CSS At Property
thedaviddias/Front-End-Checklist
A skill your agent uses when implementing animated gradients, complex CSS transitions that involve custom property values, or building a typed design token system where custom property misuse should…
Guide for completing Coq proofs involving arithmetic properties like addition commutativity.
No licenceAuto-check passed
Install Prove Plus Comm
$ npx skills add lazyFrogLOL/Harness_Engineering --skill prove-plus-comm -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install lazyFrogLOL/Harness_Engineering prove-plus-comm --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/lazyFrogLOL/Harness_Engineering.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/prove-plus-comm .claude/skills/prove-plus-comm && 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 "prove-plus-comm" agent skill from https://github.com/lazyFrogLOL/Harness_Engineering/tree/master/skills/prove-plus-comm into .claude/skills/prove-plus-comm/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "prove-plus-comm", 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/lazyFrogLOL/Harness_Engineering/tree/master/skills/prove-plus-commType 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 lazyFrogLOL/Harness_Engineering --skill prove-plus-comm -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install lazyFrogLOL/Harness_Engineering prove-plus-comm --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/lazyFrogLOL/Harness_Engineering.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/prove-plus-comm .agents/skills/prove-plus-comm && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "prove-plus-comm" agent skill from https://github.com/lazyFrogLOL/Harness_Engineering/tree/master/skills/prove-plus-comm into .agents/skills/prove-plus-comm/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "prove-plus-comm", 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 lazyFrogLOL/Harness_Engineering --skill prove-plus-comm -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install lazyFrogLOL/Harness_Engineering prove-plus-comm --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/lazyFrogLOL/Harness_Engineering.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/prove-plus-comm .cursor/skills/prove-plus-comm && 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 "prove-plus-comm" agent skill from https://github.com/lazyFrogLOL/Harness_Engineering/tree/master/skills/prove-plus-comm into .cursor/skills/prove-plus-comm/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "prove-plus-comm", 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/lazyFrogLOL/Harness_Engineering.git --path skills/prove-plus-comm--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 lazyFrogLOL/Harness_Engineering --skill prove-plus-comm -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install lazyFrogLOL/Harness_Engineering prove-plus-comm --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/lazyFrogLOL/Harness_Engineering.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/prove-plus-comm .gemini/skills/prove-plus-comm && 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 "prove-plus-comm" agent skill from https://github.com/lazyFrogLOL/Harness_Engineering/tree/master/skills/prove-plus-comm into .gemini/skills/prove-plus-comm/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "prove-plus-comm", 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 lazyFrogLOL/Harness_Engineering prove-plus-commInstalls 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 lazyFrogLOL/Harness_Engineering --skill prove-plus-comm -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/lazyFrogLOL/Harness_Engineering.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/prove-plus-comm .github/skills/prove-plus-comm && 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 "prove-plus-comm" agent skill from https://github.com/lazyFrogLOL/Harness_Engineering/tree/master/skills/prove-plus-comm into .github/skills/prove-plus-comm/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "prove-plus-comm", 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 lazyFrogLOL/Harness_Engineering --skill prove-plus-comm -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install lazyFrogLOL/Harness_Engineering prove-plus-comm --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/lazyFrogLOL/Harness_Engineering.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/prove-plus-comm .opencode/skills/prove-plus-comm && 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 "prove-plus-comm" agent skill from https://github.com/lazyFrogLOL/Harness_Engineering/tree/master/skills/prove-plus-comm into .opencode/skills/prove-plus-comm/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "prove-plus-comm", 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
prove-plus-comm- GitHub stars
- 128
- Token cost
- ~1.2k tokens
- SKILL.md length
- 537 words
- Files
- 1
- Skills in repo
- 32
- Repo updated
- First seen
- Licence
- None found
At a glance
Guide for completing Coq proofs involving arithmetic properties like addition commutativity.
- Works in 5 steps: Understand the Proof Structure → Analyze the Proof State → Apply Standard Lemmas → …
- SKILL.md covers When to Use, Approach, Verification Strategy and Common Pitfalls, plus 1 more section
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Prove Plus Comm is an agent skill from lazyFrogLOL/Harness_Engineering. Guide for completing Coq proofs involving arithmetic properties like addition commutativity. This skill should be used when working on Coq proof files that require proving properties about natural number arithmetic using induction, particularly when lemmas like plusnO and plusnSm are involved.
Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
Example prompts
- “/prove-plus-comm”
Workflow steps
5 steps, taken from the step headings in SKILL.md.
- Understand the Proof Structure
- Analyze the Proof State
- Apply Standard Lemmas
- Rewrite Direction Convention
- Standard Proof Pattern for Addition Commutativity
What it can do on your machine
Read from SKILL.md and the folder at commit cae3b25. 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 (its code samples are coq).
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
Prove Plus Comm loads about 1.2k tokens when it runs. Until then it costs about 79 tokens; SKILL.md has 537 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
Without a licence we can't republish the file, so here is its outline and opening line. It has 537 words (~1,178 tokens).
“This skill provides guidance for completing Coq proofs involving arithmetic properties on natural numbers, particularly addition commutativity and related lemmas.”
- name
- prove-plus-comm
Files
Just SKILL.md in skills/prove-plus-comm of lazyFrogLOL/Harness_Engineering.
Open the folder on GitHubat commit cae3b25
Compare with similar skills
Prove Plus Comm 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 |
|---|---|---|---|---|---|---|
| Prove Plus Comm this skilllazyFrogLOL/Harness_Engineering | 128 | — | ~1.2k | Automated safety check: Pass | None | |
| CSS At Propertythedaviddias/Front-End-Checklist | 74k | — | ~602 | Automated safety check: Pass | MIT | |
| Proof Videoopenclaw/openclaw | 392k | — | ~2.4k | Automated safety check: Pass | MIT | |
| Internal Comms Anthropicsickn33/agentic-awesome-skills | 47k | 1 repos | ~702 | Automated safety check: Pass | Apache-2.0 | |
| Logical Propertiesthedaviddias/Front-End-Checklist | 74k | — | ~526 | Automated safety check: Pass | MIT | |
| Internal Commsalirezarezvani/claude-skills | 28k | — | ~3.4k | Automated safety check: Pass | MIT |
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Questions about Prove Plus Comm
What does Prove Plus Comm do?
Guide for completing Coq proofs involving arithmetic properties like addition commutativity. Prove Plus Comm is an agent skill from lazyFrogLOL/Harness_Engineering. Guide for completing Coq proofs involving arithmetic properties like addition commutativity.
How do I install Prove Plus Comm in Claude Code?
Run `npx skills add lazyFrogLOL/Harness_Engineering --skill prove-plus-comm -a claude-code`. Or copy the skill folder (skills/prove-plus-comm in lazyFrogLOL/Harness_Engineering) into .claude/skills/prove-plus-comm in your project. Claude Code loads it when a task matches its description.
How do I install Prove Plus Comm in Codex?
Run `npx skills add lazyFrogLOL/Harness_Engineering --skill prove-plus-comm -a codex`. Or copy the skill folder (skills/prove-plus-comm in lazyFrogLOL/Harness_Engineering) into .agents/skills/prove-plus-comm in your project. Codex loads it when a task matches its description.
Can I use Prove Plus Comm 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 lazyFrogLOL/Harness_Engineering --skill prove-plus-comm -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/prove-plus-comm, .gemini/skills/prove-plus-comm, .github/skills/prove-plus-comm and .opencode/skills/prove-plus-comm in your project.
What does Prove Plus Comm need to run?
SKILL.md names no scripts, command-line tools or credentials: Prove Plus Comm is instructions for the agent only.
Does Prove Plus Comm 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 Prove Plus Comm 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 Prove Plus Comm use?
No licence was found for Prove Plus Comm or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Prove Plus Comm use?
About 1.2k tokens (SKILL.md is roughly 4.7k 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 Prove Plus Comm?
Skills that share tags, products or a category with Prove Plus Comm: CSS At Property (thedaviddias/Front-End-Checklist, 74k stars), Proof Video (openclaw/openclaw, 392k stars), Internal Comms Anthropic (sickn33/agentic-awesome-skills, 47k stars) and Logical Properties (thedaviddias/Front-End-Checklist, 74k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Prove Plus Comm?
lazyFrogLOL (a GitHub user) maintains it in lazyFrogLOL/Harness_Engineering, which has 128 GitHub stars. The repository holds 32 skills in this directory. The repository was last updated on May 18, 2026.
Source: lazyFrogLOL/Harness_Engineering on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.