8,328 mods tagged anthropic that install into Codex, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.
Skill Claude CodeCodex
Audit Roblox Creator Store, Toolbox, inventory, group, universe, package, model, UI, gameplay, plugin-like, and other third-party imported assets for malicious or risky scripts. Use whenever Claude imports, inserts, reviews, or trusts Creator Store assets, especially assets with Scripts, LocalScripts, ModuleScripts…
MCP server Claude CodeCodexCursor +2
MCP server that fetches YouTube video transcripts and optionally summarizes them. Runs locally from the youtube-summarize Python package.
Skill Codex
Writing documents for agents. Use when creating or editing a skill, an AGENTS.md or CLAUDE.md, a subagent definition, a prompt file, or any doc an agent reaches through a pointer.
Skill Claude CodeCodex
Use when named delegation is a genuine option for current work, when preparing or reviewing a handoff, or when continuing delegated work to a verified outcome. It supplies context recovery, deliberate skill selection, necessary-only delegation, evidence requirements, and continuation discipline. Do not use for…
MCP server Claude CodeCodexCursor +2
Compile your own business capabilities from declarative YAML and serve them as MCP tools. Runs locally from the @archstone/cli npm package.
MCP server Claude CodeCodexCursor +2
MCP server "gleif-mcp-server" as configured in olgasafonova/gleif-mcp-server. Runs in Docker (ghcr.io/olgasafonova/gleif-mcp-server:0.9.0).
Skill Claude CodeCodex
Search MemStem — the unified memory index across all AI agents (Ari, Claude Code, future agents). Use for any retrieval-style question: past decisions, project status, skills lookup, prior work, 'what did we decide about X', 'do we have a skill for Y', 'what did the other agent do yesterday'. This skill owns the full…
akoskomuves/appstoreconnect-mcp
Skill Claude CodeCodex
Rebalance per-territory App Store subscription prices using a Purchasing Power Parity (PPP) index. Drives the appstoreconnect-mcp server through a dry-run → schedule → rollback flow with the standard gotchas baked in. Use when the user says "rebalance prices", "PPP pricing", "fix overpriced emerging-market prices", or…
MCP server Claude CodeCodexCursor +2
Runtime observability for AI agents — see exactly what your agent did, why it did it, and what it cost. Runs locally from the agentic-ledger Python package.
Skill Claude CodeCodex
Build one prioritized plan across a person's whole equity position - incentive stock options (ISOs), non-qualified stock options (NSOs), restricted stock units (RSUs), and held company stock - instead of answering one grant at a time. Use when someone has more than one grant type, asks "what should I do with my…
MCP server Claude CodeCodexCursor +2
AI-powered medical document management for cancer patients. Google Drive, Gmail, Calendar via MCP. Remote server at oncofiles.com.
Rorogogogo/workplace-english-wingman
Skill Claude CodeCodex
Improve, rewrite, and explain workplace English for an English-as-a-second-language professional in Australia. Use when the user asks to polish, fix, rewrite, improve, or check work emails, Slack or Teams messages, follow-ups, replies to managers or stakeholders, technical explanations, status updates, polite chasing…
Skill Claude CodeCodex
Detects whether a purchased AI API key/endpoint (Claude/Anthropic, OpenAI, etc.) — often bought cheap from a reseller or marketplace like GamsGo — is actually a man-in-the-middle proxy that intercepts, rewrites or degrades traffic. Trigger when the user says things like "I bought a third-party API key", "is this…
Skill Claude CodeCodex
Think clearly and decide well under uncertainty. Use this skill whenever you reason through a hard problem, analyze or critique an argument, evaluate a claim or a statistic, weigh evidence, forecast or estimate odds, make or pressure-test a decision, diagnose a recurring failure, red-team an idea, brainstorm or…
Alexander-Kz/video-layer-skill
Skill Claude CodeCodex
Produces whiteboard-explainer video layers from a voiceover MP3 for Your Channel YouTube channel (and similar faceless curiosity-essay channels). Orchestrates a multi-agent pipeline that transcribes the audio, plans rapid-cut scenes synchronized to narration, writes per-scene image prompts in fixed whiteboard style…
Skill Codex
Search local Claude Code, Codex, and Cursor user-prompt history (read-only). Use when you need a past prompt, want to grep coding-agent session text, or pipe prompt history as JSON.
kcmadden/claude-code-1password-skill
Skill Claude CodeCodex
Integrate 1Password secrets management into Claude Code workflows. Use when the user wants to: store API keys or credentials in 1Password, read secrets from 1Password into scripts or config, set up .env files using 1Password secret references, rotate or update credentials, manage developer secrets across projects, use…
Skill Claude CodeCodex
Build a new feature using strict test-driven development — UNDERSTAND → DESIGN → RED → VERIFY RED → GREEN → VERIFY GREEN → REFACTOR → VALIDATE → REPEAT. Use when building a new feature with TDD, when the user says "TDD this", "tests first", "red green refactor", or asks for feature work that needs to be verifiable…
Skill Claude CodeCodex
Use when a coding agent must turn a software goal, bug, issue, or refactor into a small, verified, independently reviewed code change.
Skill Claude CodeCodex
Turn an idea — or a half-planned project already underway — into a buildable blueprint, by interviewing the user one question at a time until the unknowns run out, then harvesting and verifying real open-source components for each part. Use this whenever someone describes something they want to build but has not…
smith-network-solutions/threadknot
Skill Claude CodeCodex
Create, read and edit Microsoft Excel .xlsx spreadsheets — data tables, formulas, multiple sheets, number formats, conditional formatting, charts, frozen panes and named ranges. Also covers reading an existing workbook to extract values or formulas, recalculating formulas so cached values are correct, converting to…
MCP server Claude CodeCodexCursor +2
MCP server "icd10-terminology" as configured in FareedKhan-dev/vellum. Runs icd10_coder.mcp.server with python. Needs 1 environment variable to run.
albertomf1979/wcag-accessibility-agent
Skill Claude CodeCodex
Experto en accesibilidad digital basado en los estándares oficiales W3C WAI (https://www.w3.org/WAI/). Úsalo SIEMPRE que el usuario mencione: accesibilidad, WCAG, A11y, contraste de color, lectores de pantalla, ARIA, roles semánticos, navegación por teclado, focus, skip links, alt text, captions, subtítulos…
Ishtiaqhossain/claude_stack_changes
Skill Claude CodeCodex
Splits a large change into small, single-purpose units of review — PRs, diffs, or CLs — each making one argument (one diff, one thesis) and each buildable and testable on its own. Use when a change is too big to review, when a feature builds on existing code, when working in a large monorepo with stacked diffs, or…
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: