Everything for Codex

Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 281,573 indexed, measured the same four ways as everything else here.

memlab

505

facebook/memlab

MCP server Claude CodeCodexCursor +2 ✓ vendor

MCP server "memlab" as configured in facebook/memlab. Runs packages/mcp-server/bin/memlab-mcp.js with node. Needs 1 environment variable to run.

not rated 5.1k 6d ago A tokens not measured original MIT

creating-slides

506

dtyq/magic

Skill Claude CodeCodex

Slide/PPT creation skill that provides complete slide creation, editing, and management capabilities. Use when users need to create slides, make presentations, edit slide content, configure slide transitions, or manage slide projects. CRITICAL - When user message contains [@slideproject:...] mention, you MUST load…

not rated 5.1k +13 changed 13d ago A SkillSpector: warn 70 tokens

connect-agent

507

langwatch/langwatch

Skill Claude CodeCodex

Connect the codebase's AI agent to LangWatch agent simulations, so test suites run against the real agent process. Adds a small connect function beside the service startup that calls the agent already in the codebase, which opens an outbound connection and registers the agent with its environment and its run…

not rated 5.0k +12 changed 8d ago A SkillSpector: pass 102 tokens original Apache-2.0

mockserver

508

mock-server/mockserver-monorepo

MCP server Claude CodeCodexCursor +2

MCP server "mockserver" as configured in mock-server/mockserver-monorepo. Runs in Docker (docker.io/mockserver/mockserver:9.1.0).

not rated 5.0k +1 changed 12d ago A tokens not measured original Apache-2.0

skill-creator

509

OpenBMB/PilotDeck

Skill Claude CodeCodex

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

not rated 5.0k +36 yesterday A SkillSpector: warn 64 tokens AGPL-3.0

byterover

510

campfirein/byterover-cli

Skill Claude CodeCodex

You MUST use this skill for: (1) 'Show me how ByteRover works', 'walk me through ByteRover', tour, intro, walkthrough, or onboarding requests — runs a guided 90-second introduction; (2) gathering contexts before any work; (3) saving knowledge after any change. ByteRover stores and retrieves project patterns…

not rated 4.9k +4 4mo ago A 98 tokens archived

skill-creator

511

EvoScientist/EvoScientist

Skill Claude CodeCodex

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

not rated 4.9k +8 yesterday A SkillSpector: warn 63 tokens original Apache-2.0

brycewang-stanford/Auto-Empirical-Research-Skills

Skill Claude CodeCodex

Classical end-to-end empirical analysis workflow in the traditional Python econometric stack — pandas + numpy + scipy + statsmodels + linearmodels + pyfixest + rdrobust + econml + causalml + matplotlib/seaborn. Defaults to economics empirical-paper style (AER / QJE / AEJ) — every run produces a publication-ready…

not rated 4.9k +72 changed 2mo ago A SkillSpector: warn 780 tokens

lossless-claw

513

Martian-Engineering/lossless-claw

Skill Claude CodeCodex

Configure, diagnose, and use lossless-claw effectively in OpenClaw, with emphasis on key settings, summary health, and recall-tool usage.

not rated 4.9k +3 changed 2mo ago A Socket: passSnyk: passSkillSpector: pass 35 tokens original MIT

storage-retention

514

get-bb/bb

Skill Claude CodeCodex

Inspect machine storage, clean up files, and configure automatic thread archive or deletion.

not rated 4.9k +124 changed 11d ago A 20 tokens original MIT

varlock

515

dmno-dev/varlock

Skill Claude CodeCodex needs its repo

Secure environment variable management with Varlock. Use when handling secrets, API keys, credentials, or any sensitive configuration. Ensures secrets are never exposed in terminal, logs, or LLM context. Provides guidance around integrating varlock into a project, reading/editing .env.schema and other .env files…

not rated 4.9k +35 changed 28d ago A Socket: passSnyk: passSkillSpector: warn 109 tokens original MIT

content-planning

516

Agenta-AI/agenta

Skill Claude CodeCodex

Prioritize content opportunities or a small cluster and decide create versus update from business fit, demand evidence, existing coverage and proof.

not rated 4.9k +14 yesterday A 29 tokens

tsec-actions

517

oritera/Cairn

Skill Claude CodeCodex

A task-specific instruction for submitting a flag during a tsec CTF or penetration-testing competition. A CTF is a security contest where participants solve challenges and submit proof strings called flags.

not rated 4.9k +135 2mo ago A 26 tokens AGPL-3.0

openkb-deck-neon

518

VectifyAI/OpenKB

Skill Claude CodeCodex

A skill for creating a single-file HTML slide deck from content stored in OpenKB, a knowledge-base chat system. It defines a dark, high-tech visual style using neon colors, glow effects, and glass-like panels.

not rated 4.9k +17 3mo ago A SkillSpector: pass 173 tokens original Apache-2.0

frame-bold-poster

519

nexu-io/html-video

Skill Claude CodeCodex

A 1970s European editorial poster in motion — a red rule draws across, a giant tilted figure drops in, a three-line headline rises line-by-line, an italic serif standfirst fades.

not rated 4.8k +20 4mo ago A SkillSpector: pass 45 tokens original Apache-2.0

pipeline-conductor

520

kirodotdev/KiroCrew

Skill Claude CodeCodex

Operating procedure for the kirocrew-pipeline-conductor agent. Use when a pipeline conductor session is seeded, inspected or debugged. You MANAGE one issue/PR pipeline on one repo: two columns per item (session working? item solved?), send intent, never re-derive a red yourself.

not rated 4.8k +107 changed 2d ago A SkillSpector: warn 65 tokens original Apache-2.0

research-with-sources

521

inkeep/open-knowledge

Skill Claude CodeCodex

Investigate a topic against preserved sources and write a draft-status research article under research/ in a Knowledge Base project (the knowledge-base starter pack). Read when asked to research a topic, compare options, synthesize sources, gather evidence, or extend an existing research doc. Carries the full…

not rated 4.8k +40 changed 23d ago A SkillSpector: warn 136 tokens GPL-3.0

formkit

522

formkit/formkit

Skill Codex

Use when working with FormKit forms, validation, schema, or custom inputs in React, Vue, or Nuxt projects.

not rated 4.8k +1 yesterday A SkillSpector: warn 28 tokens original MIT

create-example

523

liveblocks/liveblocks

Skill Claude CodeCodex

Create a new Liveblocks example app for the gallery under examples/. Use when asked to build a new example, demo, or showcase app, or when restructuring an existing example. Covers scaffolding, gallery conventions (exampleId, examplePreview, database.ts, HelpButton), providers configuration, AI patterns, styling…

not rated 4.8k +5 yesterday A SkillSpector: warn 77 tokens

release

524

PrimeIntellect-ai/verifiers

Skill Claude CodeCodex

Release a stable verifiers version from main to PyPI and GitHub.

not rated 4.8k +8 changed 21d ago A SkillSpector: pass 17 tokens original MIT

panning-for-gold

525

NateBJones-Projects/OB1

Skill Claude CodeCodex

Use when processing voice transcripts, brain dumps, stream-of-consciousness notes, or any raw multi-topic capture. Extracts every idea thread, then evaluates each one with deep brainstorming, then captures results to Open Brain. Trigger on transcripts, exports, "process this", "pan for gold", "brain dump", "what did I…

not rated 4.8k +8 changed 2mo ago A 80 tokens

agentation

526

latitude-dev/latitude-llm

MCP server Claude CodeCodexCursor +2

MCP server for Agentation - visual feedback for AI coding agents. Runs locally from the agentation-mcp npm package.

not rated 4.7k +3 2d ago A Socket: warn tokens not measured original MIT

ondb

527

x-cmd/x-cmd

Skill Claude CodeCodex

A logical analysis and reasoning tool for AI. Use when decomposing documents into structured knowledge, querying entities and relations, validating consistency, or indexing files. Trigger on "remember", "what do I know about", "link X to Y", "show dependencies", "analyze this document", entity CRUD, or cross-skill…

not rated 4.7k +3 7d ago A SkillSpector: pass 71 tokens original Apache-2.0

taro-ui-guide

528

jd-opensource/taro-ui

Skill Claude CodeCodex

Guides installation, Taro config, styling, and usage of taro-ui (At components) for WeChat/Alipay/H5/RN. Use when building Taro apps with taro-ui, picking components, theming, i18n, or modifying packages/taro-ui source.

not rated 4.7k +2 1mo ago A SkillSpector: pass 66 tokens original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: