Cherry Studio PR Review
CherryHQ/cherry-studio
Reviews Cherry Studio branches, pull requests, commits, files and docs against the project's own architecture, naming, API-boundary and UI rules, report-only by default.
Validate an implemented React Doctor rule before merge. An agent skill from millionco/react-doctor.
Install Rule Validate
$ npx skills add millionco/react-doctor --skill rule-validate -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install millionco/react-doctor rule-validate --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/millionco/react-doctor.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/rule-validate .claude/skills/rule-validate && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "rule-validate" agent skill from https://github.com/millionco/react-doctor/tree/main/.agents/skills/rule-validate into .claude/skills/rule-validate/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "rule-validate", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/millionco/react-doctor/tree/main/.agents/skills/rule-validateType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add millionco/react-doctor --skill rule-validate -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install millionco/react-doctor rule-validate --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/millionco/react-doctor.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/rule-validate .agents/skills/rule-validate && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "rule-validate" agent skill from https://github.com/millionco/react-doctor/tree/main/.agents/skills/rule-validate into .agents/skills/rule-validate/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "rule-validate", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add millionco/react-doctor --skill rule-validate -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install millionco/react-doctor rule-validate --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/millionco/react-doctor.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/rule-validate .cursor/skills/rule-validate && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "rule-validate" agent skill from https://github.com/millionco/react-doctor/tree/main/.agents/skills/rule-validate into .cursor/skills/rule-validate/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "rule-validate", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/millionco/react-doctor.git --path .agents/skills/rule-validate--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add millionco/react-doctor --skill rule-validate -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install millionco/react-doctor rule-validate --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/millionco/react-doctor.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/rule-validate .gemini/skills/rule-validate && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "rule-validate" agent skill from https://github.com/millionco/react-doctor/tree/main/.agents/skills/rule-validate into .gemini/skills/rule-validate/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "rule-validate", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install millionco/react-doctor rule-validateInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add millionco/react-doctor --skill rule-validate -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/millionco/react-doctor.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/rule-validate .github/skills/rule-validate && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "rule-validate" agent skill from https://github.com/millionco/react-doctor/tree/main/.agents/skills/rule-validate into .github/skills/rule-validate/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "rule-validate", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add millionco/react-doctor --skill rule-validate -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install millionco/react-doctor rule-validate --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/millionco/react-doctor.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/rule-validate .opencode/skills/rule-validate && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "rule-validate" agent skill from https://github.com/millionco/react-doctor/tree/main/.agents/skills/rule-validate into .opencode/skills/rule-validate/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "rule-validate", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
rule-validate- GitHub stars
- 15k
- Token cost
- ~829 tokens
- SKILL.md length
- 324 words
- Files
- 1
- Skills in repo
- 13
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Validate an implemented React Doctor rule before merge. An agent skill from millionco/react-doctor.
- Tasks that involve Code review
- SKILL.md covers Review the implementation, Run validation, Prepare release artifacts and Handle review findings, plus 1 more section
- Calls bunx
- Tasks that involve Pull requests
What it does
Rule Validate is an agent skill from millionco/react-doctor. Validate an implemented React Doctor rule before merge. Use after focused tests pass to review detector correctness, inspect open-source hits, run pull request parity, add regression coverage, prepare a changeset, write pull request copy, or address review findings.
Its SKILL.md is about 830 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Development, covering Code review and Pull requests. It works with React. The repository describes itself as: Your agent writes bad React. This catches it.
When your agent uses it
- Tasks that involve Code review
- Tasks that involve Pull requests
Example prompts
- “/rule-validate”
What it can do on your machine
Read from SKILL.md and the folder at commit 3c668e1. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
bunx
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use bunx, which can reach the network depending on how they are called.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Rule Validate loads about 829 tokens when it runs. Until then it costs about 70 tokens; SKILL.md has 324 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 324 words (~829 tokens).
“Verify that the implementation matches its rule-research contract on tests and real code.”
- name
- rule-validate
Files
Just SKILL.md in .agents/skills/rule-validate of millionco/react-doctor.
Open the folder on GitHubat commit 3c668e1
Compare with similar skills
Rule Validate next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Rule Validate this skillmillionco/react-doctor | 15k | — | ~829 | Automated safety check: Pass | Custom licence | |
| Cherry Studio PR ReviewCherryHQ/cherry-studio | 52k | — | ~3.9k | Automated safety check: Pass | AGPL-3.0 | |
| Code Reviewnteract/semiotic | 2.7k | — | ~1.5k | Automated safety check: Pass | Apache-2.0 | |
| Code Review SkillRain-kl/OpenFlare | 288 | — | ~2.3k | Automated safety check: Notes | MIT | |
| Typescript React ReviewerSuFxGIT/scoutarr | 114 | — | ~1.7k | Automated safety check: Pass | None | |
| Create PRbeyonders-studio/initiative | 171 | — | ~2.7k | Automated safety check: Pass | AGPL-3.0 |
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Categories
Questions about Rule Validate
What does Rule Validate do?
Validate an implemented React Doctor rule before merge. An agent skill from millionco/react-doctor. Rule Validate is an agent skill from millionco/react-doctor. Validate an implemented React Doctor rule before merge.
When should I use Rule Validate?
Rule Validate fits situations like: tasks that involve Code review; tasks that involve Pull requests.
How do I install Rule Validate in Claude Code?
Run `npx skills add millionco/react-doctor --skill rule-validate -a claude-code`. Or copy the skill folder (.agents/skills/rule-validate in millionco/react-doctor) into .claude/skills/rule-validate in your project. Claude Code loads it when a task matches its description.
How do I install Rule Validate in Codex?
Run `npx skills add millionco/react-doctor --skill rule-validate -a codex`. Or copy the skill folder (.agents/skills/rule-validate in millionco/react-doctor) into .agents/skills/rule-validate in your project. Codex loads it when a task matches its description.
Can I use Rule Validate in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add millionco/react-doctor --skill rule-validate -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/rule-validate, .gemini/skills/rule-validate, .github/skills/rule-validate and .opencode/skills/rule-validate in your project.
What does Rule Validate need to run?
Going by SKILL.md and its folder, Rule Validate needs the command-line tools its instructions call (bunx).
Does Rule Validate access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Rule Validate safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Rule Validate use?
Rule Validate has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.
How many tokens does Rule Validate use?
About 829 tokens (SKILL.md is roughly 3.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Rule Validate?
Skills that share tags, products or a category with Rule Validate: Cherry Studio PR Review (CherryHQ/cherry-studio, 52k stars), Code Review (nteract/semiotic, 2.7k stars), Code Review Skill (Rain-kl/OpenFlare, 288 stars) and Typescript React Reviewer (SuFxGIT/scoutarr, 114 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Rule Validate?
millionco (a GitHub organization) maintains it in millionco/react-doctor, which has 14,971 GitHub stars. The repository holds 13 skills in this directory. The repository was last updated on October 7, 2026.
Source: millionco/react-doctor on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.