HarnessFlow

HarnessFlow

Portable AI-coding workflow pack for Claude Code, Codex CLI, and VS Code + Copilot.

HarnessFlow is a drop-in set of workflow and agent-instruction files: copy it into any repository and your AI coding assistant stops one-shotting changes. It is designed for Claude Code, Codex CLI, and VS Code with GitHub Copilot — tools that can read instructions straight from the repository they're working in. Instead of taking your prompt straight to a diff, this pack gives your assistant a real pipeline: a request template that names the workflow you want, parallel analysis agents that investigate before any code is touched, and a self-challenge pass that pressure-tests the plan before a single line changes. Once the work is done, a QA pass validates the result and what your assistant learned gets written to persistent repo memory. Every change gets the right process, a second opinion before it ships, and a paper trail once it lands and the next request starts a little smarter than the last.

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What It Does

HarnessFlow is a portable Markdown instruction pack — there is no runtime, no npm install, and no build step. It is designed for Claude Code CLI, Codex CLI, GitHub Copilot in VS Code, Aider, and other AI coding assistants that benefit from structured operating instructions. Instead of letting your assistant one-shot changes from a single prompt, this pack gives every templated request a disciplined, multi-agent workflow with real planning, self-review, QA, and persistent memory:

- Runs on request — a filled-in template from request_template/ names one of 9 request types and loads that workflow file; nothing fires on a bare prompt.
- Analyzes in parallel — Focus, Broad, and Free analyst…