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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.

24,071 servers 30,351 packages scanned 23 categories what changed → ecosystem stats → security signals →
Playwright (official) Official 12 implementations
A
best: @playwright/mcp

Microsoft’s official Playwright MCP server: drive a real browser through accessibility-tree snapshots.

Browser Automation Best score 100/100 0 findings 5.9M/wk Cap. Minimal
Ext Apps Official npm
A
@modelcontextprotocol/ext-apps

MCP Apps SDK — Enable MCP servers to display interactive user interfaces in conversational clients.

Developer Tools Score 100/100 0 findings 3.6M/wk Cap. Minimal
Tmcp Source verified npm
A
tmcp

The main tmcp library

Data Science & ML Score 100/100 0 findings 2.5M/wk Cap. Minimal
Storybook Source verified 6 implementations
A
best: @storybook/mcp

MCP server that serves knowledge about your components based on your Storybook stories and documentation

Data Science & ML Best score 100/100 0 findings 2.5M/wk Cap. Minimal
Tmcp Session Manager Source verified 2 implementations
A
best: @tmcp/session-manager

Session management for TMCP (TypeScript Model Context Protocol) transport implementations. This package provides the base classes and in-memory implementations for both streaming session coordination and session metadata persistence.

AI, Memory & Reasoning Best score 100/100 0 findings 2.4M/wk Cap. Minimal
Tmcp Transport Http Source verified npm
A
@tmcp/transport-http

Transport for TMCP using HTTP

API Development Score 100/100 0 findings 2.4M/wk Cap. Minimal
Addon Source verified npm
A
@storybook/addon-mcp

Help agents automatically write and test stories for your UI components

Data Science & ML Score 100/100 0 findings 2.1M/wk Cap. Minimal
Context7 Official npm
A
@upstash/context7-mcp

Up-to-date, version-specific library documentation injected straight into prompts.

Developer Tools Score 100/100 0 findings 880k/wk Cap. Minimal
Fastmcp Source verified 2 implementations
A
best: fastmcp

A TypeScript framework for building MCP servers.

Design & Media Best score 100/100 0 findings 605k/wk Cap. Minimal
Hono Source verified 2 implementations
A
best: @hono/mcp

MCP Middleware for Hono

API Development Best score 100/100 0 findings 415k/wk Cap. Minimal
Rekog Nest Source verified npm
A
@rekog/mcp-nest

NestJS module for creating Model Context Protocol (MCP) servers

Content Management Score 100/100 0 findings 272k/wk Cap. Minimal
Posthog Official 2 implementations
A
best: @posthog/mcp

PostHog SDK for Model Context Protocol (MCP) servers — tracks tool usage, intent, and identity

Analytics & Monitoring Best score 100/100 0 findings 200k/wk Cap. Minimal
Clerk Tools Source verified npm
A
@clerk/mcp-tools

Tools for writing MCP clients and servers without pain

AI & Agents Score 100/100 0 findings 153k/wk Cap. Minimal
Add Source verified 3 implementations
A
best: add-mcp

Add MCP servers to your favorite coding agents with a single command.

Data Science & ML Best score 100/100 0 findings 149k/wk Cap. Minimal
Supabase Utils Official 11 implementations
A
best: @supabase/mcp-utils

MCP utilities

API Development Best score 100/100 0 findings 115k/wk Cap. Minimal
Ui5 Source verified npm
A
@ui5/mcp-server

MCP server for SAPUI5/OpenUI5 development

AI & Agents Score 100/100 0 findings 109k/wk Cap. Minimal
Sequential Thinking (official) Official 8 implementations
A
best: @modelcontextprotocol/server-sequential-thinking

The official structured-reasoning server: break problems into revisable thought sequences.

AI, Memory & Reasoning Best score 100/100 1 finding 103k/wk Cap. Minimal
Figma Developer Source verified 2 implementations
A
best: figma-developer-mcp

Give your coding agent access to your Figma data. Implement designs in any framework in one-shot.

AI & Agents Best score 100/100 0 findings 82k/wk Cap. Minimal
Memory (official) Official 37 implementations
A
best: @modelcontextprotocol/server-memory

The official knowledge-graph memory server: persistent entities, relations and observations.

AI, Memory & Reasoning Best score 100/100 0 findings 74k/wk Cap. Minimal
Webmcp Types Source verified npm
A
@mcp-b/webmcp-types

Strict TypeScript type definitions for the WebMCP core API (document.modelContext)

Data Science & ML Score 100/100 0 findings 59k/wk Cap. Minimal
Webmcp Polyfill Source verified 2 implementations
A
best: @mcp-b/webmcp-polyfill

Strict WebMCP core runtime polyfill for document.modelContext (with deprecated navigator.modelContext alias)

Analytics & Monitoring Best score 100/100 0 findings 54k/wk Cap. Minimal
Instrumentation Source verified 2 implementations
A
best: @traceloop/instrumentation-mcp

MCP (Model Context Protocol) Instrumentation

Data Science & ML Best score 100/100 0 findings 52k/wk Cap. Minimal
Perplexity Ai Source verified npm
A
@perplexity-ai/mcp-server

Real-time web search, reasoning, and research through Perplexity's API

AI & Agents Score 100/100 0 findings 44k/wk Cap. Minimal
Apps Official 2 implementations
A
best: @n8n/mcp-apps

MCP Apps UI resources and server helpers for n8n

AI, Memory & Reasoning Best score 100/100 0 findings 39k/wk Cap. Minimal