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skill CX Codex

dojo — Claude Code skill: what it does, how to install

Runs a background self-improvement loop using surplus model quota. It processes maintenance agendas in isolated worktrees via the ax tool.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add Necmttn/ax --skill dojo -a claude-code
Open on GitHub

What dojo does

The skill directs leftover plan quota toward background upkeep tasks. It pulls items from ax dojo agenda --json, allowing the agent to resolve pending verdicts, backtest routing rules, and draft upstream bug reports. In Claude Code, the routine operates dynamically via /loop, while in Codex it runs as a single turn.

Safety rails prevent runaway edits. All code experiments run inside isolated git worktree directories. The agent cannot modify the main branch directly and never merges branches autonomously. Changes reach production only as minted proposals awaiting human review.

Running this loop requires the ax (axctl) binary on your system PATH. A dedicated database server is not needed because the storage layer relies on embedded DuckDB.

What it helps with

  • consume surplus model quota on background evaluations
  • backtest routing policies against dispatch history
  • stage upstream bug drafts without publishing directly
  • isolate experimental edits within disposable git worktrees

Example prompts for the agent

  • /dojo
  • Train overnight and burn my surplus quota
  • Run the self-improvement loop with /loop /dojo

How to install dojo

1Skills CLI (Vercel)

npx skills add Necmttn/ax --skill dojo -a claude-code

2Manually: put the files in place

~/.claude/skills/dojo/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/dojo/

Step by step, with commands for each platform: How to install skills in Claude Code: five ways

Questions about dojo

How to install dojo in Claude Code?

Run npx skills add Necmttn/ax --skill dojo -a claude-code in your terminal.

What does the dojo skill do?

It spins up an autonomous agenda loop that consumes spare quota to optimize routing, settle verdicts, and propose workspace fixes.

What prerequisites does dojo require?

You must have the ax CLI (axctl) available on your PATH. It stores data in embedded DuckDB, so no standalone database daemon is required.

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