Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/muhiminosim/code-refactoring-skill/openhandsgit clone --depth 1 https://github.com/MuhiminOsim/code-refactoring-skillWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00000 | $0.00306 |
| Opus 5 | $0.00000 | $0.00153 |
| Sonnet 5 | $0.00000 | $0.00061 |
| Haiku 4.5 | $0.00000 | $0.00031 |
Grade A, and why
openhands scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Setup: OpenHands (formerly OpenDevin)
OpenHands is a fully autonomous agent with terminal access — it can run tests automatically, making it ideal for the full refactoring workflow with test-gating.
Via System Prompt Configuration
In config.toml (OpenHands config):
[core]
system_prompt = """
<paste PROMPT.md contents here>
"""
Or reference a file:
[core]
system_prompt_file = "/path/to/PROMPT.md"
Via Runtime Task Description
When starting a task, include the skill instructions in your initial message:
[paste PROMPT.md contents]
---
Now refactor the processOrder function in src/orders.ts. It's 200 lines and does too many things. Run tests after each step.
Why OpenHands Works Well
OpenHands has a full bash terminal — it can:
- Run your test suite after every edit
- Revert via
git checkouton failure - Grep for call sites before renaming
- Read multiple files in sequence
The skill's 5-phase process and rollback protocol map directly to what OpenHands can do autonomously.
Usage
Refactor src/orders.ts following safe refactoring practices:
1. Read the file
2. Detect code smells
3. Show me the plan
4. Execute one step at a time, running npm test after each change
5. Revert immediately if any test fails
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- yesterday First seen · 55 lines · 0 tokens per session scan A 244448a46bf4
openhands is an agent published in the GitHub repository MuhiminOsim/code-refactoring-skill (5 stars, last pushed 3mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 306 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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