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mylesmcook/mcook-plugin-builder

v0.2.4MIT

Build portable Agent Plugins and OpenAI-compatible plugins for Myles Codex Plugins.

Changelog

0.2.4 - 2026-11-08

  • Add an explicit Claude manifest for claude.ai marketplace synchronization.

0.2.3 - 2026-10-10

  • Require Agent Plugins conformance before release, with validation evidence for the exact release candidate.
  • Require explicit native-only exception documentation covering the client limitation, compatibility limits, reproducible evidence, native checks, and the condition for reconsidering portability.

0.2.2 — 2026-10-04

  • Validate safe pinned external Git catalog sources alongside contained local entries.
  • Add metadata-only entry validation without claiming portable-package validation.
  • Add cross-platform synthetic regression coverage and document isolated-install migration checks.

0.2.1 - 2026-08-27

  • Accept Codex's versioned <plugin>/<version>/ installed-cache layout during portable package validation while retaining strict source-directory identity checks.
  • Add installed-cache coverage and document direct validation of installed package bytes.

0.2.0 - 2026-08-07

  • Added portable Agent Plugins 1.0.0 as an explicit package target with canonical root manifests and fixed component discovery.
  • Added bundled canonical schemas and an uv-native validator for schema, path, MCP transport, secret, OpenAI overlay, and marketplace conformance.
  • Added a portable-plus-OpenAI target and migrated the builder package itself to that layout.
  • Added an explicit MCP 2026-07-28 compatibility gate covering Codex opt-in, discovery, stateless metadata, multi-round input, pagination, caching, subscriptions, and deprecations.
  • Removed machine-specific validation paths in favor of active skill roots and cross-platform uv run commands.

0.1.1 - 2026-07-27

  • Aligned package guidance with the current OpenAI plugin architecture and public-submission boundary.
  • Added focused skill-activation coverage and forward-compatible app-component validation guidance.
  • Replaced the retired plugin documentation link.

0.1.0 - 2026-07-10

  • Added the initial repo-native Codex plugin creation workflow.
  • Added marketplace registration, validation, provenance, and publication guidance.