Every server below was scanned with the same deterministic engine that powers the MCP Trust Checker CLI and free API. The A–F Trust Score answers one question — how safe is this server for you to adopt: it starts from the threat score of its published code, then adjusts down for the capability blast radius, how strongly the publisher is verified, and how much of the package the scan could actually see. No pay-to-list, no self-reported ratings, and every point is itemised with its evidence.
ProPublica Nonprofit MCP — ProPublica Nonprofit Explorer API (free, no auth)
ProZorro MCP — Ukraine government procurement (keyless).
PVGIS MCP — EU Joint Research Centre PV system modeler
Servidor MCP (stdio) para a API HTTP LightRAG — uso com npx e Cursor.
MCP server for generating QR codes - URL, WiFi, phone, email, SMS, vCard, text
Quotes MCP — citation-grade quote API for public-domain authors.
MCP server: generate random strings — hex, alphanumeric, base64, custom alphabet.
Rankship SEO Platform MCP Server - Connect your SEO workflow to Claude
Rarefriend CRM — MCP stdio proxy for Claude Desktop, Cursor, Claude Code CLI, and any MCP client
MCP server exposing React DevTools functionality to AI agents
Reactome biological pathway database
MCP server for READER.IIIK (reader3000.com): share Markdown documents with people, read their inline notes back, leave your own as Mr. Robot. Talks only to the reader3000 gateway over HTTPS; keeps a local ledger of the documents it created so they stay yo
Regulations.gov MCP — federal regulatory dockets, documents, public comments
Hot-reload supervisor for stdio MCP servers — lets an agent rebuild-and-restart a wrapped MCP server live, no host restart.
MCP Server for RenderForm.io
A Model Context Protocol server for RESTful API operations and JSON Server
MCP server for Rhizm — operate tasks, timers, and notes from Claude
Rick and Morty MCP — wraps the Rick and Morty API (free, no auth)
Riksdagen (Swedish Parliament) open data MCP.
MCP server: convert between Arabic numerals and Roman numerals (1-3999).
Stitch MCP actions together into reusable routines
RubyGems MCP — wraps the RubyGems.org public API (free, no auth)
schrodingers-boolean MCP — wraps StupidAPIs (requires X-API-Key)
scream-void MCP — wraps StupidAPIs (requires X-API-Key)