AgentPM™

lint#

Validate your agent.json (or a folder of manifests) against the AgentPM schema and common best practices.

Overview#

agentpm lint checks schema conformance and common pitfalls. It can print results in multiple formats, optionally treat warnings as errors, and (lightly) auto-fix a few safe issues.

Command synopsis#

agentpm lint [PATHS...] [--schema <URL|PATH>] [--strict] [--format <pretty|json|ndjson>] [--fix]

Arguments#

  • PATHS (default: ./agent.json). Files/dirs/globs to lint. Directories are scanned recursively for agent.json.
  • --schema <URL|PATH>. Override the default schema URL (useful for pinning or testing a local schema).
  • --strict. Treat warnings as errors (schema violations are always errors).
  • --format <pretty|json|ndjson> (default: pretty). Choose human-readable output or machine-friendly JSON/NDJSON.
  • --fix. Attempt non-invasive automatic fixes (currently: inject $schema if missing).
Tip

Use --format=json or --format=ndjson in CI and parse the result for gating.

Examples#

Lint the current manifest#

agentpm lint

Sample output (missing description):

✗ agent.json
  [ERROR] "description" is a required property
        vs schema  /required
Error: Lint failed

Lint multiple paths (file + directory + glob)#

agentpm lint agent.json .agentpm/tools/**/agent.json

Use a custom schema#

agentpm lint --schema ./schemas/dev.agentpm.schema.json

Strict mode (warnings become errors)#

agentpm lint --strict

Machine-readable output#

agentpm lint --format=json
[
  {
    "file": "agent.json",
    "ok": false,
    "issues": [
      {
        "file": "agent.json",
        "level": "error",
        "message": "\"description\" is a required property",
        "instance_path": "",
        "schema_path": "/required"
      }
    ]
  }
]
Error: Lint failed

Auto-fix safe issues#

agentpm lint --fix
# currently adds a $schema field if it's missing

How lint classifies issues#

Always errors (schema violations):

  • Any JSON Schema validation failure. (Example: "description" is a required property)

Warnings (unless --strict):

  • Missing $schema. Message: Missing $schema; editors may lack IntelliSense.
  • Empty description. Message: description should not be empty.

Semantic error checks (beyond schema):

  • Interpreter mismatch between runtime.type and entrypoint.command. Error message example: runtime.type should match entrypoint.command (python vs node).
Why this matters

Lint catches issues early so installs and publishes are predictable. agentpm publish runs lint automatically and will block the publish on any lint errors.

Exit codes#

  • 0 — All checked manifests passed (no errors; warnings allowed unless --strict).
  • 1 — Lint failed (any error, or any warning when --strict is set).
  1. Run agentpm lint locally during development.
  2. Use agentpm lint --format=json in CI to gate merges.
  3. Add --strict for release branches to enforce clean manifests.
  4. Let --fix add $schema automatically; commit the change.

Notes & gotchas#

  • $schema field. Including $schema enables IDE IntelliSense and makes the schema version explicit. Lint will add it for you with --fix.
  • Globs & directories. When passing directories, ensure your shell doesn’t expand globs unexpectedly; quote them if needed (e.g., "tools/**/agent.json").
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