npm package discovery and stats viewer.

Discover Tips

  • General search

    [free text search, go nuts!]

  • Package details

    pkg:[package-name]

  • User packages

    @[username]

Sponsor

Optimize Toolset

I’ve always been into building performant and accessible sites, but lately I’ve been taking it extremely seriously. So much so that I’ve been building a tool to help me optimize and monitor the sites that I build to make sure that I’m making an attempt to offer the best experience to those who visit them. If you’re into performant, accessible and SEO friendly sites, you might like it too! You can check it out at Optimize Toolset.

About

Hi, 👋, I’m Ryan Hefner  and I built this site for me, and you! The goal of this site was to provide an easy way for me to check the stats on my npm packages, both for prioritizing issues and updates, and to give me a little kick in the pants to keep up on stuff.

As I was building it, I realized that I was actually using the tool to build the tool, and figured I might as well put this out there and hopefully others will find it to be a fast and useful way to search and browse npm packages as I have.

If you’re interested in other things I’m working on, follow me on Twitter or check out the open source projects I’ve been publishing on GitHub.

I am also working on a Twitter bot for this site to tweet the most popular, newest, random packages from npm. Please follow that account now and it will start sending out packages soon–ish.

Open Software & Tools

This site wouldn’t be possible without the immense generosity and tireless efforts from the people who make contributions to the world and share their work via open source initiatives. Thank you 🙏

© 2026 – Pkg Stats / Ryan Hefner

ellmos-clatcher-mcp

v1.0.1

Published

Claude Patcher -- MCP tools that extend Claude Code with capabilities not covered by built-in tools (Read/Write/Edit/Glob/Grep/Bash). Fix encoding, convert formats, detect duplicates, batch rename, archive, and more.

Vulnerabilities

Powered byPowered by Snyk
  • 0High
  • 0Medium
  • 0Low

Links

Git

Maintainers

lukischlukisch

Keywords

mcpmodel-context-protocolclaudeclaude-codedeveloper-toolsencoding-fixformat-conversionduplicate-detectionmcp-server

Readme

ellmos-clatcher-mcp

Claude Patcher -- an MCP server that extends AI coding agents with utility tools they don't have natively. File repair, format conversion, duplicate detection, batch operations, and more.

Part of the ellmos MCP family:

| Server | Focus | npm | |---|---|---| | ellmos-filecommander-mcp | Filesystem operations, process management, interactive sessions | ellmos-filecommander-mcp | | ellmos-codecommander-mcp | Code analysis, AST parsing, import management | ellmos-codecommander-mcp | | ellmos-clatcher-mcp | Utility tools: repair, convert, detect, batch ops | ellmos-clatcher-mcp |

Each server covers a different domain. Use one, two, or all three depending on your workflow.

Tools

| Tool | Description | |---|---| | fix_json | Repair broken JSON: strip comments, trailing commas, single quotes, BOM/NUL | | fix_encoding | Fix encoding issues: BOM removal, double-encoded UTF-8, cp1252 artifacts | | fix_umlauts | Fix broken German umlauts from double-encoding (e.g. ä -> ä) | | convert_format | Convert between JSON, YAML, TOML, XML, CSV, and INI | | detect_dupes | Find duplicate files by content hash (SHA256), grouped by identical content | | folder_diff | Compare two directories, or take a snapshot and diff on next call | | batch_rename | Rename files using regex patterns, with dry-run preview | | archive | Create, extract, or list ZIP archives | | checksum | Calculate file hashes (SHA256, MD5, SHA1, SHA512) with optional verification | | cleanup_file | Remove BOM, trailing whitespace, fix line endings, strip NUL bytes | | scan_emoji | Find emoji characters in code files | | regex_test | Test regex patterns against text, showing all matches with groups |

All destructive tools default to dry-run mode and require explicit dry_run: false to write changes.

Installation

Claude Code CLI

claude mcp add ellmos-clatcher-mcp -- npx ellmos-clatcher-mcp

npm (global)

npm install -g ellmos-clatcher-mcp
claude mcp add ellmos-clatcher-mcp -- ellmos-clatcher

From source

git clone https://github.com/ellmos-ai/ellmos-clatcher-mcp.git
cd ellmos-clatcher-mcp
npm install
npm run build
node dist/index.js

Testing

npm test

122 tests covering all 12 tools (vitest).

Requirements

  • Node.js >= 18

License

MIT