RuleDrift

Test whether AI agents retain critical instructions as conversations grow.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

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Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "ruledrift": {
      "command": "npx",
      "args": [
        "-y",
        "rule-drift"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

RuleDrift

Catch the moment your agent drifts from its rules.

RuleDrift tests whether an AI agent still follows important instructions after a conversation becomes long or distracting.

Run it like a test suite when you change a prompt, model, memory system, or agent workflow. It runs locally and does not sit in front of production requests.

Quick start

Requires Node.js 22+ and Ollama.

bash

ollama pull qwen3:1.7b
npx rule-drift init
npx rule-drift test

No paid model API, account, backend, or telemetry is required.

What you get

The first conversation point where a rule fails
Terminal, JSON, and JUnit reports
Local Ollama and bring-your-own-agent support
Optional MCP tools for AI coding clients
Stable exit codes for CI

MCP

Terminal

npx -y rule-drift mcp --root /path/to/your/project

See the MCP setup guide for client configuration and safety details.

Documentation

Contributions are welcome—see CONTRIBUTING.md. Licensed under MIT.

Read the full README →View source on GitHub →

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Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks — not a rating.

GitHub stars

Stargazers on the source repository.

Last commit

2d ago

Most recent push to the default branch.

Reviews

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Frequently Asked Questions about RuleDrift

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "ruledrift": { "command": "npx", "args": ["-y", "RuleDrift"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

39Quality signal: Fair · 39/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools15/30

Adoption & activity4/15

Community engagement0/10

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Documentation Overview

RuleDrift

Catch the moment your agent drifts from its rules.

RuleDrift tests whether an AI agent still follows important instructions after a conversation becomes long or distracting.

Run it like a test suite when you change a prompt, model, memory system, or agent workflow. It runs locally and does not sit in front of production requests.

Quick start

Requires Node.js 22+ and Ollama.

bash

ollama pull qwen3:1.7b
npx rule-drift init
npx rule-drift test

No paid model API, account, backend, or telemetry is required.

What you get

The first conversation point where a rule fails
Terminal, JSON, and JUnit reports
Local Ollama and bring-your-own-agent support
Optional MCP tools for AI coding clients
Stable exit codes for CI

MCP

Terminal

npx -y rule-drift mcp --root /path/to/your/project

See the MCP setup guide for client configuration and safety details.

Documentation

Contributions are welcome—see CONTRIBUTING.md. Licensed under MIT.