402index
Search 15,000+ paid API endpoints across the L402, x402, and MPP protocols on 402index.io
zafrida-http-control
Control ZAFrida in PyCharm through local HTTP APIs. Supports project query/switch/create, device and connection mode setup, target/script/extra args setup, run/attach/stop actions, run/attach log path, log content reading, and a summary state endpoint.
Specrun
MCP server that converts OpenAPI specs into tools which can query API endpoints
orpc-contract-first
Guide for implementing oRPC contract-first API patterns in Dify frontend. Triggers when creating new API contracts, adding service endpoints, integrating TanStack Query with typed contracts, or migrating legacy service calls to oRPC. Use for all API layer work in web/contract and web/service directories.
app-store-connect-api
Guide for implementing Apple App Store Connect API integrations. Use when: (1) Building API clients to manage certificates, provisioning profiles, bundle IDs, or devices, (2) Implementing JWT authentication for App Store Connect, (3) Understanding API request/response patterns and error handling, (4) Working with TestFlight builds, beta groups, or app submissions, (5) Discovering available endpoints, schemas, or capabilities via the OpenAPI spec. Includes scripts for fetching and analyzing Apple's official OpenAPI specification.
api-endpoint
Scaffold a REST API endpoint with route, controller, validation, and tests. Use when creating new API endpoints, adding resources, or when asked to build a new backend route.
Twitterapi Docs Mcp
Offline access to TwitterAPI.io docs for AI assistants. 52 endpoints, guides, pricing.
Microsoft Graph Agent Skill
Search, look up, and call any of the 27,700+ Microsoft Graph APIs â all locally, no network calls needed. Use the three search commands to find the right endpoint, check permissions and parameters, then optionally execute calls directly or hand off to a Graph MCP server.
api-endpoint-generator
Scaffold complete REST API endpoints with input validation, error handling, typed request/response, JSDoc or docstrings, and a unit test stub. Use when asked to create a new API route, endpoint, controller, handler, or REST resource in Express.js (TypeScript) or FastAPI (Python). Produces production-ready code following immutable patterns, Zod/Pydantic validation, and RFC 7807 error responses.
crawl-apis
Scan a target codebase for API definitions (OpenAPI, REST routes, GraphQL schemas) and propose api_contract and api_endpoint registry entries. Presents findings for review before writing files.
37signals-api
Builds REST APIs using respond_to blocks with Jbuilder templates following the 37signals same-controllers-different-formats philosophy. Use when adding API endpoints, JSON responses, token authentication, or when user mentions API, JSON, REST, or Jbuilder.
Bright Security
AI-powered application security testing — scan APIs, discover endpoints, and find vulnerabilities.
documentation-guidelines
Write or update backend feature documentation that follows a repo's DOCUMENTATION_GUIDELINES.md (or equivalent) across any project. Use when asked to create/update module docs, API contracts, or backend documentation that must include architecture, endpoints, payloads, Mermaid diagrams, and seeding instructions.
Io.Github.Ryudi84/Api
MCP server for generating REST API boilerplate and Express endpoints.
403-bypass
Use when encountering HTTP 403 Forbidden responses during pentests or bug bounty hunting, testing access control bypasses, trying to reach restricted endpoints, admin panels, or protected API routes. Also trigger when the user says "403 bypass", "bypass forbidden", "access denied bypass", "forbidden page bypass", or "trying to access restricted endpoint". Use this whenever a 403 needs to be tested - not just blindly accepted.
http-client
Make HTTP requests (GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS) to APIs and web services. Use when the user needs to call a REST API, fetch data from an endpoint, send form data, upload files, download files, or test HTTP services.
backend-agent
Backend specialist for APIs, databases, authentication using FastAPI with clean architecture (Repository/Service/Router pattern). Use for API, endpoint, REST, database, server, migration, and auth work.
Io.Github.Speeron Polska/Speeron Next
Speeron NEXT Digital Guest Journey MCP server (remote HTTP endpoint).
