Skills for Codex

213,825 that install into Codex. Same mod, same page, whichever agent you run: a URL per tool would split one page into five that compete.

llm-prompt-optimizer

12169

tmolavi/mcp-agent-skills-hub

Skill Claude CodeCodex

Use when improving prompts for any LLM. Applies proven prompt engineering techniques to boost output quality, reduce hallucinations, and cut token usage.

not rated 8 10d ago A 35 tokens original MIT

flanliulf/aiforge

Skill Claude CodeCodex

Create system-level or epic-level test plans. Use when the user says "lets design test plan" or "I want to create test strategy".

not rated 8 3mo ago A 36 tokens copy · 78% MIT

oldwinter/skills

Skill Claude CodeCodex

Create product positioning and messaging frameworks with validation and iteration guidance.

not rated 8 today A 18 tokens

plan-ceo-review

12173

Samin12/skills

Skill Codex

CEO/founder-mode plan review. Rethink the problem, find the 10-star product, challenge premises, expand scope when it creates a better product. Four modes: SCOPE EXPANSION (dream big), SELECTIVE EXPANSION (hold scope + cherry-pick expansions), HOLD SCOPE (maximum rigor), SCOPE REDUCTION (strip to essentials). Use when…

not rated 8 26d ago A 136 tokens

oaf-memory

12174

rebel0789/Memory-Recall

Skill Claude CodeCodex

Build bounded Memory Recall semantic setup proposals from selected repository documentation. Trigger when the user says "map this project into OAF", "remember my decisions", "/oaf-memory", or sets up OAF memory on a repo.

not rated 8 1mo ago A 49 tokens original Apache-2.0

resonite-user

12175

sandraschi/resonite-mcp

Skill Claude CodeCodex

You are helping a human build, test, and animate content in a live Resonite session through resonite-mcp's ResoniteLink tools (resonitelink, src/resonitemcp/tools/resonitelink.py and depot.py). This is a task-oriented recipe skill; for the full tool/protocol reference see assets/prompts/system.md §5.9, and…

not rated 8 5d ago A 0 tokens original MIT

LeanAndMean/scramjet

Skill Claude CodeCodex

Use when creating, revising, reviewing, or diagnosing Scramjet commands and command sets.

not rated 8 yesterday A 27 tokens original Apache-2.0

teams-api

12177

Maxim-Mazurok/teams-api

Skill Claude CodeCodex

Use Microsoft Teams from a terminal or Node.js with teams-api. Use when an agent needs the CLI to read, search, download, send, edit, or delete Teams content, or needs the SDK for ad hoc analysis, custom automation, or application integration.

not rated 8 17d ago A 55 tokens original MIT

html-slides

12178

ontology-of-everything/SemanticSkills

Skill Codex

A workflow for creating a presentation as one self-contained HTML file sized for a 1920×1080 screen. It supports several visual styles and can export to PPTX when requested.

not rated 8 18d ago A 82 tokens original Apache-2.0

openobserve-telemetry

12179

seandkendall/kiro-config

Skill Claude CodeCodex

Instruments AWS serverless projects (API Gateway, Lambda, DynamoDB) to send full OpenTelemetry data — traces, metrics, and logs — to the shared OpenObserve instance on this account. Covers ADOT Lambda layer setup, OTLP endpoint (derived live from CloudFormation) and auth (single SSM SecureString parameter), API…

not rated 8 13d ago A 169 tokens original Apache-2.0

seeker-connect

12180

solana-mobile/solana-mobile-skills

Skill Claude CodeCodex

Connect a web dapp to the Seeker device's built-in wallet with Seeker Connect. Use when adding wallet connection, sign-in with Solana, message signing, or transaction signing to a website that runs in the browser on a Seeker phone, registering the "Seeker Connect" Wallet Standard wallet, choosing the Nostr relay for…

not rated 8 +2 4d ago A Socket: passSnyk: warn 94 tokens original Apache-2.0

hermeneutic-gate

12181

hermes-labs-ai/hermeneutic

Skill Claude CodeCodex

Run the hermeneutic deterministic English drift gate on an assistant draft before sending it when the draft contains numeric claims, completion language, universal quantifiers, or a summary of delegated work.

not rated 9 today A 46 tokens original Apache-2.0

dead-letter

12182

BigCactusLabs/dead-letter

Skill Claude CodeCodex

Convert .eml email files (Gmail, Outlook, Apple Mail, Thunderbird exports, email archives) to Markdown with YAML front matter for reading, summarizing, RAG, or building a local email archive. Use when a task involves a .eml file or folder, exported email, or turning email into Markdown. Runs locally via uvx or the…

not rated 8 changed 4d ago A 88 tokens

figmanage

12183

dannykeane/figmanage

Skill Claude CodeCodex

Manage Figma workspaces with the figmanage CLI or MCP. Use for locating and organizing files and projects, access reviews, teams, seats, onboarding, offboarding, cleanup, setup recovery, or handing a managed file to the official Figma MCP for design work.

not rated 8 7d ago A 57 tokens original MIT

coursework

12184

54yyyu/school-mcp

Skill Claude CodeCodex

Check the user's courses through the cw CLI — Canvas LMS (MIT, Columbia) plus Gradescope. Use for deadlines/homework due, course announcements, Canvas inbox messages from instructors, grades, course lists, downloading course files, or syncing deadlines to macOS Reminders. Not for HTML drawing.

not rated 8 +1 6d ago A 67 tokens

opensuse-packaging

12185

openSUSE/openSUSE-packaging-skill

Skill Claude CodeCodex

Authoring, modifying, reviewing or building openSUSE RPM packages — .spec and .changes files, osc / OBS, and the Git packaging workflow on src.opensuse.org (Gitea). Use for a .osc/ checkout or a .spec file; when the user mentions osc, OBS, rpmbuild, git-obs, tea, rpmlint or spec-cleaner; or asks to update, build…

not rated 8 changed today B 114 tokens original Apache-2.0

bsl-change-review

12186

AzeevAN/mcp-1c

Skill Claude CodeCodex

A review skill for proposed changes to BSL code, forms, and metadata in 1C systems. It produces either a visual code difference or a copyable guide for making the changes by hand.

not rated 8 +2 4d ago A 85 tokens original Apache-2.0

mintlify

12187

mintlify/mintlify-claude-plugin

Skill Claude CodeCodex

Comprehensive reference for building Mintlify documentation sites. Use when creating pages, configuring docs.json, adding components, setting up navigation, or working with API references. Routes to detailed reference files for all components and configuration options.

not rated 7 changed 4d ago A SkillSpector: pass 47 tokens original MIT

agentxflow-coordinator

12188

harlixay7/AgentXFlow

Skill Claude CodeCodex

Authoritative multi-agent engineering coordinator for parallel workflows with isolated Git worktrees, write scope locking, automated machine verification, and serialized FIFO merge queue.

not rated 7 +1 changed 3d ago A 35 tokens original MIT

dreaming

12189

Jeff-Kazzee/dreaming

Skill Claude CodeCodex

Background pattern-finding for a Zo Computer workspace, modeled on Anthropic's Dreaming feature for Claude Managed Agents (released 2026-05-06). Runs between sessions, reviews recent activity across projects plus Files, Skills, Personas, Rules, Automations, and hosted Sites, and surfaces cross-project bleed, drifted…

not rated 7 +1 4mo ago A 130 tokens original MIT

better-md-skill

12190

FrekiJoms/better-md-skill

Skill Claude CodeCodex

Improve, restructure, format, audit, and validate Markdown documents — READMEs, API docs, tutorials, specifications, changelogs, and technical documentation — using CommonMark and GitHub Flavored Markdown conventions, markdownlint-inspired checks, GitHub documentation style, and visual README design (technology icons…

not rated 7 1mo ago A 120 tokens original MIT

archilles-search

12191

kasssandr/archilles

Skill Claude CodeCodex

Use when answering questions from a research library through the ARCHILLES MCP tools — picking the right tool for the question, choosing search mode and filters, and turning [docN] markers into citations a reader can follow. Covers searchbookswithcitations, listbooksbyauthor, searchannotations, listtags and the…

not rated 7 changed 8d ago A SkillSpector: pass 71 tokens original MIT

drawio

12192

akiojin/skills

Skill Claude CodeCodex

Create and edit draw.io diagrams in XML format. Use when the user wants to create flowcharts, architecture diagrams, sequence diagrams, or any visual diagrams. Handles XML structure, styling, fonts (Noto Sans JP), arrows, connectors, and PNG export.

not rated 7 6mo ago A 55 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: