ryanthedev

Core Checklist — Development agent for Claude Code

Development community

Core Sanity Checks (14).

How to install Core Checklist

Installs to ~/.claude/agents/ryanthedev-code-foundations-core-checklist.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/ryanthedev/code-foundations/HEAD/agents/core-checklist.md -o ~/.claude/agents/ryanthedev-code-foundations-core-checklist.md

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

What Core Checklist does

Core Sanity Checks (14)

Distilled from 99 checks via 7-agent blind consensus study. These are the checks that multiple independent agents identified as most critical for catching production bugs.

Error Handling (2)

ERR-3: "Are all error-return codes checked?"
ERR-8: "Are partial failures handled (rollback, cleanup, consistent state)?"

Null Safety & Boundaries (4)

NULL-2: "Does the code check pointers/references for null before use?"
NULL-4: "Are all

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