A catalog of ChatGPT & Codex plugins, sorted by people.
Best MCP servers & Codex plugins for planning
66 plugins in our catalog say they help with planning. Here are the top 12, editor's picks first, then by GitHub stars. Most of them sit in Agent Workflows and Review & Testing.
How to choose
- Match the host first: Codex and Claude Code install commands differ, and the install line below shows which one each project targets.
- Check where it runs. Hosted MCP endpoints are quicker to set up but send your requests to someone else's server.
- Prefer a recent push and a real license (MIT or Apache-2.0) for anything you'll use at work.
- Stars tell you how many people looked, not whether it works. Read the code before you install.
The list
1. claude-seo
SEO skill pack with 26 sub-skills and 19 specialist agents for technical SEO, schema, E-E-A-T, AI-search (GEO) and sitemap audits; built for Claude Code and documented to work with Codex CLI via AGENTS.md.
★ 29,569 · MIT · pushed 2026-11-15 (this week) · plugin, skills · by AgriciDaniel · alternatives
/plugin marketplace add AgriciDaniel/claude-seo
2. LinkedIn Skills
Codex-ready LinkedIn marketing bundle with a native .codex-plugin manifest and 10 skills: post writing with 16 tested hook formulas, AI-tell humanizer, pre-publish audit, comment and reply drafting, hook extraction, content planning, profile optimization, engager analytics, and thread monitoring; also works in Claude Code.
★ 5,930 · MIT · pushed 2026-11-10 (this week) · plugin, skills · by sergebulaev
codex plugin marketplace add sergebulaev/linkedin-skills
3. Aegis
An agentic skills framework & software development methodology that works: planning, TDD, debugging, and collaboration workflows.
★ 1,443 · MIT · pushed 2026-11-14 (this week) · skills · by GanyuanRan · alternatives
4. Antigravity Workspace Template
Multi-agent codebase knowledge graph generator with context-aware planning and automatic scope management — turns codebases into coherent agent workspaces.
★ 1,362 · MIT · pushed 2026-11-12 (this week) · plugin · by study8677
5. Education Agent Skills
131 evidence-based education skills for curriculum design, lesson planning, and assessment, with transparent evidence ratings and MCP server.
★ 986 · No license file · pushed 2026-11-03 (last 30 days) · MCP server, plugin, skills · by GarethManning · alternatives
/plugin install education-agent-skills --marketplace GarethManning/education-agent-skills
6. Digital Marketing Pro
Open-source AI marketing plugin for agencies — 154 skills, 25 specialist agents, 12-Part Strategy Flow, AEO/GEO, GSC AI Performance Report, Google Ads API v24, EU AI Act Article 50 / C2PA compliance.
★ 959 · MIT · pushed 2026-11-07 (last 30 days) · plugin, skills · by indranilbanerjee
claude plugin install digital-marketing-pro --marketplace indranilbanerjee/neels-plugins
7. spec-superflow
Lean spec workflow with direct or planned execution, optional specifications, one final review, recoverable state, a bundled same-version CLI, Windows-compatible Qoder/WorkBuddy installers, and a CatPaw (妙手) import-package preview.
★ 891 · MIT · pushed 2026-11-01 (last 30 days) · plugin · by MageByte-Zero
/plugin marketplace add MageByte-Zero/spec-superflow
8. Boss
BMAD pipeline plugin that orchestrates a full requirements-to-deploy workflow across nine specialist agents with an auditable runtime DAG and quality gates, for Claude Code, Codex, OpenClaw, and Antigravity.
★ 584 · MIT · pushed 2026-11-15 (this week) · plugin · by echoVic · alternatives
/plugin marketplace add echoVic/boss-skill
9. Story Skills
Fiction-writing skills for planning, drafting, and revising stories as markdown, with a dependency-free CLI that checks continuity: deaths, promise payoffs, open questions, and durable story state.
★ 417 · MIT · pushed 2026-11-14 (this week) · plugin, skills · by danjdewhurst
/plugin marketplace add danjdewhurst/story-skills
10. ztd charts
Library of 33 animated, accessible React charts in pure SVG, with a CLI and MCP server so AI agents can emit chart JSON specs.
★ 324 · MIT · pushed 2026-11-12 (this week) · MCP server · by junhan2
claude mcp add ztd-charts -- npx -y ztd-charts-mcp
11. X (Twitter) Skills
Codex-ready X (Twitter) marketing bundle with a native .codex-plugin manifest: tweet and thread writing with corpus-validated hook formulas (validated against ~450 top tweets), AI-tell humanizer, hook extraction, reply drafting, content planning, and audience insights; also works in Claude Code.
★ 179 · MIT · pushed 2026-11-11 (this week) · plugin, skills · by sergebulaev
codex plugin marketplace add sergebulaev/x-skills
12. Krypton
Goal-based planning and proof gate for Codex and Claude Code that turns requests into ownership, cutover, review-gate, and acceptance-evidence plans.
★ 130 · MIT · pushed 2026-07-24 (114 days ago) · plugin · by jturntdev · alternatives
codex plugin marketplace add \
Head-to-head
LinkedIn Skills vs X (Twitter) Skills
Matched by keywords in each project's own name and description. The topic comes from what people actually type into Google and Bing search boxes.
All comparisons and use cases →
Data from GitHub and each project's README, checked 2026-11-15. We haven't installed or audited these, and stars measure attention, not quality. Paid placements never change this page. Spot a mistake? hello@pickaplugin.com
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