NEAR, Solana & Base Blockchain Data Gateway
24 NEAR + Solana + Base blockchain endpoints with x402 USDC micropayments
mcp2cli
Turn any MCP server, OpenAPI spec, or GraphQL endpoint into a CLI. Use this skill when the user wants to interact with an MCP server, OpenAPI/REST API, or GraphQL API via command line, discover available tools/endpoints, call API operations, or generate a new skill from an API. Triggers include "mcp2cli", "call this MCP server", "use this API", "list tools from", "create a skill for this API", "graphql", or any task involving MCP tool invocation, OpenAPI endpoint calls, or GraphQL queries without writing code.
Io.Github.Crawleo/Crawleo MCP
Hosted Crawleo MCP (remote streamable HTTP endpoint).
generate-mdl
Generate a Wren MDL manifest from a database using ibis-server metadata endpoints. Use when a user wants to create or set up a new Wren MDL, scaffold a manifest from an existing database, or onboard a new data source without installing any database drivers locally.
arc-quick
Lightweight 4-phase pipeline: Plan -> Work+Evaluate -> Review -> Mend. Chains devise --quick -> strive (with evaluator loop) -> appraise -> mend in one command. Work phase iterates up to max_iterations (default 3) with ward checks and quality signal detection between passes. Stagnation detection prevents infinite loops. Mend phase auto-fixes P1/P2 findings from the review TOME. Accepts a prompt string or existing plan file path. Recommends /rune:arc for complex plans (8+ tasks) unless --force is passed. Use when: "quick run", "fast pipeline", "plan and build", "nhanh", "chay nhanh", "quick arc", "simple pipeline", "4 steps", "plan work review mend", "quick", "arc-quick". <example> user: "/rune:arc-quick add a health check endpoint" assistant: "Starting quick pipeline: plan -> work -> review..." </example> <example> user: "/rune:arc-quick plans/my-plan.md" assistant: "Running quick pipeline on existing plan..." </example> <example> user: "/rune:arc-quick plans/complex-plan.md --force" assistant: "Force-running quick pipeline (skipping complexity warning)..." </example>
DeepSeek MCP Server
Official DeepSeek MCP server for chat, completion, model listing, and balance endpoints.
Mcp Server
Healthcare data: drugs, providers, diagnoses, labs, vaccines, claims, and Medicaid endpoints.
upstash-workflow-js
Lightweight guidance for using the Upstash Workflow SDK to define, trigger, and manage workflows. Use this Skill whenever a user wants to create workflow endpoints, run steps, or interact with the Upstash Workflow client.
analyze-python-api
Analyze the Python weather API, tests, endpoint behavior, and migration scope. Use for extracting routes, payloads, and validation points before C# implementation.
api-reference
Full API endpoint reference for SAM. Use when working on API routes, adding endpoints, writing API tests, or understanding the API surface. Trigger when asked about API endpoints, routes, or HTTP interfaces.
sap-odata-explorer
Query and explore SAP OData endpoints with secure logging and configurable output. Use this skill when the user needs to fetch data from SAP systems, explore SAP entity structures, or query SAP business objects like BusinessPartner, SalesOrder, Product, etc.
codebase-memory-exploring
This skill should be used when the user asks to "explore the codebase", "understand the architecture", "what functions exist", "show me the structure", "how is the code organized", "find functions matching", "search for classes", "list all routes", "show API endpoints", or needs codebase orientation.
Cronicorn
Manage adaptive cron jobs and HTTP endpoint scheduling via AI assistants.
api2cli
Generate a working CLI from any API, then wrap it in a Claude Code skill. Point it at API docs, a live URL, or a peek-api capture and get a dual-mode Commander.js CLI (human + agent output) plus a ready-to-use skill folder. Use when user wants to wrap an API in a CLI, generate a CLI from API docs, turn an API into a command-line tool, scaffold a CLI from discovered endpoints, or create a skill for an API.
vastai
Vast.ai CLI to manage GPU instances, volumes, serverless endpoints, and billing.
api
Add or modify API endpoints using TypeSpec. Use when adding new API routes, modifying request/response types, or changing the OpenAPI spec.
esql
Interact with Elasticsearch using ES|QL and curl. Use when querying, managing indices, checking cluster Elasticsearch. Requires endpoint URL and API key. Covers: search (using ES|QL), index management, mappings.
