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Official Apify MCP server for connecting Claude to Apify Actors, Actor runs, datasets, key-value stores, and Apify documentation through hosted Streamable HTTP or local stdio transports.

PostToolUse hook that compares a just-edited OpenAPI or JSON Schema document against the version committed in git and warns about backward-incompatible drift — removed OpenAPI paths and removed required properties — so breaking API changes are surfaced before they ship. Advisory only; it never blocks the edit.

A source-backed collection for reviewing API contracts before release: OpenAPI drift detection, JSON Schema validation, GraphQL schema checks, Spectral lint review, Pact consumer contract verification, and generated clients or stubs from approved specs.

A CLAUDE.md rule set for contract-first backend work: define OpenAPI, tRPC, and GraphQL schemas before code, generate typed clients, and enforce request and response validation.

A Claude Code statusline that reads the session JSON on stdin and splits total_duration_ms into API processing time versus network/waiting time (total minus API).

PostToolUse hook that extracts JSDoc and pydoc comments from modified API endpoint files and generates OpenAPI 3.1.0-compatible YAML documentation on every save.

Specialized agent for designing, building, and optimizing RESTful APIs and GraphQL services with modern best practices

Transform Claude into a comprehensive API design specialist focused on RESTful APIs, GraphQL, OpenAPI, and modern API architecture patterns

Slash command that runs consumer-driven contract verification for an HTTP API using Pact.

Expert Proxmox VE API capability skill for VM/LXC lifecycle orchestration, task polling, auth safety, and cluster-aware operations.

Orchestrate Proxmox VM and LXC lifecycle operations via API with safe sequencing, capacity checks, and rollback-aware automation.

Build practical Unraid API automations for server operations, health checks, and routine maintenance with safe execution controls.

Deep, version-pinned Unraid API capability skill covering auth, schema patterns, safe mutations, and operational automation design.

Build high-performance async REST APIs with FastAPI, Python's fastest-growing web framework. Automatic OpenAPI/Swagger documentation, type-safe validation with Pydantic, native async/await support, and dependency injection for clean architecture.

Build end-to-end type-safe APIs with tRPC and TypeScript, eliminating code generation and runtime bloat for full-stack applications. tRPC provides end-to-end type safety without code generation, schema stitching, or serialization layers - delivering a lighter, more intuitive developer experience than REST or GraphQL.

Explore and script against REST APIs with comprehensive authentication support (API keys, OAuth 2.0, JWT Bearer tokens, Basic Auth), pagination utilities (cursor-based, offset-based, page-based), retry logic with exponential backoff and jitter, error handling for HTTP status codes, rate limiting with Retry-After hea...

Official GitHub MCP server providing comprehensive GitHub API access for repository management, file operations, and search functionality

Agent Skill from mcp-use for turning OpenAPI or Swagger specs into MCP servers with operation-to-tool mapping, auth wiring, Zod schema generation, inspector testing, and streamable HTTP deployment.

HAPI MCP exposes OpenAPI specifications as MCP tools dynamically using the la-rebelion hapimcp project and MCP Registry package ai.com.mcp/hapi-mcp.

Community slash command runbook for OpenAPI contract review: lint base and head spec files with the documented Spectral CLI, compare rule failures, and classify release impact before merging API changes.

Bowmark hosted MCP server serving pre-computed website navigation recipes for reliable browser automation from Claude, with optional Bearer API key auth.

Official Kagi MCP server that gives Claude web, news, video, podcast, image, and page-extraction tools backed by the Kagi Search and Extract APIs.

Source-backed agent for reviewing typed Protobuf and gRPC API contract changes with Buf breaking-change evidence, lint results, buf.yaml policy, BSR schema checks, generated-code impact, consumer compatibility, and rollout decisions.

FastAPI-native package that exposes FastAPI endpoints as Model Context Protocol tools while preserving schemas, docs, and existing authentication dependencies.

Connect Claude to Twilio's hosted MCP server for read-only search and retrieval across public Twilio API specifications, Twilio Docs, SendGrid Docs, Segment Docs, and support articles.

Build and review Hono TypeScript APIs for Cloudflare Workers, Bun, Deno, Node.js, Vercel, Netlify, and other Web Standards runtimes with routing, middleware, validation, RPC clients, OpenAPI generation, deployment checks, and production safety review.

Build and maintain NestJS backend APIs with modules, controllers, providers, dependency injection, configuration, validation pipes, guards, interceptors, exception filters, OpenAPI docs, testing, and production safety review.

Official Postman MCP Server for connecting Claude, Codex, Cursor, VS Code, Gemini CLI, and other MCP clients to Postman workspaces, collections, specifications, mocks, monitors, environments, API definitions, and code generation workflows.

Source-backed Claude agent prompt for using the Allways agent quickstart, live dashboards, API docs, and open source repo in a read-only-first workflow.

Open-source code generation tool for producing API clients, server stubs, documentation, schemas, and configuration from OpenAPI specs.