MCP.Market

Bernstein MCP server

by sipyourdrink-ltd·io.github.sipyourdrink-ltd/bernstein·v3.23.0·1.2k stars

The open-source governance layer for AI agents. Byte-identical run receipts, 40+ adapters, air-gap.

C57/100grade C
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Safety scan
C57/100

not scanned yet

Adoption
Widely used

1.2k stars24k downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Bernstein tools

No tool declarations could be read from the package source. They show once the server is installed.

Not scanned yet. New listings are scanned within a day or two of arriving.

How Bernstein compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
57/100
higher than 12% of 48,255 servers
GitHub stars
1,249
more than 95% of 28,688 servers
Downloads a week
23,629
more than 95% of 12,191 servers with a package

Release history: 5 versions in the registry since 2026-09-10, latest 2026-10-24, typically one every 11 days.

Install Bernstein in Claude Code, Cursor or VS Code

claude mcp add bernstein -- uvx bernstein
Add to Cursor

What the publisher says

From the Bernstein repository's README, as published. We do not edit it. Read it on GitHub

"To achieve great things, two things are needed: a plan and not quite enough time." - attributed to Leonard Bernstein

the open-source governance layer for AI agents

website · docs · install · first run · glossary · limitations · name policy · discord · sponsor

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Grade history

  • 2026-09-19restoreD → Cscore 57: Shell command built from a string (injection risk); subprocess with shell=True; eval / new Function used

Bernstein: common questions

Is Bernstein MCP server safe?
With care: it is graded C, so read the findings first (57/100). Read the Bernstein safety report
How do I install Bernstein?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Bernstein need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Bernstein maintained?
The last commit was 20 days ago (2026-10-15). The latest release is v3.23.0.
What can I use instead of Bernstein?
Servers from other publishers that do the same job: Nautilus Compass Memory MCP server.
How does Bernstein compare with other MCP servers?
safety score 57/100 (higher than 12% of 48,255 servers); github stars 1,249 (more than 95% of 28,688 servers); downloads a week 23,629 (more than 95% of 12,191 servers with a package). Full comparison.

Alternatives to Bernstein

Same job from other publishers: the closest match first, then the best rated.

  • Nautilus Compass Memory
    Local-first long-term memory for AI agents, with byte-recomputable signed verification receipts.
    B