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 →
Browser Oxide PyPI
A
browser-oxide

BrowserOxide — stealth headless browser engine in Rust (Python bindings) — real HTML/CSS/DOM/JS, own BoringSSL TLS, native fingerprint, no Chromium

Developer Tools Score 99/100 0 findings Cap. Minimal
Browser Runtime PyPI
A
browser-runtime-mcp

MCP server that gives AI agents real-time access to browser runtime errors, console logs, and page diagnostics via a Chrome Extension.

Developer Tools Score 99/100 0 findings Cap. Minimal
Btp PyPI
A
btp-mcp-server

MCP server for SAP BTP Services Discovery

Developer Tools Score 99/100 0 findings Cap. Minimal
Builder 2 implementations
A
best: mcp-server-builder

MCP server for searching MCP protocol and FastMCP documentation

Learning & Documentation Best score 99/100 0 findings Cap. Minimal
Buscador De Cnpj PyPI
A
buscador-de-cnpj

A MCP server for CNPJ search using buscadordecnpj.com API

Marketing & Social Score 99/100 0 findings Cap. Minimal
Business Day PyPI
A
business-day-mcp

MCP server for business-day arithmetic with country-aware holiday calendars.

Developer Tools Score 99/100 0 findings Cap. Minimal
Cailculator PyPI
A
cailculator-mcp

CAILculator MCP Server - High-dimensional data analysis with dual algebra frameworks

Learning & Documentation Score 99/100 0 findings Cap. Minimal
Cairn 2 implementations
A
best: cairn-mcp

MCP server that logs Claude Code work sessions, file edits, and tasks to your Cairn account.

Developer Tools Best score 99/100 0 findings Cap. Minimal
Caiyun Weather PyPI
A
mcp-caiyun-weather

Caiyun Weather MCP Server

Cloud & DevOps Score 99/100 0 findings Cap. Minimal
Cal Scheduler PyPI
A
cal-scheduler-mcp

A timezone-correct CalDAV scheduling MCP server (zoned .ics, validated recurrence, single-occurrence edits).

Productivity & Workflow Score 99/100 0 findings Cap. Minimal
Calcnook PyPI
A
calcnook-mcp

MCP server wrapping the calcnook financial engine — 17 tools for compound interest, SIP/DCA, loans, retirement, BMI, Islamic finance, income tax (US/UK/CA/AU/IN), EOSG, VAT, and more.

Finance & Commerce Score 99/100 0 findings Cap. Minimal
Caldera PyPI
A
caldera-mcp

MCP server for MITRE Caldera adversary emulation platform

Security & Testing Score 99/100 0 findings Cap. Minimal
Calendar App PyPI
A
calendar-app-mcp

Calendar app MCP for accessing macOS Calendar events and reminders

Productivity & Workflow Score 99/100 0 findings Cap. Minimal
Calendar Python PyPI
A
mcp-calendar-python

MCP server for Google Calendar integration

Productivity & Workflow Score 99/100 0 findings Cap. Minimal
Camt Exceptions PyPI
A
camt-exceptions

Generate and validate ISO 20022 Exceptions & Investigations (E&I) camt messages -- camt.056 Payment Cancellation Request and camt.029 Resolution of Investigation -- with an MCP server.

Developer Tools Score 99/100 0 findings Cap. Minimal
Canforge PyPI
A
canforge-mcp

Local, read-only MCP tools for CAN databases and capture logs

Files & Storage Score 99/100 1 finding Cap. Minimal
Canon PyPI
A
mcp-canon

MCP server providing architectural patterns and best practices to LLM agents via RAG

AI, Memory & Reasoning Score 99/100 0 findings Cap. Minimal
Canopy PyPI
A
canopy-mcp

An MCP proxy server and agentic hook tool that allows you to write and enforce policies on agent tool flows

AI & Agents Score 99/100 0 findings Cap. Minimal
Capital Com PyPI
A
capital-com-mcp-server

Capital.com MCP Server for Amazon Q and other LLMs

Other Score 99/100 0 findings Cap. Minimal
Carbon Footprint PyPI
A
carbon-footprint-mcp

An MCP server for calculating carbon footprints from bank statements and activity data using EPA GHG emission factors.

Finance & Commerce Score 99/100 0 findings Cap. Minimal
Card Magic PyPI
A
card-magic-mcp

A Model Context Protocol (MCP) server that implements the Chico & Dico card magic trick.

Developer Tools Score 99/100 0 findings Cap. Minimal
Cardossier PyPI
A
cardossier-mcp-server

MCP Server for CarDossier Market API — Polish used car market data (valuations, price history, liquidity, regional pricing)

Business & CRM Score 99/100 0 findings Cap. Minimal
Caselegis PyPI
A
caselegis-mcp

California case law research tools for Claude, Cursor, and any MCP-compatible AI assistant

Business & CRM Score 99/100 0 findings Cap. Minimal
Cataloger PyPI
A
cataloger-mcp-server

A Model Context Protocol (MCP) server for Library of Congress Subject Headings and Name Authorities.

Web, Search & Scraping Score 99/100 0 findings Cap. Minimal