Coderrr
Your friendly neighbourhood opensource coding agent
Coderrr launched on August 3, 2026 with 6 votes, #1,590 of 23,274 launches that month and more than 75% of that year's launches.
What it does
A powerful CLI tool that writes, debugs, and ships code alongside you. Like Claude Code, but free and open source. AI-powered coding agent that analyzes tasks, creates actionable plans, and executes commands.
A free, open-source CLI coding agent. Coderrr writes a spec, shows it to you, and stops — nothing on disk changes until you approve. Then it implements the plan task by task, running the code in a sandbox to check its own work. Connect your own MCP servers, and work with Ollama, Anthropic, OpenAI, Google, or OpenRouter.
Coderrr writes a spec, shows it to you, and stops . Nothing on disk changes until you approve. Free, open source, and it runs on your own provider key. v2 is a Python package on PyPI. Coming from npm i -g coderrr-cli ? Migration guide Reads your code, pulls relevant skills, writes requirements.md · design.md · tasks.md Nothing on disk has changed. Edit the spec files to steer the work, then approve — or decline and keep the plan. Write tools are absent from the model's tool list until you approve. Not a prompt instruction — the tool simply isn't there. The client is hand-written over httpx and asyncio — JSON-RPC 2.0 over Streamable HTTP and stdio. No SDK, no uvicorn in your CLI. One…from coderrr.aksn.fun
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