137 servers checked

The MCP server directory with security grades Is your MCP server safe to run?

We check every server on four things: login, upkeep, known bugs and connection. You get one grade, A to D.

Check a server Run the 5-minute check

137 servers 1496 community reviews 3.8 average community rating

Check your stack

Grades for a few servers people often run.

Popular

This server is grade A or B

Grade A GitHub MCP Server 3/4 Fix first: Login is coarse: sign in with the narrowest account or scopes you can.

See all 137 servers and their grades Open the full stack check

How it works

Find
Search the directory for the tool you want to connect.
Browse 137 servers
Check
Read its grade and the four checks before you install it.
How we grade servers
Run
Set it up from the vendor's docs. Make your agent ask before it changes anything.
Set up MCP in Claude Code Run the security checklist

Most MCP servers skip the basics

This is what public scans of MCP servers found this year.

43%of tested MCP servers could be tricked into running an attacker's commands

38–40%of scanned servers have no login at all

82%handle files in a way that can reach outside the folder they should stay in

40+published MCP security flaws (CVEs) in the first four months of 2026

Sources are in our security guide.

Top-graded servers

The best grades in the directory right now.

See all servers

Server	Category	Auth	Grade	Checks	Community	Updated
Buildkite MCP Server Buildkite	Developer Tools	yes	A	4/4	4.6 (12)	2026-10
Cloudflare API MCP Server Cloudflare	Cloud & Hosting	yes	A	4/4	4.4 (10)	2026-10
Sentry MCP Server Sentry	Developer Tools	yes	A	4/4	4.3 (16)	2026-10
Neon MCP Server Neon	Databases & Data Stores	yes	A	4/4	4.5 (20)	2026-10
Splunk MCP Server Splunk	Developer Tools	yes	A	3/4	-	2026-10
Honeycomb MCP Honeycomb	Developer Tools	yes	A	3/4	4.4 (9)	2026-11
Dynatrace Remote MCP Server Dynatrace	Developer Tools	yes	A	3/4	4.5 (16)	2026-10
Pragor Project Board MCP Server Pragor	Collaboration	yes	A	3/4	4.4 (7)	2026-10

Most-reviewed servers

Ranked by number of reviews. The grade is ours. The stars come from people who ran the server.

All servers, most reviewed first

Server	Category	Auth	Grade	Checks	Community	Updated
browser-use MCP browser-use	Browser & Web Automation	no	C	2/4	2.7 (22)	2026-10
Neon MCP Server Neon	Databases & Data Stores	yes	A	4/4	4.5 (20)	2026-10
Ahrefs MCP Ahrefs	SEO Data	yes	A	3/4	4.4 (20)	2026-10
Patto MCP Server Patto	CRM & Sales	yes	A	3/4	4.2 (20)	2026-11
Semrush MCP Semrush	SEO Data	yes	B	2/4	3.9 (20)	2026-10
Zotero MCP (zotero-mcp-server) Community	Docs & Knowledge	optional	B	2/4	3.9 (20)	2026-11

Browse by category

Riskiest first. A server that can move money or write to a database needs more care than one that reads docs.

Developer Tools

Editors, code hosts, CI, and language tooling exposed to agents over MCP.

42 servers

Browser & Web Automation

Headless browsers, scrapers, and page-interaction servers.

5 servers

Databases & Data Stores

SQL and NoSQL connectors that let an agent read and write your data.

9 servers

CRM & Sales

Customer, pipeline, and enrichment platforms.

8 servers

Payments & Billing

Payment processors and billing systems - the highest-blast-radius category.

4 servers

Docs & Knowledge

Documentation fetchers, note stores, and knowledge bases.

15 servers

Search & Retrieval

Web search, vector search, and RAG retrieval backends.

16 servers

Workflow Automation

Low-code and orchestration platforms that trigger multi-step work.

7 servers

SEO Data

Keyword volume, difficulty, backlinks, and SERP data from SEO platforms.

8 servers

Cloud & Hosting

Hosting, edge, DNS, and deployment platforms that let an agent ship and change live infrastructure.

10 servers

Collaboration

Chat, wiki, and workspace servers that read and write your team's messages, pages, and files.

13 servers

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Security guides

Short, plain guides for running and building MCP servers.

All guides

Guide

ChatGPT Skills, Perplexity Skills and Claude Skills: How to Install Each and What Differs (Nov 2026)

ChatGPT, Perplexity and Claude all support skills: a folder with a SKILL.md file that teaches the assistant one task, in the same open Agent Skills format. Which plans have them, how to install, upload and remove a skill in each app, how they differ, and five checks before you install one.

Read Guide

Best MCP Servers for Claude Code: Graded Picks by Job (Nov 2026)

Add one MCP server per job you do every week: GitHub or GitLab for code, Context7 for library docs, your database's own server, Sentry for errors. 25 graded picks, the claude mcp add line for each where we have one, and two servers to skip.