Utility MCP server: JSON repair, encoding fixes, conversion, duplicates, batch rename, archives.
Utility MCP server: JSON repair, encoding fixes, conversion, duplicates, batch rename, archives.
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.
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Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| 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 |
{
"mcpServers": {
"ellmos-clatcher": {
"command": "npx",
"args": ["-y", "ellmos-clatcher-mcp"]
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
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