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Typesafe AI

Typesafe AI is an agent skill (a SKILL.md file) from typesafe-ai/skills. TypeSafe integration craft for System One models (sometimes called Decision Models) such as Jev, which answer typed questions about text, images, and application state with calibrated probabilities. It works with Claude Code and has 2,822 GitHub stars.

github.com/typesafe-ai/skills/skills/typesafe-ai (opens in a new tab)

Data as of from the GitHub API and skills.sh; description from the skill's SKILL.md. Report an error

View on GitHub (opens in a new tab)View on skills.sh (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add typesafe-ai/skills
/plugin install typesafe@typesafe-ai

In the Claude apps, zip the typesafe-ai folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/typesafe-ai/skills.git
cp -r skills/skills/typesafe-ai .agents/skills/typesafe-ai   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/typesafe-ai/skills.git
cp -r skills/skills/typesafe-ai .cursor/skills/typesafe-ai   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

TypeSafe integration craft for System One models (sometimes called Decision Models) such as Jev, which answer typed questions about text, images, and application state with calibrated probabilities. Use when building, reviewing, or debugging code that calls TypeSafe; when writing its questions or state; when replacing an LLM prompt-and-parse step, keyword matching, or a brittle heuristic with a typed question; or when brainstorming where programmable common sense fits in an app.

When it triggers

  • Use when building, reviewing, or debugging code that calls TypeSafe; when writing its questions or state; when replacing an LLM prompt-and-parse step, keyword matching, or a brittle heuristic with a typed question; or when brainstorming whe

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FAQ

Typesafe AI FAQ

Still curious? Email info@appsgit.com.

How do I install the Typesafe AI skill?

In Claude Code, run /plugin marketplace add typesafe-ai/skills and then /plugin install typesafe@typesafe-ai. For Codex or Cursor, copy the typesafe-ai folder into .agents/skills/ or .cursor/skills/.

Is the Typesafe AI skill free?

Yes. The repository is open source under the MIT license. The skill mentions an API key or token for an external service, which may need its own account.

Is Typesafe AI maintained?

The repository's most recent commit was on Oct 23, 2026. appsgit only lists skills from repositories with a commit in the last six months.