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. 414,595 indexed, measured the same four ways as everything else here.

mattpocock/skills

Skill Claude CodeCodex

Wire dependency-cruiser into a TypeScript repo so each package is a deep module, with implementation hidden in subfolders and reachable only through its entry-point files. User-invoked.

242k 7d ago A 45 tokens original MIT

NousResearch/hermes-agent

Instructions file CodexOpenCode

Instructions for NousResearch/hermes-agent, covering hermes agent - development guide, what hermes is, contribution rubric — what we want / what we don't, what we want and what we don't want (rejected even when well-built).

238k yesterday A 23,135 tokens original MIT

dcf-model

28

NousResearch/hermes-agent

Skill Claude CodeCodex

Build discounted cash flow valuation workbooks in Excel.

238k yesterday A 14 tokens original MIT

karpathy-guidelines

30

multica-ai/andrej-karpathy-skills

Skill Claude CodeCodex

Behavioral guidelines to reduce common LLM coding mistakes. Use when writing, reviewing, or refactoring code to avoid overcomplication, make surgical changes, surface assumptions, and define verifiable success criteria.

209k +240 4mo ago A 46 tokens

record-browser-gif

31

deepseek-ai/deepseek-harness

Skill Claude CodeCodex

Record browser or Web UI interaction demos as optimized GIFs using the available built-in browser, state-based frame capture, and deterministic encoding, then publish to a dedicated assets branch when the task includes attaching the GIF to a pull request. Use when asked to make, record, or generate a GIF that…

204k yesterday A 99 tokens original MIT

deepseek-ai/deepseek-harness

Instructions file CodexOpenCode

Instructions for deepseek-ai/deepseek-harness, covering agents.md, pre-release stance: foundation over blast radius, repository layout, commands and host sandbox failures.

204k yesterday A 3,721 tokens original MIT

deepseek-ai/deepseek-harness

Skill Claude CodeCodex

Create, modify, debug, or extend dynamic Cordis Plugins, including Host Services and Events, Client Slot and theme UI, Package-private Client-to-Host calls, dynamic Tools, version updates, approval failures, and runtime diagnostics. Use this Skill to route a user request to the correct platform and Inspect Provider…

204k yesterday A 80 tokens original MIT

deepseek-ai/deepseek-harness

Skill Claude CodeCodex

Use when creating, changing, or validating a Cordis composition for this harness — writing or editing an agent preset, adding or removing a plugin row, deciding whether something belongs to the host composition or to one session, checking whether a preset you authored actually mounts, or diagnosing a row that mounted…

204k yesterday A 69 tokens original MIT

n8n-io/n8n

Skill Claude CodeCodex

Authors a new Instance AI workflow eval case — written locally as JSON, calibrated against a real build, then pushed to the LangTracer suite CI runs — build cases, behaviour/process cases, credential cases, and seeded (mid-conversation) cases — with intent-driven expectations. Use when adding or changing an Instance…

203k 2d ago A 81 tokens

n8n:db-migrations

36

n8n-io/n8n

Skill Claude CodeCodex

Authors n8n database migrations. Use when creating or modifying files under packages/@n8n/db/src/migrations/, when the user asks to add a column, table, index, foreign key, or backfill, or when the user mentions DB migrations or TypeORM migrations.

203k 2d ago A 64 tokens

n8n:gh-stack

37

n8n-io/n8n

Skill Claude CodeCodex

Manage stacked branches and pull requests with the gh-stack GitHub CLI extension. Use when the user wants to create, push, rebase, sync, navigate, or view stacks of dependent PRs. Triggers on tasks involving stacked diffs, dependent pull requests, branch chains, or incremental code review workflows.

203k 2d ago A 69 tokens

n8n AGENTS.md

38

n8n-io/n8n

Instructions file CodexOpenCode

AGENTS.md instructions for n8n-io/n8n, covering agents.md, project overview, general guidelines, agent skills and claude code plugin and essential commands.

203k 2d ago A 4,296 tokens

anomalyco/opencode

Skill Claude CodeCodex

OpenCode Desktop should be RTL-aware. Use when implementing or reviewing RTL/LTR behavior in the web app, desktop app, CSS, menus, scrolling, resizing, icons, mixed-direction text, or Electron title bars.

203k +188 today A 48 tokens original MIT

opencode AGENTS.md

40

anomalyco/opencode

Instructions file CodexOpenCode

AGENTS.md instructions for anomalyco/opencode, covering branch names, commits and pr titles, style guide, general principles and destructuring.

203k +188 today A 1,893 tokens original MIT

agents-sdk

41

anomalyco/opencode

Skill Claude CodeCodex

Build AI agents on Cloudflare Workers using the Agents SDK. Load when creating stateful agents, durable workflows, real-time WebSocket apps, scheduled tasks, MCP servers, or chat applications. Covers Agent class, state management, callable RPC, Workflows integration, and React hooks.

203k +188 today A 59 tokens original MIT

cloudflare

42

anomalyco/opencode

Skill Claude CodeCodex

Comprehensive Cloudflare platform skill covering Workers, Pages, storage (KV, D1, R2), AI (Workers AI, Vectorize, Agents SDK), networking (Tunnel, Spectrum), security (WAF, DDoS), and infrastructure-as-code (Terraform, Pulumi). Use for any Cloudflare development task.

203k +188 today A 68 tokens original MIT

claw-code AGENTS.md

43

ultraworkers/claw-code

Instructions file CodexOpenCode

AGENTS.md instructions for ultraworkers/claw-code, covering project knowledge base, structure, where to look, code map and conventions.

195k +10 16d ago A 1,643 tokens original MIT

auto-perf-optimize

44

microsoft/vscode

Skill Claude CodeCodex

Run agent-driven VS Code performance or memory investigations. Use when asked to launch Code OSS, automate a VS Code scenario, run the Chat memory smoke runner, capture renderer heap snapshots, take workflow screenshots, compare run summaries, or drive a repeatable scenario before heap-snapshot analysis.

190k yesterday A 62 tokens original MIT

chat-perf

45

microsoft/vscode

Skill Claude CodeCodex

Run chat perf benchmarks and memory leak checks against the local dev build or any published VS Code version. Use when investigating chat rendering regressions, validating perf-sensitive changes to chat UI, or checking for memory leaks in the chat response pipeline.

190k yesterday A 51 tokens original MIT

microsoft/vscode

Skill Claude CodeCodex

Analyze V8/Chrome CPU profiles (.cpuprofile) and DevTools trace files (Trace-.json). Use when: profiling performance, investigating slow functions, comparing code paths, finding bottlenecks, analyzing timeToRequest, understanding call trees from sampling profiler data, analyzing layout/paint/rendering, investigating…

190k yesterday A 71 tokens original MIT

pr-address

47

Significant-Gravitas/AutoGPT

Skill Claude CodeCodex

Address PR review comments and loop until CI green and all comments resolved. TRIGGER when user asks to address comments, fix PR feedback, respond to reviewers, or babysit/monitor a PR.

187k 2d ago A 42 tokens

pr-polish

48

Significant-Gravitas/AutoGPT

Skill Claude CodeCodex

Alternate /pr-review and /pr-address on a PR until the PR is truly mergeable — no new review findings, zero unresolved inline threads, zero unaddressed top-level reviews or issue comments, all CI checks green, and two consecutive quiet polls after CI settles. Use when the user wants a PR polished to merge-ready…

187k 2d ago A 77 tokens