Sonnet L1 implementer. Executes one bounded spec with strict TDD and ponytail-minimal diffs; may sub-delegate mechanical bulk to Haiku L2.
How to install coder?
shafthq/shaft_engine/coder
$curl -o .claude/agents/coder.md https://raw.githubusercontent.com/shafthq/shaft_engine/HEAD/.claude/agents/coder.mdInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Install coder by running `curl -o .claude/agents/coder.md https://raw.githubusercontent.com/shafthq/shaft_engine/HEAD/.claude/agents/coder.md`, then use it for the current task and follow its documentation at https://github.com/shafthq/shaft_engine.
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