project getting better or one on its way down.

The whole series behind any row, back to the first day we measured it
The replacement, named — not just the news that something died
tashan doctor over your own config, on your own machine

Start a 7-day trial › Everything measured on this page stays free.

Show your score

Measured this well? Put the live badge in your README — it updates as the score does.

[![tashan](https://tashan.sh/badge/plugin-semgrep-mcp-marketplace-semgrep.svg)](https://tashan.sh/capability/plugin-semgrep-mcp-marketplace-semgrep.html)

source ↗ · plugin:semgrep/mcp-marketplace/semgrep

Everything on this page is public evidence and free. What it cannot know is whether you run this — check your whole config, free, in the browser. tashan Pro adds the series behind each row and names a replacement for anything dying.

Already running this? Check your whole config — free, in your browser, nothing installed. Or npx tashan-cli doctor locally, which sends nothing at all.

Measured 2026-09-13 · scorer s5 · how · something wrong here?