ellmos-clatcher-mcp
Officialellmos-clatcher-mcp
🇩🇪 Deutsche Version
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.
Use Clatcher when your agent needs reliable local maintenance tools for text files, data files, and project folders: repair invalid JSON, normalize encodings, convert formats, compare folders, rename files safely, and verify checksums without leaving the MCP workflow.
Part of the ellmos MCP family:
Server | Focus | npm |
Filesystem operations, process management, interactive sessions | ||
Code analysis, AST parsing, import management | ||
Utility tools: repair, convert, detect, batch ops | ||
n8n workflow management via AI assistants | ||
MCP stack discovery, profile management, control plane | ||
LLM memory, knowledge, state, routing, and orchestration |
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Server operations: deploy dry-runs, mail status, log analysis, health checks |
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Each server covers a different domain. Use one server, a focused pair, or the full family depending on your workflow.
Discoverability
npm:
ellmos-clatcher-mcpGitHub:
ellmos-ai/ellmos-clatcher-mcpMCP Registry metadata:
server.jsondeclares the officialio.github.ellmos-ai/ellmos-clatcher-mcppackage identity.LLM index:
llms.txtsummarizes the tool surface for agents and registry crawlers.
Primary search terms: ellmos-clatcher-mcp, clatcher mcp, claude patcher, mcp json repair server, mcp encoding fix, model context protocol file repair, claude code utility tools, format conversion mcp tool, duplicate file detection mcp, batch rename mcp, checksum mcp, zip archive mcp.
Tools
Tool | Description |
| Repair broken JSON: strip comments, trailing commas, single quotes, BOM/NUL |
| Fix encoding issues: BOM removal, double-encoded UTF-8, cp1252 artifacts |
| Fix broken German umlauts from double-encoding (e.g. |
| Convert between JSON, YAML, TOML, XML, CSV, and INI |
| Find duplicate files by content hash (SHA256), grouped by identical content |
| Compare two directories, or take a snapshot and diff on next call |
| Rename files using regex patterns, with dry-run preview |
| Create, extract, or list ZIP archives |
| Calculate file hashes (SHA256, MD5, SHA1, SHA512) with optional verification |
| Remove BOM, trailing whitespace, fix line endings, strip NUL bytes |
| Find emoji characters in code files |
| 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-mcpnpm (global)
npm install -g ellmos-clatcher-mcp
claude mcp add ellmos-clatcher-mcp -- ellmos-clatcherFrom source
git clone https://github.com/ellmos-ai/ellmos-clatcher-mcp.git
cd ellmos-clatcher-mcp
npm install
npm run build
node dist/index.jsTesting
npm test141 tests covering all 12 tools, i18n language packs, repository hygiene, and metadata consistency (vitest). The GitHub Actions workflow runs npm ci, TypeScript build, Vitest, and an npm package dry-run on Node.js 20, 22, and 24.
Requirements
Node.js >= 18
License
ellmos-ai Ecosystem
This MCP server is part of the ellmos-ai ecosystem — AI infrastructure, MCP servers, and intelligent tools.
MCP Server Family
Server | Tools | Focus | npm |
44 | Filesystem, process management, interactive sessions | ||
21 | Code analysis, AST parsing, import management | ||
12 | File repair, format conversion, batch operations | ||
18 | n8n workflow management via AI assistants | ||
10 | MCP stack discovery, profile management, control plane | ||
44 | LLM memory, knowledge, state, routing, and orchestration |
| |
8 | Server operations: deploy dry-runs, mail, log analysis, health checks |
|
AI Infrastructure
Project | Description |
Text-based OS for LLMs — 113+ handlers, 550+ tools, 1870+ skills | |
Provider-neutral LLM orchestration with auto-routing and budget tracking | |
Lightweight agent memory, connectors, and automation infrastructure | |
Self-hosted AI research stack (Ollama + n8n + Rinnsal + KnowledgeDigest) | |
Autonomous agent chain framework for Claude Code | |
Minimalist database-driven LLM OS prototype (4 functions, 1 table) | |
Testing framework for LLM operating systems (7 dimensions) |
Desktop Software
Our partner organization open-bricks bundles AI-native desktop applications — a modern, open-source software suite built for the age of AI. Categories include file management, document tools, developer utilities, and more.
Haftung / Liability
Dieses Projekt ist eine unentgeltliche Open-Source-Schenkung im Sinne der §§ 516 ff. BGB. Die Haftung des Urhebers ist gemäß § 521 BGB auf Vorsatz und grobe Fahrlässigkeit beschränkt. Ergänzend gilt der Gewährleistungsausschluss der MIT-Lizenz.
Nutzung auf eigenes Risiko. Keine Wartungszusage, keine Verfügbarkeitsgarantie, keine Gewähr für Fehlerfreiheit oder Eignung für einen bestimmten Zweck.
This project is an unpaid open-source donation under German law. Liability is limited to intent and gross negligence (§ 521 German Civil Code). The MIT License warranty disclaimer applies.
Use at your own risk. No warranty, no maintenance guarantee, no availability guarantee, and no fitness-for-purpose assumed.
Maintenance
Latest Blog Posts
- Your AI Chatbot Just Exposed Your CEO's Salary to an InternBy Om-Shree-0709 on .Agent IdentityMCP SecurityOAuth Delegation
- Why MCP Servers Need Execution Sandboxing (And Why Your Current Stack Isn't Enough)By Om-Shree-0709 on .Agentic AiPrompt InjectionWebAssembly
MCP directory API
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