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building-with-typesafe-jev

v0.3.0

Unofficial Codex skill for building with TypeSafe AI's Jev: the typed Choice/Score/Noul API, calibrated-confidence routing, field-tested anti-patterns, and links to 150+ community projects sorted by implementation shape, with a code sketch per pattern.

CodexClaude Code1 Skill

By aaddrickLicense: MIT138 GitHub starsUpdated 2 weeks ago

Directory evidence

Runtimes
Codex and Claude Code
Parsed components
1 skill or MCP entry
Source updated
Oct 1, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install building-with-typesafe-jev for Codex and Claude Code

Installs for the current user
codex plugin marketplace add IchenDEV/agent-plugin-mkt
codex plugin marketplace upgrade agent-plugin-marketplace
codex plugin add building-with-typesafe-jev@agent-plugin-marketplace

Paste and run these commands in a terminal with Codex. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/aaddrick/building-with-typesafe-jev

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The repository root is the plugin root.

Plugin files

building-with-typesafe-jev/
├── .codex-plugin/plugin.json
├── .claude-plugin/plugin.json
└── skills/building-with-typesafe-jev/SKILL.md

Included Skills1

building-with-typesafe-jevskills/building-with-typesafe-jev/SKILL.md

Use when code needs a judgment about natural language that rules or regex cannot make (classify, route, triage, moderate, score, rank, match, dedupe, filter, extract, verify, or gate an action), when brainstorming where AI could fit in an app, when an LLM call exists only to pick a label, score, or yes/no, or when code uses TypeSafe AI, Jev, System One, typesafe-sdk, or @typesafe-ai/sdk.

Plugin manifests2

.codex-plugin/plugin.json
{
  "name": "building-with-typesafe-jev",
  "version": "0.3.0",
  "description": "Unofficial Codex skill for building with TypeSafe AI's Jev: the typed Choice/Score/Noul API, calibrated-confidence routing, field-tested anti-patterns, and links to 150+ community projects sorted by implementation shape, with a code sketch per pattern.",
  "author": {
    "name": "aaddrick",
    "url": "https://github.com/aaddrick"
  },
  "homepage": "https://github.com/aaddrick/building-with-typesafe-jev",
  "repository": "https://github.com/aaddrick/building-with-typesafe-jev",
  "license": "MIT",
  "keywords": [
    "typesafe",
    "jev",
    "system-one",
    "classification",
    "structured-output",
    "codex"
  ],
  "skills": "./skills/",
  "interface": {
    "displayName": "Building with TypeSafe Jev",
    "shortDescription": "Typed decisions with calibrated confidence",
    "longDescription": "Write correct TypeSafe Jev integrations: pick Choice, Score, or Noul; batch speculative questions in one call; route on calibrated confidence; avoid the known failure modes; and find prior art among 150+ linked community projects, each pattern with a code sketch, before designing something new.",
    "developerName": "aaddrick",
    "category": "Coding",
    "capabilities": [
      "Instructions"
    ],
    "websiteURL": "https://github.com/aaddrick/building-with-typesafe-jev",
    "defaultPrompt": [
      "Use building-with-typesafe-jev to replace this LLM classification call with Jev.",
      "Find prior art for a Jev-powered design before we build it.",
      "Review this Jev integration against the skill's rules."
    ],
    "brandColor": "#B45309"
  }
}
.claude-plugin/plugin.json
{
  "name": "building-with-typesafe-jev",
  "version": "0.3.0",
  "description": "Unofficial Claude Code skill for building with TypeSafe AI's Jev: the typed Choice/Score/Noul API, calibrated-confidence routing, field-tested anti-patterns, and links to 150+ community projects sorted by implementation shape, with a code sketch per pattern.",
  "author": {
    "name": "aaddrick",
    "url": "https://github.com/aaddrick"
  },
  "homepage": "https://github.com/aaddrick/building-with-typesafe-jev",
  "repository": "https://github.com/aaddrick/building-with-typesafe-jev",
  "license": "MIT",
  "keywords": [
    "typesafe",
    "jev",
    "system-one",
    "classification",
    "structured-output",
    "agent-skill"
  ]
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[building-with-typesafe-jev on Agent Plugins Marketplace](https://pluginsmp.com/plugins/building-with-typesafe-jev)