json-schema-maker
Infer a JSON Schema from example JSON documents, marking which fields are required.
Install / Use
npx skills add gabrielmoreira/agent-skills-mirror --skill json-schema-makerInstalls into whichever agent you are using.
SKILL.md
Installable skill definition
Quality Score
Category
Content & MediaSupported Platforms
Tags
Our assessment of json-schema-maker
json-schema-maker scores 39/100 on our quality scale, 1155th of 1,176 Content & Media skills we index.
Its SKILL.md is 753 bytes long, split into 4 sections and no code examples: fairly brief, so expect to fill in details yourself.
It has no GitHub stars yet, so there is no community track record; judge it on its content.
Maintenance, license and trust
- We could not determine when the repository was last updated.
- No license is declared. By default that means all rights are reserved: you can read it, but reusing or redistributing it is not clearly permitted. Ask the author before building on it commercially.
- Its trust signals score 68/100, with 3 cautions from licensing, adoption, age or documentation. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.
Safety scan
No issues foundOur scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands.
Automated pattern scan on 2026-10-10. It catches known dangerous patterns, not every risk — read a skill before letting an agent act on it.
json-schema-maker compared with similar skills
All 4 of these similar skills score higher than json-schema-maker; compare them before choosing.
| Skill | Score | Stars | Updated | Format |
|---|---|---|---|---|
| json-schema-maker (this skill)by gabrielmoreira | 39 | 0 | — | SKILL.md |
| siyuanby siyuan-note | 100 | 46.7k | today | MCP Server |
| algorithmic-artby anthropics | 100 | 177.9k | 17d ago | SKILL.md |
| pptxby anthropics | 100 | 177.9k | 17d ago | SKILL.md |
| designby nextlevelbuilder | 100 | 133.6k | 7d ago | SKILL.md |
Frequently asked questions
- How do I install json-schema-maker?
- Run
npx skills add gabrielmoreira/agent-skills-mirror --skill json-schema-maker. The install tabs above show the steps for each supported agent. - Which AI agents does json-schema-maker work with?
- It is written for Universal, as a SKILL.md file. Other agents that read the same format can often use it too.
- Is json-schema-maker safe to use?
- Our scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands. It declares no license and scores 68/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
- Is json-schema-maker still maintained?
- We could not determine when the repository was last updated.
Skill content
View source on GitHubname: json-schema-maker description: "Infer a JSON Schema from example JSON documents, marking which fields are required."
Json Schema Maker
Infer a JSON Schema from example JSON documents, marking which fields are required.
When to use
Use this skill when the user asks for it by name or describes this task. Do not use it for unrelated work.
Steps
- Read the input the user points to. If none is given, ask for the file or text.
- Do the task described above, step by step, and keep the user's own wording where it matters.
- Show the result, then a short list of what you changed or found, so the user can check it.
Notes
- Keep changes small and reversible.
- Say plainly when the input is incomplete instead of guessing.
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Trust signals
From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.