MCP servers for Claude Code

UNHCR Refugee Data Finder MCP (keyless).

Unpaywall MCP — open-access lookup for scholarly papers (free, no key)

Victoria and Albert Museum (V&A) Collections MCP. Keyless. Wraps the V&A Collections API v2.

VizieR MCP — CDS astronomical catalogue access.

Weather MCP — wraps Open-Meteo API (free, no auth)

Wger MCP — wraps wger Workout Manager REST API (free, no auth for read)

YGOPRODeck MCP — Yu-Gi-Oh! trading card game (TCG) database. Keyless. Sends a User-Agent. Base…

Schedule and publish social posts to Twitter, Instagram, LinkedIn, Pinterest, Bluesky and more.

PLATEAU 3D city data as scene-editing and glTF export tools for creative LLM agents.

Form backend that routes: one tool per Postbag API operation, plus quickstart and explain.

PredictIt MCP.

MCP server for Pretty Prompt — browse and save your prompt library

MCP agent that clarifies user prompts before sending them to any LLM — works in Cursor, VS Code, IntelliJ, PyCharm, Claude Desktop

Receipt-based verification for AI agent workflows — create, verify, and poll ephemeral proof objects

Property Records MCP — address-level US property records (sales history, assessed value, owner…

CLI and MCP server for the Prospeo API — person/company enrichment and search for AI agents

Manage Proton Drive from MCP clients through Proton's official CLI without exposing credentials.

MCP server for Proxmox VE — AI-driven QEMU VM and LXC container management

Intelligent code knowledge graph for AI coding agents — 71% cheaper, 72% faster

Check an email before an AI agent sends it: send / ask a human / block. Detects prompt injection.

MCP server for Qwen AI integration