Accesslint Diff
sickn33/agentic-awesome-skills
Diff a live page's accessibility violations against a baseline — by default compares uncommitted changes (stash-based), or pass --branch [<name] to diff against a branch.
Use the diffs tool to produce real, shareable diffs (viewer URL, file artifact, or both) instead of manual edit summaries.
MITAuto-check passed
Install Diffs
$ npx skills add openclaw/openclaw --skill diffs -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install openclaw/openclaw diffs --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/openclaw/openclaw.git skills-src && mkdir -p .claude/skills && cp -r skills-src/extensions/diffs/skills/diffs .claude/skills/diffs && 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 "diffs" agent skill from https://github.com/openclaw/openclaw/tree/main/extensions/diffs/skills/diffs into .claude/skills/diffs/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "diffs", 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/openclaw/openclaw/tree/main/extensions/diffs/skills/diffsType 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 openclaw/openclaw --skill diffs -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install openclaw/openclaw diffs --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/openclaw/openclaw.git skills-src && mkdir -p .agents/skills && cp -r skills-src/extensions/diffs/skills/diffs .agents/skills/diffs && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "diffs" agent skill from https://github.com/openclaw/openclaw/tree/main/extensions/diffs/skills/diffs into .agents/skills/diffs/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "diffs", 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 openclaw/openclaw --skill diffs -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install openclaw/openclaw diffs --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/openclaw/openclaw.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/extensions/diffs/skills/diffs .cursor/skills/diffs && 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 "diffs" agent skill from https://github.com/openclaw/openclaw/tree/main/extensions/diffs/skills/diffs into .cursor/skills/diffs/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "diffs", 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/openclaw/openclaw.git --path extensions/diffs/skills/diffs--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 openclaw/openclaw --skill diffs -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install openclaw/openclaw diffs --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/openclaw/openclaw.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/extensions/diffs/skills/diffs .gemini/skills/diffs && 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 "diffs" agent skill from https://github.com/openclaw/openclaw/tree/main/extensions/diffs/skills/diffs into .gemini/skills/diffs/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "diffs", 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 openclaw/openclaw diffsInstalls 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 openclaw/openclaw --skill diffs -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/openclaw/openclaw.git skills-src && mkdir -p .github/skills && cp -r skills-src/extensions/diffs/skills/diffs .github/skills/diffs && 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 "diffs" agent skill from https://github.com/openclaw/openclaw/tree/main/extensions/diffs/skills/diffs into .github/skills/diffs/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "diffs", 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 openclaw/openclaw --skill diffs -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install openclaw/openclaw diffs --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/openclaw/openclaw.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/extensions/diffs/skills/diffs .opencode/skills/diffs && 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 "diffs" agent skill from https://github.com/openclaw/openclaw/tree/main/extensions/diffs/skills/diffs into .opencode/skills/diffs/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "diffs", 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
diffs- GitHub stars
- 392k
- Used in
- 4 other repos
- Token cost
- ~461 tokens
- SKILL.md length
- 232 words
- Files
- 1
- Skills in repo
- 93
- Repo updated
- First seen
- Licence
- MIT
At a glance
Use the diffs tool to produce real, shareable diffs (viewer URL, file artifact, or both) instead of manual edit summaries.
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Diffs is an agent skill from openclaw/openclaw. Use the diffs tool to produce real, shareable diffs (viewer URL, file artifact, or both) instead of manual edit summaries.
Its SKILL.md is about 460 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
The repository describes itself as: The AI that really does things. Any OS. Any Platform. The lobster way. 🦞. The licence is MIT.
Example prompts
- “/diffs”
What it can do on your machine
Read from SKILL.md and the folder at commit 1eb5970. 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
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
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
Diffs loads about 461 tokens when it runs. Until then it costs about 32 tokens; SKILL.md has 232 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
The full file from openclaw/openclaw at commit 1eb5970, republished under its MIT licence (© openclaw). 232 words, ~461 tokens.
Download SKILL.mdSave it as
.claude/skills/diffs/SKILL.md (or your agent's skills folder).- name
- diffs
- description
- Use the diffs tool to produce real, shareable diffs (viewer URL, file artifact, or both) instead of manual edit summaries.
When you need to show edits as a real diff, prefer the diffs tool instead of writing a manual summary.
The diffs tool accepts either before + after text, or a unified patch string.
Check details.changed: identical before/after input returns false without creating an artifact; rendered results return true.
Use mode=view when you want an interactive gateway-hosted viewer. After the tool returns, present details.viewerUrl with an available surface-presentation tool.
If the deployment uses a loopback trusted proxy (for example Tailscale Serve with gateway.trustedProxies including 127.0.0.1), raw loopback viewer requests can fail closed without forwarded client-IP headers. In that topology, prefer mode=file / mode=both, or use a configured viewerBaseUrl / explicit proxy/public baseUrl when you need a shareable viewer URL.
