Agent skill

Review Image

by mizchi in mizchi/skills

Review screenshots or other images with OpenRouter vision models via bundled Deno scripts.

No licenceAuto-check passedAI & LLM Engineering

Install Review Image

skills CLI
$ npx skills add mizchi/skills --skill review-image -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install mizchi/skills review-image --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/mizchi/skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/review-image .claude/skills/review-image && rm -rf skills-src

Use ~/.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/

Facts

Skill name
review-image
GitHub stars
360
Token cost
~1.3k tokens
SKILL.md length
451 words
Files
7 (incl. scripts)
Skills in repo
69
Repo updated
First seen
Licence
None found

At a glance

Review screenshots or other images with OpenRouter vision models via bundled Deno scripts.

  • Quick VRT sanity checks
  • SKILL.md covers When to use, Requirements, Invocation and Scripts, plus 2 more sections
  • Runs TypeScript scripts from its folder; calls deno; needs OPENROUTER_API_KEY and OPENROUTER_KEY
  • Invalid-image screening

What it does

Review Image is an agent skill from mizchi/skills. Review screenshots or other images with OpenRouter vision models via bundled Deno scripts. Use for quick VRT sanity checks, invalid-image screening, or CI gates. scripts/review-image.ts returns freeform feedback; scripts/review-image-ci.ts returns strict pass|fail JSON and exits non-zero on fail.

Its SKILL.md is about 1.3k tokens, which your agent loads only when the skill is triggered. The skill folder holds 8 other files, including scripts (for example `README.md`, `agents/openai.yaml` and `scripts/review-image-ci.ts`).

It sits in AI & LLM Engineering, covering Model routing and gateways and Computer vision. It works with Deno and OpenRouter. The repository describes itself as: Agent skills by mizchi, distributed via APM.

When your agent uses it

  • Quick VRT sanity checks
  • Invalid-image screening

Example prompts

  • “/review-image”

Requirements

  • Node.js
  • A credential in OPENROUTER_API_KEY
  • A credential in OPENROUTER_KEY

What it can do on your machine

Read from SKILL.md and the folder at commit 62f5808. 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

    Ships 4 files in scripts/ (TypeScript), which the agent can run.

    Shell commands in SKILL.md call:

    • deno

    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 these keys or tokens, usually read from environment variables:

    • OPENROUTER_API_KEY
    • OPENROUTER_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Review Image loads about 1.3k tokens when it runs. Until then it costs about 79 tokens; SKILL.md has 451 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~79
When it runs · the whole SKILL.md, loaded when a task matches
~1.3k

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); the scripts in this folder are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 451 words (~1,271 tokens).

“Use this skill when you want a cheap vision-model opinion on an image before doing heavier work.”

— opening of SKILL.md by mizchi
name
review-image

Read the full SKILL.md on GitHub

Files

SKILL.md and 6 other files (scripts) in review-image of mizchi/skills.

  • SKILL.md
  • README.md
  • agents/openai.yaml
  • scripts/review-image-ci.ts
  • scripts/review-image-ci_test.ts
  • scripts/review-image.ts
  • scripts/review-image_test.ts

Open the folder on GitHubat commit 62f5808

Compare with similar skills

Review Image 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.

Review Image compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Review Image this skillmizchi/skills360—~1.3kAutomated safety check: PassNone
Embeddings via 9Routerdecolua/9router31k—~604Automated safety check: PassMIT
FreeRide Free Model ManagerShaivpidadi/FreeRide2382 repos~1.1kAutomated safety check: PassNone
Using Ccproxy Inspectorstarbaser/ccproxy350—~2.7kAutomated safety check: PassCustom licence
Outsourcereralexgreensh/outsourcerer171—~5.5kAutomated safety check: NotesCustom licence
Pinme LLMglitternetwork/pinme3.8k—~2.8kAutomated safety check: PassMIT

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Works with

Questions about Review Image

What does Review Image do?

Review screenshots or other images with OpenRouter vision models via bundled Deno scripts. Review Image is an agent skill from mizchi/skills. Review screenshots or other images with OpenRouter vision models via bundled Deno scripts.

When should I use Review Image?

Review Image fits situations like: quick VRT sanity checks; invalid-image screening.

How do I install Review Image in Claude Code?

Run `npx skills add mizchi/skills --skill review-image -a claude-code`. Or copy the skill folder (review-image in mizchi/skills) into .claude/skills/review-image in your project. Claude Code loads it when a task matches its description.

How do I install Review Image in Codex?

Run `npx skills add mizchi/skills --skill review-image -a codex`. Or copy the skill folder (review-image in mizchi/skills) into .agents/skills/review-image in your project. Codex loads it when a task matches its description.

Can I use Review Image 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 mizchi/skills --skill review-image -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/review-image, .gemini/skills/review-image, .github/skills/review-image and .opencode/skills/review-image in your project.

What does Review Image need to run?

Going by SKILL.md and its folder, Review Image needs TypeScript for the scripts in its folder, the command-line tools its instructions call (deno) and credentials named OPENROUTER_API_KEY and OPENROUTER_KEY. Our summary lists: Node.js; A credential in OPENROUTER_API_KEY; A credential in OPENROUTER_KEY.

Does Review Image 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 Review Image 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Review Image use?

No licence was found for Review Image or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Review Image use?

About 1.3k tokens (SKILL.md is roughly 5.1k 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 Review Image?

Skills that share tags, products or a category with Review Image: Embeddings via 9Router (decolua/9router, 31k stars), FreeRide Free Model Manager (Shaivpidadi/FreeRide, 238 stars), Using Ccproxy Inspector (starbaser/ccproxy, 350 stars) and Outsourcerer (alexgreensh/outsourcerer, 171 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Review Image?

mizchi (a GitHub user) maintains it in mizchi/skills, which has 360 GitHub stars. The repository holds 69 skills in this directory. The repository was last updated on October 2, 2026.

Source: mizchi/skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.