MCP Trust Registry

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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.

24,079 servers 30,365 packages scanned 23 categories what changed → ecosystem stats → security signals →
Scalene PyPI
A
scalene-mcp

FastMCP server providing LLM-optimized access to Scalene profiler

Developer Tools Score 98/100 1 finding Cap. Minimal
Scholaris PyPI
A
mcp-scholaris

mcp-name: io.github.penny4nonsense/mcp-scholaris - Academic paper search and retrieval via arXiv, Semantic Scholar, PubMed, Unpaywall.

Learning & Documentation Score 98/100 0 findings Cap. Minimal
Scholarly PyPI
A
mcp-scholarly

A MCP server to search for accurate academic articles.

Other Score 98/100 0 findings Cap. Minimal
Science Museum PyPI
A
science-museum-mcp

MCP Server for the British Science Museum

Developer Tools Score 98/100 0 findings Cap. Minimal
Scopebench PyPI
A
scopebench-mcp

MCP server and skill for AI-controlled oscilloscopes.

Developer Tools Score 98/100 0 findings Cap. Minimal
Search Mcp Registry PyPI
A
search-mcp-registry

Search and discover MCP servers from the MCP Registry.

Web, Search & Scraping Score 98/100 0 findings Cap. Minimal
Searxng Http PyPI
A
searxng-http-mcp

SearXNG metasearch engine MCP server

Web, Search & Scraping Score 98/100 0 findings Cap. Minimal
Sec Engine PyPI
A
sec-engine

LLM-optimized SEC EDGAR MCP server

Finance & Commerce Score 98/100 0 findings Cap. Minimal
Seedance Polza PyPI
A
seedance-polza-mcp-server

MCP server for ByteDance Seedance video generation through Polza.ai

Design & Media Score 98/100 0 findings Cap. Minimal
Self Claude PyPI
A
self-claude-mcp

Self-Claude commands

Developer Tools Score 98/100 0 findings Cap. Minimal
Semantic Cache PyPI
A
semantic-cache-mcp

Lightweight MCP server for semantic file caching with 80%+ token reduction

Developer Tools Score 98/100 2 findings Cap. Minimal
Semantic Gateway PyPI
A
mcp-semantic-gateway

Semantic Tool Discovery Middleware for MCP

Developer Tools Score 98/100 0 findings Cap. Minimal
Semble Api PyPI
A
semble-api

python client for the semble api

Developer Tools Score 98/100 0 findings Cap. Minimal
Set PyPI
A
set-mcp

Add your description here

Finance & Commerce Score 98/100 0 findings Cap. Minimal
Shell 13 implementations
A
best: mcp-shell-server

MCP Shell Server - Execute shell commands via MCP protocol

Other Best score 98/100 3 findings Cap. Minimal
Sherlock PyPI
A
sherlock-mcp

Shelock Domains MCP server to buy & manage domains

Other Score 98/100 0 findings Cap. Minimal
Shiori PyPI
A
shiori-mcp

Model Context Protocol server for Shiori bookmark manager

Other Score 98/100 1 finding Cap. Minimal
Siemens Graph Studio PyPI
A
siemens-graph-studio-mcp-server

An MCP server for Altair Graph Studio (AGS) providing intelligent SPARQL query capabilities via the Model Context Protocol.

Developer Tools Score 98/100 1 finding Cap. Minimal
Sifflet PyPI
A
sifflet-mcp

MCP server for interaction with Sifflet data observability platform

Developer Tools Score 98/100 0 findings Cap. Minimal
Simctl 2 implementations
A
best: simctl-mcp-server

A Model Context Protocol server for iOS Simulator management via xcrun simctl

Developer Tools Best score 98/100 0 findings Cap. Minimal
Simple Openai Assistant PyPI
A
mcp-simple-openai-assistant

A simple MCP server for interacting with OpenAI assistants

AI & Agents Score 98/100 0 findings Cap. Minimal
Siteaudit PyPI
A
siteaudit-mcp

Instant SEO, performance, and security audits for any URL — an MCP server for AI agents

Web, Search & Scraping Score 98/100 0 findings Cap. Minimal
Sktime PyPI
A
sktime-mcp

MCP (Model Context Protocol) layer for sktime - Registry-Driven for LLMs

AI & Agents Score 98/100 1 finding Cap. Minimal
Sleepon PyPI
A
sleepon-mcp

MCP server for Sleepon sleep tracker – provides sleep data analysis tools for AI assistants like Claude

Developer Tools Score 98/100 0 findings Cap. Minimal