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.

24,030 servers 30,257 packages scanned 23 categories what changed → ecosystem stats → security signals →
Simple Arxiv PyPI
A
mcp-simple-arxiv

An MCP server that provides access to arXiv papers through their API.

Other Score 99/100 0 findings Cap. Minimal
Simple Email PyPI
A
simple-email-mcp

Provider-agnostic MCP server for email (IMAP/SMTP)

Marketing & Social Score 99/100 0 findings Cap. Minimal
Simple Mcp Client PyPI
A
simple-mcp-client

A simple MCP client for testing MCP servers

Developer Tools Score 99/100 0 findings Cap. Minimal
Simple Prompts PyPI
A
simple-prompts-mcp

Simple Prompt MCP Server

Developer Tools Score 99/100 0 findings Cap. Minimal
Simple Pubmed PyPI
A
mcp-simple-pubmed

An MCP server that provides access to PubMed articles through Entrez API.

Other Score 99/100 0 findings Cap. Minimal
Simple4u Memory PyPI
A
simple4u-memory

Persistent memory for Claude — MCP server with hierarchical memory, semantic search, and customizable persona

Web, Search & Scraping Score 99/100 0 findings Cap. Minimal
Simplecode PyPI
A
simplecode-mcp

Turn internal code libraries into AI-accessible knowledge sources via MCP server with semantic search

Developer Tools Score 99/100 0 findings Cap. Minimal
Sinhala PyPI
A
sinhala-mcp

MCP server for translating Sinhala/Singlish commands into English technical prompts

AI & Agents Score 99/100 0 findings Cap. Minimal
Skill Manager Treeshell PyPI
A
skill-manager-treeshell

Skill Manager TreeShell MCP - Three-tier skill architecture for compound intelligence

Developer Tools Score 99/100 0 findings Cap. Minimal
Skill Retrieval PyPI
A
skill-retrieval-mcp

Lightweight MCP Server for RAG-based skill retrieval

Developer Tools Score 99/100 0 findings Cap. Minimal
Skill To PyPI
A
skill-to-mcp

Convert AI Skills (Claude Skills format) to MCP server resources

Developer Tools Score 99/100 0 findings Cap. Minimal
Skillforge 2 implementations
A
best: skillforge-mcp

An MCP server that makes your AI agent learn and evolve — one skill at a time.

AI, Memory & Reasoning Best score 99/100 0 findings Cap. Minimal
Skillhub 2 implementations
A
best: skillhub-mcp

MCP server that exposes Claude-style skills to any MCP client.

Other Best score 99/100 0 findings Cap. Minimal
Skillport 2 implementations
A
best: skillport-mcp

SkillPort MCP server (indexed search + tools). See https://github.com/gotalab/skillport for documentation.

Developer Tools Best score 99/100 0 findings Cap. Minimal
Skills Registry PyPI
A
skills-registry

Remote FastMCP server for the GitHub-backed skills registry. Authenticates MCP clients via GitHub OAuth and serves skills from each user's linked repo using a GitHub App installation token.

Developer Tools Score 99/100 0 findings Cap. Minimal
Skillz PyPI
A
skillz

MCP server that exposes Claude-style skills to any MCP client.

Developer Tools Score 99/100 0 findings Cap. Minimal
Skore PyPI
A
skore-mcp

Model Context Protocol server for Skore (experiment tracking and model evaluation)

AI & Agents Score 99/100 0 findings Cap. Minimal
Sl Bigquery PyPI
A
sl-bigquery-mcp

A Model Context Protocol (MCP) server that provides access to BigQuery.

Cloud & DevOps Score 99/100 0 findings Cap. Minimal
Slack Notifier PyPI
A
slack-notifier-mcp

MCP server for Slack notifications with bidirectional communication

Productivity & Workflow Score 99/100 0 findings Cap. Minimal
Slm Mesh 2 implementations
A
best: slm-mesh

Python client for SLM Mesh — peer-to-peer communication for AI coding agents.

Developer Tools Best score 99/100 0 findings Cap. Minimal
Slop Guard PyPI
A
slop-guard

Rule-based prose linter for formulaic AI writing patterns.

Productivity & Workflow Score 99/100 3 findings Cap. Minimal
Sluice Taint PyPI
A
sluice-taint

A local gate for MCP traffic with cross-call memory for sensitive values.

Developer Tools Score 99/100 3 findings Cap. Minimal
Smallcase PyPI
A
smallcase-mcp

UNOFFICIAL, read-only MCP server for smallcase's public discovery data (catalog, returns, risk, stocks, funds). Not affiliated with smallcase; not the official smallcase MCP.

Finance & Commerce Score 99/100 0 findings Cap. Minimal
Smart Financial PyPI
A
smart-financial-mcp

基于Model Context Protocol (MCP) 的智能股票数据助手

Developer Tools Score 99/100 1 finding Cap. Minimal