Backend and APIs

30,807 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

firecrawl AGENTS.md

01

firecrawl/firecrawl

Instructions file CodexOpenCode

AGENTS.md instructions for firecrawl/firecrawl: Firecrawl is a web scraper API. The directory you have access to is a monorepo.

not rated 176k +975 today A 363 tokens AGPL-3.0

firecrawl CLAUDE.md

02

firecrawl/firecrawl

Instructions file

Claude Code instructions for firecrawl/firecrawl: Firecrawl is a web scraper API. The directory you have access to is a monorepo.

not rated 176k +975 today A 413 tokens AGPL-3.0

claude-api

03

anthropics/skills

Skill Claude CodeCodex ✓ vendor

Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration. TRIGGER — read BEFORE opening the target file; don't skip because it "looks like a one-liner" — whenever: the prompt names Claude/Anthropic in any form (Claude…

not rated 174k +305 changed today A 294 tokens

codex AGENTS.md

04

openai/codex

Instructions file CodexOpenCode ✓ vendor

AGENTS.md instructions for openai/codex, covering rust/codex-rs, the codex-core crate, code review rules, crate api surface and model visible context.

not rated 121k +530 today A 5,182 tokens original Apache-2.0

microsoft/generative-ai-for-beginners

Skill Claude CodeCodex ✓ vendor

Migrate Python apps from Azure OpenAI Chat Completions to the Responses API. Covers AzureOpenAI/AsyncAzureOpenAI client migration to the v1 endpoint, streaming, tools, structured output, multi-turn, EntraID auth, and model compatibility checks. Python-focused, Azure OpenAI-specific. USE FOR: migrate to responses API…

not rated 119k +147 7d ago A 185 tokens original MIT

x402

06

browser-use/browser-use

Skill Claude CodeCodex

Set up Browser Use Cloud payments with x402 — pay per request from a crypto wallet (USDC on Base mainnet), no signup or API key. Two setups it works out up front — "just use it" (set up a wallet so you or Claude Code can run cloud browser tasks paid from the wallet — Claude writes and runs throwaway scripts, nothing…

not rated 112k +249 today A 175 tokens original MIT

fastapi

07

fastapi/fastapi

Skill Claude CodeCodex

FastAPI best practices and conventions. Use when working with FastAPI APIs, Pydantic models, dependencies, streaming responses including Server-Sent Events (SSE), and serving frontend apps. Keeps FastAPI code clean and up to date with the latest features and patterns.

not rated 102k +66 2d ago A 57 tokens original MIT

microsoft/playwright

Instructions file GitHub Copilot ✓ vendor

Copilot instructions for microsoft/playwright, a project described as: Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

not rated 96k +115 today A 121 tokens original Apache-2.0

playwright-test

09

microsoft/playwright

MCP server Claude CodeCodexCursor +2 ✓ vendor

A high-level API to automate web browsers. Runs locally from the playwright npm package.

not rated 96k +115 today A tokens not measured original Apache-2.0

paperclipai/paperclip

Skill Claude CodeCodex

Create or modify Paperclip agent adapters across server, UI, and CLI surfaces. Use when adding support for a new CLI agent, API agent, custom process, or adapter package.

not rated 80k +145 today A 41 tokens original MIT

paperclip

11

paperclipai/paperclip

Skill Claude CodeCodex

Interact with the Paperclip control plane API for task coordination and governance. Use when checking assignments, updating issue status, posting comments, delegating work, managing routines, or calling Paperclip API endpoints.

not rated 80k +145 today A 43 tokens original MIT

paperclip

12

paperclipai/paperclip

Skill Claude CodeCodex

Interact with the Paperclip control plane API for task coordination and governance. Use when checking assignments, updating issue status, posting comments, delegating work, managing routines, or calling Paperclip API endpoints.

not rated 80k +145 today A 43 tokens original MIT

mcp-builder

13

shareAI-lab/learn-claude-code

Skill Claude CodeCodex

Build MCP (Model Context Protocol) servers that give Claude new capabilities. Use when user wants to create an MCP server, add tools to Claude, or integrate external services.

