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.

perception-localize

529

dimensionalOS/dimos

Skill Claude CodeCodex

Locate objects with a running PerceptionLocalize stack over MCP (state, localize) - probe the machine, build the time window, watch labels on a schedule, narrow an object's position, change params per call, and tell where a failure comes from. Use whenever a blueprint with PerceptionLocalize and McpServer runs, such…

not rated 4.7k +14 changed yesterday A 86 tokens

playwright

530

amantus-ai/vibetunnel

MCP server Claude CodeCodexCursor +2

Lets the agent drive a real browser: open pages, click, type, take screenshots and read the accessibility tree, using Playwright. Runs locally from the @playwright/mcp npm package.

not rated 4.7k +2 3mo ago A tokens not measured copy · 100% MIT

zebbern/claude-code-guide

Skill Claude CodeCodex

This skill should be used when the user asks to "identify web application vulnerabilities", "explain common security flaws", "understand vulnerability categories", "learn about injection attacks", "review access control weaknesses", "analyze API security issues", "assess security misconfigurations", "understand…

not rated 4.7k +10 3d ago A SkillSpector: pass 114 tokens original MIT

LeagueAkari/LeagueAkari

Skill Claude CodeCodex

Use when creating, extending, refactoring, splitting, or reviewing League Akari main or renderer shards, including shard file organization, controller/loader/executor/handler boundaries, naming conventions, renderer TSX usage, platform guards, and public contract compatibility.

not rated 4.7k +30 5d ago A SkillSpector: warn 58 tokens original MIT

chinese-novelist

533

PenglongHuang/chinese-novelist-skill

Skill Claude CodeCodex

A skill for helping write Chinese novels, including stated writing principles, features, and a defined workflow.

not rated 4.7k +148 changed 17d ago A 66 tokens original MIT

arithmetic-evaluator

534

JetBrains/koog

Skill Claude CodeCodex ✓ vendor

Evaluate arithmetic expressions and return numeric results. Use when a user asks an arithmetic question, requests calculation, or provides a math expression involving numbers, parentheses, and arithmetic operators.

not rated 4.7k +7 2d ago A SkillSpector: pass 39 tokens original Apache-2.0

memgraph/memgraph

Skill Claude CodeCodex

Review code changes in Memgraph's storage layer, including MVCC, concurrency patterns, WAL, recovery, DDL operations, index/constraint management, delta chains, and skip list operations. Invoke for pull requests or changes to src/storage/v2/.

not rated 4.6k +11 yesterday A SkillSpector: warn 56 tokens

git-workflow

536

modelcontextprotocol/csharp-sdk

Skill Claude CodeCodex ✓ vendor

Follow this team's Git conventions for branching, commit messages, and pull requests.

not rated 4.6k +5 yesterday A 19 tokens

Unity-MCP

537

IvanMurzak/Unity-MCP

MCP server Claude CodeCodexCursor +2

MCP server "Unity-MCP" as configured in IvanMurzak/Unity-MCP. Runs in Docker (docker.io/ivanmurzakdev/unity-mcp-server:0.17.1). Needs 3 environment variables to run.

not rated 4.6k +29 yesterday A tokens not measured original Apache-2.0

ccgui-plugin-creator

538

zhukunpenglinyutong/desktop-cc-gui

Skill Claude CodeCodex

A plugin-building workflow for CC GUI, a desktop client that can be extended with plugins written as configuration or JavaScript modules.

not rated 4.6k +17 yesterday A 132 tokens original MIT

openmemory

539

CaviraOSS/OpenMemory

Skill Claude CodeCodex

Manage persistent memory via OpenMemory MCP. TRIGGER when: user says "remember this", "save to memory", "store this", "recall", "what do you remember about", "check memory", "forget this", "delete memory", "clean up memory", or when agent forms a stable conclusion worth persisting. DO NOT TRIGGER when: user refers to…

not rated 4.6k 19d ago A SkillSpector: warn 96 tokens original Apache-2.0

dagu

540

dagucloud/dagu

Skill Claude CodeCodex

Authors, validates, and troubleshoots Dagu DAG definitions and assists with Dagu CLI operations. Use when creating or debugging DAG YAML, choosing Dagu commands, or inspecting and managing DAGs and runs from the CLI.

not rated 4.5k +29 changed 4d ago A SkillSpector: pass 48 tokens GPL-3.0

microsoft/flint-chart

Skill Claude CodeCodex ✓ vendor

Use when: a Flint chart should respond to the reader (highlight, zoom, brush, legend toggle, reorder, annotate, explore, link charts); an application or an agent changes a mounted chart from outside or reads what it shows; or a gesture no preset gives must be built. Produce one valid interactionspec, one ChartUpdate…

not rated 4.5k +25 3d ago A 87 tokens original MIT

kungfu-systems/kungfu

Skill Claude CodeCodex

Discover the exact Kungfu Project, WorkConsole, WorkRef, Skill catalog, and Core Work state admitted to this Amp process.

not rated 4.5k +3 6d ago A SkillSpector: pass 32 tokens original Apache-2.0

observal-agents

543

Observal/Observal

Skill Claude CodeCodex

Creates, forks, authors, validates, publishes, updates, versions, pulls, archives, restores, transfers, and manages co-authors for Observal Agents. Use when the user wants to build or install an Agent, change an Agent definition, publish a draft, release a version, or manage Agent ownership.

not rated 4.5k changed 27d ago A SkillSpector: pass 69 tokens original Apache-2.0

k8s-agent-sandbox-mcp

544

kubernetes-sigs/agent-sandbox

Skill Claude CodeCodex

An MCP server skill for managing Kubernetes sandboxes. Enables creating, executing commands, managing files, and terminating instances via the official kubernetes-sigs/agent-sandbox MCP server.

not rated 4.5k +50 changed 17d ago B SkillSpector: warn 46 tokens original Apache-2.0

basicmachines-co/basic-memory

Skill Claude CodeCodex

Analyze a complete literary work into a structured Basic Memory knowledge graph: schema design, entity seeding, chapter-by-chapter processing, cross-referencing, and validation.

not rated 4.5k +68 changed 8d ago A Socket: passSnyk: warnSkillSpector: warn 38 tokens AGPL-3.0

rubyllm

546

crmne/ruby_llm

Skill Codex

Build and maintain Ruby or Rails applications with the RubyLLM AI framework. Use for chats, agents, tools, MCP servers, structured output, judgments, evaluations, media generation, transcription, OCR, moderation, embeddings, reranking, tracing, Rails integration, and RubyLLM upgrades; not for contributing to the…

not rated 4.5k +6 changed yesterday A 70 tokens original MIT

skill-creator

547

oracle-devrel/oracle-ai-developer-hub

Skill Claude CodeCodex

Create or update AgentSkills. Use when designing, structuring, or packaging skills with scripts, references, and assets.

not rated 4.5k +16 yesterday A SkillSpector: warn 28 tokens

gptme/gptme

Skill Claude CodeCodex

Classify codebases before modification to choose appropriate development approach.

not rated 4.5k +3 yesterday A SkillSpector: pass 16 tokens original MIT

short-drama

549

ZJU-REAL/Easel

Skill Claude CodeCodex needs its repo

A production workflow for making multi-episode AI short dramas, covering story planning, character consistency, scripts, generated video shots, voices, sound, subtitles, and final assembly.

not rated 4.5k +206 changed 25d ago A SkillSpector: pass 124 tokens original Apache-2.0

lesson

550

CortexReach/memory-lancedb-pro

Skill Claude CodeCodex

Store a lesson learned from the current conversation. Triggered by /lesson command. Use when Master signals that the recent conversation contains a pitfall, fix, or key insight that should be persisted to long-term memory.

not rated 4.4k +4 yesterday A Socket: passSnyk: passSkillSpector: pass 45 tokens

mcp

551

cloudflare/mcp-server-cloudflare

MCP server Claude CodeCodexCursor +2 ✓ vendor

MCP server "mcp", hosted remotely at docs.mcp.cloudflare.com, as configured in cloudflare/mcp-server-cloudflare.

not rated 4.4k +14 15d ago A tokens not measured original Apache-2.0

design-taste-frontend

552

archestra-ai/archestra

Skill Claude CodeCodex

Use for visual design direction on greenfield, user-facing surfaces — marketing and landing pages, generated apps, portfolio-style or standalone pages. NOT for routine Archestra platform UI work (dashboards, data tables, settings, forms, existing components) — use archestra-dev-frontend for that. Upstream intent…

not rated 4.4k +10 changed 5d ago A SkillSpector: warn 107 tokens

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: