# ARNO

> ARNO — julianbei-arno. Use this tool when you need to develop, manage, and validate agent code in multiple programming languages, including Go, Java, Scala, TypeScript, Python, Rust, and Ruby. ARNO solves version control and collaboration problems by providing an integrated development environment (IDE) with git capabilities, allowing users to read, edit, and revert code revisions. It is ideal for use cases that require iterative coding, testing, and validation against specific revisions.

Canonical page: https://skillsregistry.net/skills/julianbei-arno  
JSON: https://api.skillsregistry.net/v1/skills/julianbei-arno

## Description

The IDE for agents. An MCP server: read by symbol, edit against a revision, validate with your own build, revert. Go, Java, Scala, TypeScript, Python, Rust, Ruby.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** Apache-2.0
- **Updated:** 2026-09-22

## Source

- **Source listing:** [GitHub](https://github.com/julianbei/ARNO)

## 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": "julianbei-arno"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/julianbei-arno` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/julianbei-arno/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