refactor SKILL.md skillA

refactor from doist/todoist-cli is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add doist/todoist-cli/refactor@git:20261105.582c0e7

Pins git:20261105.582c0e7 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
doist/todoist-cli
Path
.agents/skills/refactor/SKILL.md
Versions recorded
1
Latest version
git:20261105.582c0e7, committed Nov 5, 2026
Size
2,067 bytes
Repository stars
330
License
MIT

Changes the structure of code without changing its behaviour, with the current behaviour pinned by tests first. Use when asked to "refactor", "clean up", "simplify", "extract", "rename", "move" or "deduplicate" code, or when another task needs restructuring first.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Refactor

A refactor changes structure, not behaviour. Bugs included: if you find one, note it for a separate fix and keep it as it is.

## 1. Pin the current behaviour

Find the tests that cover the code at its public interface: the command run through `program.parseAsync(['node', 'td', ...])`, or the exported helper. Where a behaviour has no test, add one that passes **now**, asserting what the code does today. Run them. Done when every behaviour you will touch has a passing test.

## 2. Delete dead code first

Remove code nothing reaches, if you can prove it: no caller (`rg` for every name, including the lazy command registry in `src/index.ts` and `scripts/`). Run the tests. Done when they pass.

## 3. Move one concept at a time

Make one structural change, run the pinned tests, repeat. Migrate every caller and delete the old API; no shims left behind. Command names, flags, `--json` output shapes and error codes are what people's scripts and agents rely on, and `SKILL_CONTENT` documents them: keep them, or stop and ask (changing them is a breaking `feat!:` release). Done when the tests pass after each step and no caller uses the old shape.

## 4. Leave the tests alone
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add doist/todoist-cli/refactor@sha256:cfcb05e4d7da3861

The line at the top of this page pins the label git:20261105.582c0e7, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_yfzkn4cqttttlaig.svg)](https://markdownregistry.com/a/art_yfzkn4cqttttlaig)

2 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on Nov 5, 2026.

versioncommittedcommitsizeaudit
git:20261105.582c0e7 latest2026-11-05 582c0e7 2,067 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (2067 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

doist/todoist-cli · 330 stars · license MIT · pushed 2026-11-06 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_yfzkn4cqttttlaig
GET https://markdownregistry.com/api/v1/resolve?ref=doist/todoist-cli/refactor
GET https://markdownregistry.com/api/v1/blob/cfcb05e4d7da3861733927fd5aab370595184255c836068b34a77f6aee8c9747

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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