Use mode=file when you need a rendered file artifact. Set fileFormat=png (default) or fileFormat=pdf. The tool result includes details.filePath.
For large or high-fidelity files, use fileQuality (standard|hq|print) and optionally override fileScale/fileMaxWidth.
When you need to deliver the rendered file to a user or channel, do not rely on the raw tool-result renderer. Instead, use an available file-sending tool to send details.filePath as an attachment.
Use mode=both when you want both the gateway viewer URL and the rendered artifact.
If the user has configured diffs plugin defaults, prefer omitting mode, theme, layout, and related presentation options unless you need to override them for this specific diff.
Include path for before/after text when you know the file name.
© openclaw, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in extensions/diffs/skills/diffs of openclaw/openclaw.
Open the folder on GitHubat commit 1eb5970
Used in 4 other repositories
We found 4 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 4 other GitHub owners. This page covers the copy in openclaw/openclaw, which our catalogue first saw on October 8, 2026.
Compare with similar skills
Diffs 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 |
|---|---|---|---|---|---|---|
| Diffs this skillopenclaw/openclaw | 392k | 4 repos | ~461 | Automated safety check: Pass | MIT | |
| Accesslint Diffsickn33/agentic-awesome-skills | 47k | 1 repos | ~1.2k | Automated safety check: Pass | MIT | |
| Diff Reviewnexu-io/open-design | 100k | — | ~508 | Automated safety check: Pass | Apache-2.0 | |
| Diff Analyzeruvnet/ruflo | 74k | — | ~450 | Automated safety check: Notes | MIT | |
| Developing PDF ViewerTriliumNext/Trilium | 38k | — | ~1.8k | Automated safety check: Pass | AGPL-3.0 | |
| Binary Diffsickn33/agentic-awesome-skills | 47k | 1 repos | ~2.1k | Automated safety check: Pass | MIT |
Similar skills
Diff Review
nexu-io/open-design
Render the patch-edit run's accumulated changes as a reviewable diff, surface it through a GenUI choice surface, and persist the user's accept / reject decision into the artifact manifest.
Diff Analyze
ruvnet/ruflo
Analyze git diffs for risk scoring, reviewer recommendations, and change classification.
Developing PDF Viewer
TriliumNext/Trilium
A skill your agent uses when changing Trilium's built-in PDF viewer — anything under packages/pdfjs-viewer (the code injected into Mozilla's PDF.js viewer: bootstrap.ts, annotations.ts, pages.ts…
Binary Diff
sickn33/agentic-awesome-skills
Cross-version binary symbol migration: diff updated binaries, recover function names without PDBs, and propagate annotations after software updates using BinDiff-style tooling.
Browser Screenshot Diff
ruvnet/ruflo
Visual + DOM diff between two recorded sessions at matching trajectory step ids; used for visual regression and replay verification
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Review, triage, repair, or land OpenClaw issues and pull requests with current-source evidence and the native maintainer workflow.
Browser Automation
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Clawsweeper
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Questions about Diffs
What does Diffs do?
Use the diffs tool to produce real, shareable diffs (viewer URL, file artifact, or both) instead of manual edit summaries. Diffs is an agent skill from openclaw/openclaw. Use the diffs tool to produce real, shareable diffs (viewer URL, file artifact, or both) instead of manual edit summaries.
How do I install Diffs in Claude Code?
Run `npx skills add openclaw/openclaw --skill diffs -a claude-code`. Or copy the skill folder (extensions/diffs/skills/diffs in openclaw/openclaw) into .claude/skills/diffs in your project. Claude Code loads it when a task matches its description.
How do I install Diffs in Codex?
Run `npx skills add openclaw/openclaw --skill diffs -a codex`. Or copy the skill folder (extensions/diffs/skills/diffs in openclaw/openclaw) into .agents/skills/diffs in your project. Codex loads it when a task matches its description.
Can I use Diffs 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 openclaw/openclaw --skill diffs -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/diffs, .gemini/skills/diffs, .github/skills/diffs and .opencode/skills/diffs in your project.
What does Diffs need to run?
SKILL.md names no scripts, command-line tools or credentials: Diffs is instructions for the agent only.
Does Diffs 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 Diffs 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 Diffs use?
Diffs is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Diffs use?
About 461 tokens (SKILL.md is roughly 1.8k 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 Diffs?
Skills that share tags, products or a category with Diffs: Accesslint Diff (sickn33/agentic-awesome-skills, 47k stars), Diff Review (nexu-io/open-design, 100k stars), Diff Analyze (ruvnet/ruflo, 74k stars) and Developing PDF Viewer (TriliumNext/Trilium, 38k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Diffs?
openclaw (a GitHub organization) maintains it in openclaw/openclaw, which has 391,610 GitHub stars. The repository holds 93 skills in this directory. The repository was last updated on October 8, 2026.
Source: openclaw/openclaw on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.