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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.

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

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.

Explore OpenAPI and Swagger specifications from Claude through a hosted MCP server that returns API overviews and per-operation schema details.

OpenAPI-native platform and CLI for generating type-safe SDKs, CLIs, Terraform providers, contract tests, and standalone MCP servers.

Expert Spectral review skill for auditing OpenAPI contracts, OAS rulesets, lint results, schema drift, CI gates, and API release readiness.

MCP server that generates production-ready visual assets by routing requests across 30+ image generation models. Handles app icons, favicons, OG images, logos, and wordmarks. Validates output for WCAG contrast and palette consistency. Zero API key required for first run via Pollinations and Stable Horde free tiers.

49 remote MCP security tools for CVE/KEV/CWE/EPSS lookup, composite CVSS+EPSS+KEV+PoC risk scoring, CVSS v3.x vector parsing, domain/IP/IOC enrichment, dependency and web intelligence checks, MITRE ATLAS AI/ML attacks, and MITRE D3FEND defenses. Anonymous tier available; Pro tier uses an API key.

Lightweight open-source serving framework for building custom AI model inference APIs by defining a LitAPI with setup and predict methods, with batching, streaming, multi-GPU autoscaling, OpenAI-compatible endpoints, and support for compound, multimodal, RAG, and agent pipelines.

Open-source semantic cache for LLM applications that stores and reuses model responses through embedding similarity to cut API cost and latency, with modular embedding, vector-store, cache-storage, and eviction components.

Open-source, self-hostable AI engine that runs LLMs, vision, voice, image, and video models on your own hardware behind one API, with drop-in OpenAI, Anthropic, and ElevenLabs API compatibility, composable on-demand backends, and no GPU required.

The official SingleStore MCP server (singlestore-mcp-server) that lets AI assistants manage SingleStore from natural language — running SQL on a workspace, inspecting organizations, workspace groups, and workspaces, managing starter workspaces, notebooks, scheduled jobs, and Stage files — with no API keys required thanks to browser-based OAuth.

The official Telnyx MCP server (@telnyx/mcp) that lets AI assistants use Telnyx's communications APIs through function calling — messaging (SMS/MMS), voice and call control, phone-number management, SIP connections, verification, and wireless. The npx package proxies to Telnyx's hosted MCP server over HTTPS and authenticates with a Telnyx API key.

Official AWS Labs MCP server for AWS CloudTrail that lets AI assistants query account activity for security investigations, compliance auditing, and operational troubleshooting via Event History and CloudTrail Lake SQL.

Production-ready LLM app and agentic workflow platform with visual workflows, RAG pipelines, agent capabilities, model management, observability, prompt IDE, APIs, Dify Cloud, and self-hosted Docker Compose deployment.

Google Agent Skills catalog for AI agents working with Google Cloud, Gemini Enterprise Agent Platform, Gemini APIs, Skill Registry, Cloud Run, BigQuery, Firebase, GKE, Cloud SQL, AlloyDB, gcloud, auth, onboarding, and Well-Architected Framework guidance.

Apache-2.0 `gws` command-line tool for Google Workspace APIs with structured JSON output, dynamic Discovery API commands, npm and release installers, Gemini CLI extension metadata, and 100+ bundled Agent Skills.