# file_utils MCP

> file_utils MCP — jel-ll-file-utils. Use this tool when you need to efficiently manage large text files, especially when editing or reading specific ranges of content. It solves problems related to version control and collaborative editing by using content-addressed anchors that persist despite line shifts. The file_utils MCP server provides a range of inputs and outputs through tools like read_file_range, edit_file_range, and append_to_file, making it ideal for use cases involving frequent file modifications.

Canonical page: https://skillsregistry.net/skills/jel-ll-file-utils  
JSON: https://api.skillsregistry.net/v1/skills/jel-ll-file-utils

## Description

An MCP server for reading and editing large text files using content-addressed anchors that survive line shifts, providing tools like read_file_range, edit_file_range, insert_at, prepend_to_file, and append_to_file.

## Trust

- **Trust score (0–1):** 0.67
- **Verification tier:** scanned
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** file-system
- **Updated:** 2026-08-30

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/ttipuohly7)
- **Repository:** <https://github.com/JEL-LL/file_utils>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "jel-ll-file-utils"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/jel-ll-file-utils` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/jel-ll-file-utils/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt