bernstein

bernstein is a plugin for Cursor from sipyourdrink-ltd/bernstein. Its manifest loads nothing; the 8 skills it bundles cost 370 tokens per session together, scanned A, original, Apache-2.0.

An editor integration for Bernstein, a governance tool for AI agents. It lets you monitor agent tasks and costs and approve plans from Cursor, a code editor.

In plain words
What is it for?
Use it to track agent activity, review plans, monitor spending, and coordinate multiple agents while coding.
Why use it?
It keeps agent oversight in the editor instead of making you switch to another interface to check work or approve actions.

Plugin for Cursor

Written for Cursor: a Cursor plugin manifest.

Good fit Use it to track agent activity, review plans, monitor spending, and coordinate multiple agents while coding.

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Install with agentmods
npx agentmods add plugins/sipyourdrink-ltd/bernstein/cursor-plugin
About the project

Bernstein is an open-source governance layer for AI agents that applies written policies, schedules agent work deterministically, controls approvals, and records verifiable execution history. It is used to coordinate CLI coding agents and other agent workloads, including parallel runs and offline review, while the catalogue entries provide its agent workflows and controls.

sipyourdrink-ltd/bernstein · 1,119 stars · on GitHub · bernstein.run

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/sipyourdrink-ltd/bernstein

Made for: Cursor.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for bernstein

README.md
[![agentmods](https://agentmods.dev/badge/plugins/sipyourdrink-ltd/bernstein/cursor-plugin.svg)](https://agentmods.dev/plugins/sipyourdrink-ltd/bernstein/cursor-plugin)
Your own site
<a href="https://agentmods.dev/plugins/sipyourdrink-ltd/bernstein/cursor-plugin"><img src="https://agentmods.dev/badge/plugins/sipyourdrink-ltd/bernstein/cursor-plugin.svg" alt="Measured on agentmods" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured The manifest loads nothing itself; its 8 skills cost 370 tokens a session between them.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

bernstein scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

packages/cursor-plugin/.cursor-plugin/plugin.json · 16 lines

What it actually says

{
  "name": "bernstein",
  "description": "Drive Bernstein, the open-source governance layer for AI agents, from Cursor. Monitor tasks, agents, costs, approve plans - all without leaving your editor.",
  "version": "0.1.0",
  "author": {
    "name": "Alex Chernysh",
    "url": "https://github.com/sipyourdrink-ltd/bernstein"
  },
  "license": "Apache-2.0",
  "repository": "https://github.com/sipyourdrink-ltd/bernstein",
  "keywords": ["ai", "agents", "orchestration", "multi-agent", "bernstein"],
  "compatibility": {
    "cursor": ">=2.4.0"
  }
}
Contents

What it installs

The manifest is a name and a version. 8 skills travel with it, and installing the plugin installs all of them — 370 tokens a session between them. Each is measured on its own page, and each can be installed alone.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 16 lines scan A 37de80f5a474

Subscribe to this mod's changes

bernstein is a plugin published in the GitHub repository sipyourdrink-ltd/bernstein (1,119 stars, last pushed today), licensed Apache-2.0. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-06.