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StackExchange MCP — wraps the StackExchange API v2.3 (free, no auth required for read)

MCP server that bridges MQTT sensor data to MCP, allowing clients to query cached sensor readings and send commands via tools like list_topics, read_topic, and publish.

Enables AI assistants to query DalPraLab's SEO/GEO consulting services, prices, case studies, availability, and submit audit requests directly from MCP clients.

A starter template for building MCP servers that can integrate with Claude, Cursor, or other MCP-compatible AI assistants to create custom tools, resource providers, and prompt templates.

Validates every agent action against policy files before execution, implementing runtime governance enforcement. Supports path permissions (writable, read-only, forbidden), role-based boundaries, content pattern scanning for sensitive data, and quality gate validation. Achieves zero token overhead by loading governance files into server memory rather than including them in the agent context window. Provides three operational modes: Universal (role selection), Construction (full access), and Fixed (pre-assigned role).

Provides AI assistants with access to sales data from a Northwind-style database through GraphQL queries, enabling natural language requests for orders, customers, products, and analytics.

Provides AI agents with direct access to local Yomitan dictionary databases for offline Japanese vocabulary lookups, kanji searches, and sentence tokenization. It leverages the Yomitan browser extension's API to enable rich dictionary interactions and Anki flashcard field generation.

The Weather MCP Tool provides real-time weather data, forecasts, and historical weather information using the OpenWeatherMap API, specifically designed for Claude Desktop. Built with Python using the FastMCP framework, it offers six specialized tools for retrieving current weather conditions, 5-day forecasts, air quality information, historical weather data, location search, and weather alerts. The implementation includes proper error handling, rate limit considerations, and detailed documentation for integration with Claude Desktop. It's particularly valuable for users who need accurate weather information within AI assistant conversations without switching to separate weather applications.

GenPark AI Agent Skill - Transactional agent state checkpointer with deterministic snapshotting, time-travel rollback, and branch history tracking.

Provides access to your Steam game library data through Claude Desktop, enabling game search, filtering, details, recommendations, and statistics.

GenPark/OpenClaw skill: Implement OpenAI & Stripe's Agentic Commerce Protocol (ACP) for capability negotiation, cart management, and Stripe Payment Token payments.

Enables Claude Desktop to send emails through Mailjet's API using the Model Context Protocol over Server-Sent Events. Provides secure email sending capabilities with API token authentication and user-provided credentials.

UK address (Royal Mail PAF), email, and phone (live HLR carrier) validation via the Postio API. Six tools: address search, postcode lookup, UDPRN, email validate, phone validate, and a health probe.

Animated React components you own. 55 components built with TypeScript, Tailwind CSS and Motion. Copy, paste, or install with the shadcn CLI.

Enables Claude to perform file operations, retrieve system information, run calculations, and generate timestamps on the local system.

Connects LLMs to Google PageSpeed Insights to analyze web performance, accessibility, SEO, and best practices, enabling AI assistants to audit and improve any web page.

This MCP server implementation provides powerful CLI command execution capabilities, enabling structured output for shell commands. Developed by Model Context Protocol, it offers tools for executing raw and chained commands in specific working directories, with features like timeout handling, ANSI code stripping, and comprehensive error management. The server is designed for use cases requiring programmatic access to shell operations, such as automated system administration, DevOps workflows, or integrating command-line tools into AI-assisted processes.

MCP server for PocketCast untop of reverse engineerd APIs

MCP server for US Treasury fiscal data

Vendor sovereignty scanner for EU AI Act compliance. Scans provider stacks for CLOUD Act exposure, data residency, and GDPR DPA status across 55 providers, then suggests EU-native alternatives. Free, no account required.