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Official agent skill

Jqschema

by github in github/gh-aw

Infer JSON structure and types with jq-based schema discovery.

OfficialMITAuto-check passed

Install Jqschema

skills CLI
$ npx skills add github/gh-aw --skill jqschema -a claude-code

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

GitHub CLI
$ gh skill install github/gh-aw jqschema --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/github/gh-aw.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.github/skills/jqschema .claude/skills/jqschema && 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
jqschema
GitHub stars
5.3k
Token cost
~248 tokens
SKILL.md length
66 words
Files
3
Skills in repo
52
Repo updated
First seen
Licence
MIT

At a glance

Infer JSON structure and types with jq-based schema discovery.

  • Runs Shell scripts from its folder; calls gh

What it does

Jqschema is an agent skill from github/gh-aw, published by the product's own GitHub organization. Infer JSON structure and types with jq-based schema discovery.

Its SKILL.md is about 250 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `jqschema.sh` and `ssl.json`).

It works with GitHub. The repository describes itself as: GitHub Agentic Workflows. The licence is MIT.

Example prompts

  • “/jqschema”

Requirements

  • A Bash shell

What it can do on your machine

Read from SKILL.md and the folder at commit eb63040. 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 script files (Shell), which the agent can run.

    Shell commands in SKILL.md call:

    • gh

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use gh, 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

Jqschema loads about 248 tokens when it runs. Until then it costs about 18 tokens; SKILL.md has 66 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~18
When it runs · the whole SKILL.md, loaded when a task matches
~248

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 github/gh-aw at commit eb63040, republished under its MIT licence (© github). 66 words, ~248 tokens.

Download SKILL.mdSave it as .claude/skills/jqschema/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
jqschema
description
Infer JSON structure and types with jq-based schema discovery.
tools.bash
jq *, ./.github/skills/jqschema/jqschema.sh, git

jqschema - JSON Schema Discovery

Use ./.github/skills/jqschema/jqschema.sh to generate a compact structural schema (keys + types) from JSON input. Pipe any JSON source through it to discover structure before querying full data.

bash
# Analyze a file or command output
cat data.json | ./.github/skills/jqschema/jqschema.sh
gh api search/repositories?q=language:go | ./.github/skills/jqschema/jqschema.sh

The script replaces object values with type names ("string", "number", "boolean", "null"), reduces arrays to first-element structure, and outputs compact JSON. Use perPage: 1 to fetch minimal data when exploring unknown API shapes.

Example: {"total_count":1000,"items":[{"login":"user1","id":123}]} → {"total_count":"number","items":[{"login":"string","id":"number"}]}

© github, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 2 other files in .github/skills/jqschema of github/gh-aw.

  • SKILL.md
  • jqschema.sh
  • ssl.json

Open the folder on GitHubat commit eb63040

Compare with similar skills

Jqschema 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.

Jqschema compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Jqschema this skillgithub/gh-aw5.3k—~248Automated safety check: PassMIT
PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Diagnosing Superpowers Sessionsobra/superpowers296k3 repos~1.7kAutomated safety check: PassMIT
GitHub Deep Researchbytedance/deer-flow83k5 repos~1.3kAutomated safety check: PassMIT
Greplooponyx-dot-app/onyx32k4 repos~3.3kAutomated safety check: PassMIT
Update V8 Versionopeninterpreter/openinterpreter69k2 repos~845Automated safety check: PassApache-2.0

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Works with

Questions about Jqschema

What does Jqschema do?

Infer JSON structure and types with jq-based schema discovery. Jqschema is an agent skill from github/gh-aw, published by the product's own GitHub organization. Infer JSON structure and types with jq-based schema discovery.

How do I install Jqschema in Claude Code?

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

How do I install Jqschema in Codex?

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

Can I use Jqschema 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 github/gh-aw --skill jqschema -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/jqschema, .gemini/skills/jqschema, .github/skills/jqschema and .opencode/skills/jqschema in your project.

What does Jqschema need to run?

Going by SKILL.md and its folder, Jqschema needs a shell for the scripts in its folder and the command-line tools its instructions call (gh). Our summary lists: A Bash shell.

Does Jqschema access the network?

SKILL.md contains no URLs. Its commands use gh, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Jqschema 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 Jqschema use?

Jqschema 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 Jqschema use?

About 248 tokens (SKILL.md is roughly 992 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 Jqschema?

Skills that share tags, products or a category with Jqschema: PR Babysitter (openinterpreter/openinterpreter, 69k stars), Diagnosing Superpowers Sessions (obra/superpowers, 296k stars), GitHub Deep Research (bytedance/deer-flow, 83k stars) and Greploop (onyx-dot-app/onyx, 32k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Jqschema?

github (a GitHub organization, an official publisher) maintains it in github/gh-aw, which has 5,350 GitHub stars. The repository holds 52 skills in this directory. The repository was last updated on October 7, 2026.

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