Semgrep vs red-agent
red-agent is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑17.
Semgrep is an MCP server published by docker. Marketplaces we read that list it: 1 (Docker MCP Catalog). red-agent is a plugin bundle for AI coding tools published by Red Agent Team. No marketplace we read lists it any more. As of our marketplace pass on 2026-10-23. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |  Semgrep | |
|---|---|---|
| Docker MCP Catalog | Listed Version: not stated No figure published Not marked · First seen |
Not listed |
| Community marketplace abossenbroek/abossenbroek-claude-plugins | Not listed | Removed on 2026-10-17 Version: 1.7.0 Forks (GitHub): 0 Stars (GitHub): 2 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | Semgrep | red-agentno longer listed · |
|---|---|---|
| Marketplaces that list it (differs) | 1 | 0 |
| Stars (GitHub) (differs) | No figure on GitHub | 2 |
| Forks (GitHub) (differs) | No figure on GitHub | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | Remote server (mcp.semgrep.ai/mcp) | Installs as a plugin bundle |
| Transport (differs) | Streamable HTTP | Not stated |
| Tools it declares (differs) | 8 | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | Not a bundle | 14 |
| Licence (differs) | Apache-2.0 | Not stated |
| Repository (differs) | Not stated | github.com/abossenbroek/abossenbroek-claude-plugins |
| Changes in the last 7 days | 0 | 0 |
| First seen (differs) | 2026-10-11 | 2026-10-15 |
| Endpoint at the last check (differs) | Responded 4 days ago, requires a key | no remote endpoint we check |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of red-agent
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
-
Scan GitHub-hosted AI skills for vulnerabilities: prompt injection, malware, OWASP LLM Top 10.
-
Security reviews, threat models over a repo or website, and remediation tracking, in your editor.
-
Deep vulnerability scanning of your own code, run entirely inside your Claude Code session at a chosen effort tier, with every finding challenged before it is reported and the…
-
Security review for Claude-generated code. Pattern-based warnings on edits, LLM-powered diff review on Stop, and an agentic commit reviewer that catches injection, XSS, SSRF…
-
Semgrep catches security vulnerabilities in real-time and guides Claude to write secure code from the start.
-
Catch security issues, unsafe agent patterns, and hallucinated tools before code ships
What each says it does
Semgrep
MCP server for using Semgrep to scan code for security vulnerabilities.
red-agent
Adversarial red/rainbow team analysis plugin for Claude Code. Finds weaknesses in LLM interactions through systematic probing using a 10x10 attack taxonomy (11 categories for PR analysis including code-duplication). Includes automated fix orchestrator with GitHub integration, PR analysis with 4 git modes, and comprehensive security documentation.
How to run each
Semgrep As a remote MCP server
claude mcp add --transport http semgrep https://mcp.semgrep.ai/mcpred-agent
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Commands built only from what the marketplaces declare; the full set for every client is on each card.
Only Semgrep has a remote endpoint we check. How we check endpoints
Tools each declares
The marketplaces of red-agent publish no list of tools, so we do not compare tools.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: Semgrep · What it can do: red-agent · Compare two other plugins
Data comes from the Docker MCP Catalog (desktop.docker.com/mcp/catalog) and Docker Hub. Data comes from public marketplace files in GitHub repositories of their authors. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.