@fieldtest/registry

Ready-made FieldTest checks, and the fieldtest CLI.

npm install @fieldtest/registry zod

Agent skills

npx fieldtest skills .claude/skills --profile claude-code

Checks every SKILL.md under the given folders:

• --profile spec (default): the Agent Skills specification: name (1–64 lowercase letters, digits, single hyphens, matching its folder), description (1–1024), compatibility (≤500), metadata (string to string), allowed-tools (string). Unknown keys are errors.
• --profile claude-code: the fields Claude Code accepts. Unknown keys are warnings with a "did you mean" (user-invokable → user-invocable), and a warning when description + when_to_use passes the 1,536-character listing limit.
• Both: invalid YAML (with a fix for unquoted colons), body over 500 lines or about 5,000 tokens, relative links that don't resolve, and copies of the same skill whose contents differ.

Exits 1 on errors. --json prints the full report; --errors-only hides warnings.

import { checkSkillTree } from "@fieldtest/registry";
const report = await checkSkillTree([".claude/skills"], { profile: "claude-code" });

Obsidian Bases

validateBasesMetadata, validateSystemSpecificMetadata, generateDefaultMetadata, and their zod schemas.

MIT