MCP servers for Claude Desktop

Deterministic HVAC duct sizing at a fixed or Manual D friction rate; grades existing ducts.

Web search, clean page reading & one-call research dossiers for AI agents. No API key.

HTTP status code reference MCP.

Monarch Initiative MCP — biomedical knowledge graph.

Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP

Evidence-backed, explainable persistent memory for MCP-compatible AI agents.

QuantToGo offers the MCP service from Legal Encyclopedia: A-share holding risk readings, verification of holding reasons, and daily risk…

MCP server for README.md generation from project metadata

MCP server for sending emails through the Resend API.

MCP server for Hostkey .ru (InvAPI): servers, power, order, DNS, S3, billing

Runway ML MCP server: AI video, image, audio, voice generation, and task management

MCP standards client for your own custodial SAIHM operator. Free start: @saihm/mcp-server-pro

ScrapingBee MCP — wraps the ScrapingBee headless-scraping API (scrapingbee.com)

Content-addressed semantics: fail-closed handshakes over 606 cognitive patterns.

SFMC AMPscript/SSJS/GTL tools + searchable help for 7 MC products (Engagement, Pardot…) via MCP.

Singapore government data for AI agents: ACRA, HDB, COE, URA, SingStat, MAS, IRAS. 87 tools.

Rent a real UK phone number and receive SMS/OTP codes — built for AI coding agents.

Build, edit, stock, and publish Social AI websites and storefronts via AI chat.

Official Spidra MCP server — AI-powered web scraping and crawling tools for MCP clients

Format SQL queries into readable layouts locally. No network and no key.

Bilingual JP/EN Japanese food nutrition for AI: 460 sourced konbini, chain & brand items.