What is QED?
QED is a deterministic scoring tool that evaluates text against quality profiles built from example documents. It returns a composite score and a per-trait breakdown, identifying weak areas and their magnitude. Designed for developers and technical writers, it works with profiles for READMEs, landing pages, technical writing, and more.
How to use QED?
Add QED to Claude Code via claude mcp add --transport http qed https://qed.systems/mcp. Then use the commands /qed:score, /qed:improve, or /qed:profile directly in Claude Code. No signup or authentication is required.
Key features of QED
- Deterministic scoring – same content, same profile, same result every time.
- Multiple quality profiles for different document types.
- Per-trait breakdown showing exact weaknesses.
- No LLM at inference – scores work in CI, scripts, or interactively.
- No auth, no signup required.
Use cases of QED
- Scoring a README against the
qed.compelling-readme profile.
- Evaluating landing page copy with
qed.developer-landing-page.
- Checking technical documentation against
qed.technical-writing.
- Testing content quality in CI pipelines without nondeterminism.
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