Decompile Android APK, XAPK, AAB, DEX, JAR, and AAR files using jadx
Decompile Android APK, XAPK, AAB, DEX, JAR, and AAR files using jadx or Fernflower/Vineflower. Reverse engineer Android apps, extract HTTP API endpoints (Retrofit, OkHttp, Volley, GraphQL, WebSocket), trace call flows from UI to network layer, analyze security patterns (cert pinning, exposed secrets), and perform dynamic analysis with Frida (adaptive bypass generation, crash analysis, runtime hooking). Use when the user wants to decompile, analyze, or reverse engineer Android packages, find API endpoints, follow call flows, audit app security, or bypass runtime protections.
implement-backlog-api-tool
Implements a new MCP tool for a Backlog API endpoint from its documentation URL (e.g. https://developer.nulab.com/docs/backlog/api/2/get-space/). Use this skill when you need to add or update a tool in this MCP server based on a Backlog API spec.
api-client-development
Creating typed API clients with OpenAPI specs, authentication, and OAuth scopes for SCAPI and similar APIs. Use when adding a new SCAPI client, generating types from an OpenAPI spec, setting up OAuth middleware, or integrating a new Commerce API endpoint.
local-web-search
Use when the user asks for web search that should run via the local-160 Responses API with web_search tool (base URL like https://proxy.example.com, model gpt-5.2-codex(xhigh)). Includes script to query the local endpoint and return summary + citations; use for periodic news monitoring and on-demand searches.
api-and-interface-design
Use when designing APIs, module boundaries, or any public interface. Use when creating REST or GraphQL endpoints, defining type contracts between modules, or establishing boundaries between frontend and backend.
Bot.402/Discovery Oracle
Discover live agent APIs, ranked endpoints, trust, payment telemetry, and x402 surfaces.
cmc-api-crypto
API reference for CoinMarketCap cryptocurrency endpoints including quotes, listings, OHLCV, trending, and categories. Use this skill whenever the user mentions CMC API, asks how to get crypto data programmatically, wants to build price integrations, or needs REST endpoint documentation. This is the go-to reference for any CMC cryptocurrency API question. Trigger: "CMC API", "coinmarketcap api", "crypto price API", "get bitcoin price via API", "/cmc-api-crypto"
api-endpoint-scaffolder
Generate REST API endpoints with proper structure, validation, error handling, and types. Use when creating new API routes, endpoints, or backend services.
PublicData Oracle
Public data API with ML enrichment — SEC EDGAR, FRED, NOAA, EPA, USGS. 404 endpoints.
ai-services
Configure DigitalOcean Gradient AI serverless inference and Agent Development Kit. Use when adding LLM inference, model access keys, serverless AI endpoints, or building AI agents with ADK on App Platform.
minecraft-debug-mcp
Operate and debug the live Minecraft bot through its built-in MCP REPL server. Use when work requires starting the bot with `pnpm dev`, connecting to the local MCP endpoint, inspecting cognitive state/logs/history, injecting synthetic chat/events, or running targeted REPL code against the running brain during investigation and development.
auto-arena
Automatically evaluate and compare multiple AI models or agents without pre-existing test data. Generates test queries from a task description, collects responses from all target endpoints, auto-generates evaluation rubrics, runs pairwise comparisons via a judge model, and produces win-rate rankings with reports and charts. Supports checkpoint resume, incremental endpoint addition, and judge model hot-swap. Use when the user asks to compare, benchmark, or rank multiple models or agents on a custom task, or run an arena-style evaluation.
Add Admin API Endpoint
Add a new endpoint or endpoints to Ghost's Admin API at `ghost/api/admin/**`.
wkdomains-local-browser-api
Use wkdomains local browser-state endpoints to inspect the currently visible page, DOM, links, console, resources, XHR/fetch activity, cookies, storage, and screenshot from localhost:9001.
api-contract-review
Review REST API contracts for HTTP semantics, versioning, backward compatibility, and response consistency. Use when user asks "review API", "check endpoints", "REST review", or before releasing API changes.