not rated 76k +172 8d ago A 38 tokens original MIT

microsoft/ai-agents-for-beginners

Skill Claude CodeCodex ✓ vendor

Migrate Python apps from Azure OpenAI Chat Completions to the Responses API. Covers AzureOpenAI/AsyncAzureOpenAI client migration to the v1 endpoint, streaming, tools, structured output, multi-turn, EntraID auth, and model compatibility checks. Python-focused, Azure OpenAI-specific. USE FOR: migrate to responses API…

not rated 74k +182 7d ago A 185 tokens original MIT

cline/cline

Instructions file GitHub Copilot

Copilot instructions for cline/cline, covering copilot instructions for cline, architecture, build & test (critical — non-obvious commands), protobuf rpc workflow (4 steps) and adding api providers (silent failure risk).

not rated 67k +139 today A 976 tokens original Apache-2.0

claude-api

16

warpdotdev/warp

Skill Claude CodeCodex

Build, debug, and optimize Claude API / Anthropic SDK apps. Apps built with this skill should include prompt caching. Also handles migrating existing Claude API code between Claude model versions (4.5 → 4.6, 4.6 → 4.7, retired-model replacements). TRIGGER when: code imports anthropic/@anthropic-ai/sdk; user asks for…

not rated 65k +56 yesterday A 193 tokens AGPL-3.0

mem0-status

17

mem0ai/mem0

Skill Claude CodeCodex

Diagnoses mem0 connectivity, API key validity, and memory read/write functionality. Use when memory operations fail, searches return empty, addmemory errors occur, or to verify the plugin is working correctly.

not rated 65k +175 today A 44 tokens original Apache-2.0

coollabsio/coolify

Skill Claude CodeCodex

Configures Laravel Nightwatch data collection, sampling rates, filtering rules, and redaction policies. Use when setting up Nightwatch, managing data volume, protecting sensitive data (PII), or optimizing event collection for production workloads.

not rated 61k +85 2d ago A 49 tokens original Apache-2.0

laravel-actions

19

coollabsio/coolify

Skill Claude CodeCodex

Build, refactor, and troubleshoot Laravel Actions using lorisleiva/laravel-actions. Use when implementing reusable action classes (object/controller/job/listener/command), converting service classes/controllers/jobs into actions, orchestrating workflows via faked actions, or debugging action entrypoints and wiring.

not rated 61k +85 2d ago A 62 tokens original Apache-2.0

laravel-boost

20

coollabsio/coolify

MCP server Claude CodeCodexCursor +2

MCP server "laravel-boost" as configured in coollabsio/coolify. Launched with php artisan boost:mcp.

not rated 61k +85 2d ago A tokens not measured original Apache-2.0

omni-inference

21

diegosouzapw/OmniRoute

Skill Claude CodeCodex

The core OpenAI-compatible inference endpoints: chat completions, embeddings, images, audio (TTS/STT), moderations, rerank, and the Responses API. The primary integration surface for AI agents.

not rated 60k +1.3k changed yesterday A 47 tokens original MIT

omni-providers

22

diegosouzapw/OmniRoute

Skill Claude CodeCodex

Manage provider connections, API keys, OAuth flows, and connection tests via the REST API. List, add, update, remove, and test AI provider integrations across OmniRoute's 327-provider catalog.

not rated 60k +1.3k changed yesterday A 45 tokens original MIT

appwrite AGENTS.md

23

appwrite/appwrite

Instructions file CodexOpenCode ✓ vendor

AGENTS.md instructions for appwrite/appwrite, covering appwrite, commands, stack, layout and libraries.

not rated 57k +43 2d ago A 6,541 tokens original BSD-3-Clause

anthropics/claude-cookbooks

Instructions file ✓ vendor

Claude Code instructions for anthropics/claude-cookbooks, covering claude cookbooks, quick start, install dependencies, install pre-commit hooks and set up api key.

not rated 52k +47 changed today A 926 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: