8,394 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.
MCP server Claude CodeCodexCursor +2
MCP server that exposes your Steam library to Claude. Ask natural-language questions about your games. Runs locally from the steam-mcp npm package.
ByteOverDev/peak-window-mcp-app
MCP server Claude CodeCodexCursor +2
Ranks the best weather windows to climb any peak worldwide, on the sharpest regional model. Runs locally from the peak-window npm package.
MCP server Claude CodeCodexCursor +2
MCP server for fetching web URLs with token estimation, smart caching, and intelligent routing. Built for AI agents. Runs locally from the agentfetch-mcp Python package. Needs 3 environment variables to run.
Mrshahidali420/google-search-console-mcp
MCP server Claude CodeCodexCursor +2
Google Search Console MCP server: index status, discovery, request indexing, sitemap submission, and search analytics for Claude and other AI agents. Runs locally from the gsc-indexer-mcp Python package.
MCP server Claude CodeCodexCursor +2
Self-learning AI standards system - learns from corrections and auto-updates CLAUDE.md. Runs locally from the mcp-standards Python package.
MrRefactoring/atlassian-dc-mcp
MCP server Claude CodeCodexCursor +2
One of 3 in server.json
MCP server for Atlassian Bitbucket Data Center - interact with repositories and code. Runs locally from the bitbucket-datacenter-mcp npm package. Needs 4 environment variables to run.
MCP server Claude CodeCodexCursor +2
Open-source MCP server for Google Ads & Meta Ads — manage campaigns from any AI assistant. Runs locally from the adrex-ai npm package. Needs 2 environment variables to run.
Gremoryzlk/claude-warhammer-40k-skill
Skill Claude CodeCodex
Applies grimdark Warhammer 40K Imperium narration to EVERY response while this skill is enabled — all topics, all message lengths, not just 40k-related questions. Always consult and apply once active, until user disables it or asks for a plain answer.
MCP server Claude CodeCodexCursor +2
Lets the agent inspect and automate a live Chrome instance through the DevTools protocol: performance traces, network, console. Runs locally from the chrome-devtools-mcp npm package.
joshuafuller/atak-plugin-skill
Skill Claude CodeCodex
Use when building, debugging, testing, or shipping an ATAK (Android Team Awareness Kit) plugin - scaffolding from the SDK template, getting it to actually load on a device, running instrumented tests inside ATAK, and preparing a submission to TAK's third-party signing pipeline. Triggers on ATAK plugin work, "plugin…
novalidesignl-ship-it/fable-like-skill
Skill Claude CodeCodex
Fable-5-style engineering discipline for coding and multi-step work — act decisively when you have enough info, ground every progress claim in tool output, avoid over-engineering and unrequested cleanup, verify with fresh context, lead with the outcome. Plus general agent hygiene (know your tools first, gather context…
Skill Claude CodeCodex
Write and execute IBM SPSS Statistics syntax following SPSS conventions and run SPSS MCP analyses defensively. Use when the user asks to run statistical analysis (frequencies, descriptives, regression, t-test, ANOVA, correlations, factor analysis, crosstabs, MDS/PROXSCAL, clustering, survival, mixed models, etc.)…
JosephOIbrahim/UnrealEngine_Bridge
MCP server Claude CodeCodexCursor +2
One of 2 in .mcp.json
MCP server "unreal" as configured in JosephOIbrahim/UnrealEngineBridge. Runs ue_mcp.mcp_server with python.
Skill Claude CodeCodex
Design production-grade agentic AI systems from a natural-language use case. Runs a clarification loop, walks grounded decision trees (workflow vs agent, RAG vs fine-tuning, single vs multi-agent, autonomy tiers), and emits a detailed enterprise system design document with embedded interactive architecture, sequence…
gusujushi/gusujushi-nonviolent-communication
Skill Claude CodeCodex
A communication coach based on Nonviolent Communication, a method for discussing difficult situations by separating observable facts, feelings, needs, and specific requests. It helps turn blame or judgment into clearer, more respectful wording.
Skill Claude CodeCodex
Reviews a pull request against its feature doc, ADRs, and domain vocabulary — including terminology drift — and returns findings classed blocker / suggestion / nit / question. Use when asked to review someone else's PR, a Builder's round in tdd-rounds, or your own branch as a last self-check after prod-ready.…
Skill Claude CodeCodex needs its repo
Triggers when: user mentions "PRD", "requirements", "break down requirements", "split PRD", or provides a long feature document. Use this skill to first clarify ambiguous requirements, confirm business logic and boundaries, and then decompose the finalized PRD into atomic frontend tasks focusing purely on BUSINESS…
Skill Claude CodeCodex
Act as a licensing expert who helps the user choose or write a license for their project. Use this WHENEVER the user asks "what license should I use", wants to license a repo, library, app, content, dataset, fonts, or hardware, is unsure between MIT / Apache / GPL / AGPL / BSD / MPL / Creative Commons, asks about…
artnebo/cinematic-frame-director
Skill Claude CodeCodex
Turn a user's idea, scene description, or mood into ONE production-grade cinematic still-image prompt in English for text-to-image models (Seedream, Midjourney, Flux, DALL-E, or any image generator). Use this skill whenever the user asks for an image prompt, a cinematic frame, a "movie still" look, a photorealistic…
Skill Claude CodeCodex
Take a fuzzy idea (or an existing thing you want to improve) through a disciplined funnel — explore → pressure-test → converge — and produce one living CONCEPTBRIEF.md: a locked concept + phased roadmap. Acts as a blunt, honest co-founder (permission to overrule you), forces a success metric and a kill criterion…
Skill Claude CodeCodex
Score your own Claude Code and Codex CLI sessions on YC Paxel's exact 5-axis rubric, locally, with Claude as the scorer (no upload, no backend). Use when the user wants to see how Paxel would evaluate their work, run a self-assessment on Execution Leverage / Steering / Engineering Quality / Product Thinking /…
Skill Codex
Reverse engineering of compiled, packed, virtualized, or obfuscated targets for authorized CTF challenges. Use when the task is to understand, decompile, disassemble, or unpack an unknown executable across ELF, PE, Mach-O, APK, WASM, firmware, bytecode, or custom-VM targets.
bp-high/itr-filing-claude-skill
Skill Claude CodeCodex
End-to-end help filing an Indian ITR-2 for AY 2026-27 (FY 2025-26) for a salaried person with capital gains from shares and mutual funds, plus interest from RD/FD/savings. Parses Form 16, AIS, TIS, Form 26AS and broker/RTA capital-gains statements, reconciles them, classifies every gain under the current…
Skill Claude CodeCodex
Project bootstrap wizard — turns any codebase into a fully planned, agent-ready project with coordination docs, debugging guidelines, and parallel execution infrastructure. Use when starting work on a new or unfamiliar project that needs structure.
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: