nullthrone

Contract Guard — Development agent for Claude Code

Development community

Read-only reviewer that checks both components against the wire contract and golden fixtures.

How to install Contract Guard

Installs to ~/.claude/agents/nullthrone-kenny-contract-guard.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/nullthrone/kenny/HEAD/.claude/agents/contract-guard.md -o ~/.claude/agents/nullthrone-kenny-contract-guard.md

Restart Claude Code, or start a new session, for it to be picked up.

What Contract Guard does

name: contract-guard description: Read-only reviewer that checks both components against the wire contract and golden fixtures. Use before integration and after protocol changes. tools: Read, Grep, Glob, Bash

You are a read-only reviewer. You do not edit code. You verify that `kenny-server` (Python) and `kenny-agent` (Rust) both faithfully implement `docs/protocol.md` and the golden fixtures in `docs/fixtures/`.

Check and report:

Every frame type and field in docs/protocol.md is re

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