Semgrep vs duplication-hunter
duplication-hunter is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑18.
Semgrep is an MCP server published by docker. Marketplaces we read that list it: 1 (Docker MCP Catalog). duplication-hunter is a plugin bundle for AI coding tools published by barnburner121. No marketplace we read lists it any more. As of our marketplace pass on 2026-10-21. 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 barnburner121/claude-plugin-marketplace | Not listed | Removed on 2026-10-18 Version: 1.0.0 Forks (GitHub): 0 Stars (GitHub): 3 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 | duplication-hunterno longer listed · |
|---|---|---|
| Marketplaces that list it (differs) | 1 | 0 |
| Stars (GitHub) (differs) | No figure on GitHub | 3 |
| Forks (GitHub) (differs) | No figure on GitHub | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | Remote server (mcp.semgrep.ai/mcp) | On your machine (@barnburner121/plugin-hub-mcp) |
| 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 | 2 |
| Licence (differs) | Apache-2.0 | MIT |
| Repository (differs) | Not stated | github.com/barnburner121/claude-plugin-marketplace |
| Changes in the last 7 days (differs) | 0 | 2 |
| First seen (differs) | 2026-10-11 | 2026-10-14 |
| Endpoint at the last check (differs) | Responded 2 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 duplication-hunter
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
-
Get comprehensive code reviews with suggestions for improvements, best practices, and potential issues.
-
Clean code and clean architecture in one skill: readable names, focused functions, correct file placement, one job per unit, the Dependency Rule and SOLID, tests, errors — with…
-
Use Gemini CLI from Claude Code to review code, analyze codebases, or delegate tasks. Leverages Gemini's 1M token context window for whole-codebase analysis.
-
Your code review partner. CodeRabbit provides external validation using a specialized AI architecture and 40+ integrated static analyzers—offering a different perspective that…
-
socraticode io.github.giancarloerra/socraticode
MCP server for enterprise local codebase indexing, semantic search, and code dependency graphs.
-
Semantic code search for Claude Code. High-performance Rust implementation with automatic project indexing.
What each says it does
Semgrep
MCP server for using Semgrep to scan code for security vulnerabilities.
duplication-hunter
Find duplicate code blocks and suggest DRY refactoring
How to run each
Semgrep As a remote MCP server
claude mcp add --transport http semgrep https://mcp.semgrep.ai/mcpduplication-hunter
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 duplication-hunter 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: duplication-hunter · 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.