What runtime environment is required to run Agent Role Contracts?

Agent Role Contracts requires Node.js 22.5 or later. To download the source or package, you need network access. The actual checks run entirely offline.

Can I run the tool without installing dependencies?

Yes, the bundled demo runs PASS to expected scope FAIL to repaired PASS without requiring dependency installation. However, you do need Git and Node.js 22.5 or later to clone and run the demo.

What are the three main command modes available?

The three main command modes are: validate (checks the bundle alone), explain (checks one task's write scope in addition to the bundle), and handoff (also checks a handoff document you supply separately).

Is Agent Role Contracts available as an npm package?

Yes, Agent Role Contracts is available as an npm package at version 1.0.0 under the name @netsujo/agent-role-contracts on npm latest. It is distributed as an MIT-licensed open source package.

AI DevOps · Japan

Agent Role Contracts

Offline checker for AI agent role declarations without executing agents

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Ahrefs Domain Rating benchmarked 2 Nov 2026, rebuilt 2 Nov 2026.

An MIT-licensed npm CLI tool that checks AI agent role, authority, task scope, reviewer, handoff, binding, and filesystem-write declarations offline without

What it is

Screenshot of the Agent Role Contracts homepage — netsujo.jp, as visitors see it

Agent Role Contracts (ARC) is an offline checker for AI agent role declarations. It validates that declared rules for agent implementation, review, task scope, and filesystem access are internally consistent before agents run. The tool checks authority contradictions, self-review conflicts, and role reference validity. It is available as an MIT-licensed npm package (version 1.0.0) for Node.js 22.5 or later and runs entirely offline. The project has been listed in several AI and agent trust curated directories following public feedback integration.

What it is built with

Checks role and authority consistency
Validates reviewer-implementer separation
Verifies role references exist
Checks filesystem write scope boundaries
Runs completely offline without network access
Three command modes: validate, explain, and handoff
Clear exit codes for pass/fail/error states
MIT open source license
Bundled starter fixtures and examples

Pricing

Pricing model: Open source