JevMade field notes / Written guide

Give coding agents focused quality evidence

Supercov combines an existing test command with named code-quality and security questions. It turns uncovered paths and scored source files into small findings that a coding agent can inspect, test, or refactor, rather than asking the agent to improve an entire codebase without a measurable target.

Original by SupercorpEvaluation

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Credits and license

“Supercov” by Supercorp. Read the original source.

This expanded guide is an AI-narrated adaptation of the source’s essential explanation, examples and caveats, not a word-for-word reading. The synthetic voice does not imitate the author or imply their endorsement.

License: MIT

MIT License

Copyright (c) 2026 Supercov contributors

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Our summary

Supercov gives a coding agent one inspectable target at a time. Coverage is a record of which code lines tests ran, while an assertion is an exact expected result. The tool combines that evidence with named quality questions instead of requesting a broad rewrite.

An agent chooses one finding, makes a focused test or refactor—a change to code structure without an intended behavior change—and reruns the normal test command. Saved evidence shows what ran and what changed before another target is selected.

Coverage does not prove behavior is correct, and a model score does not prove a defect. Quality scoring sends source code to an outside service. Language support and excluded files vary, so teams need their own security review and must inspect gaps.

Key takeaways

Give an assistant one inspectable finding at a time.
Rerun the project's normal tests after each change.
Neither test coverage nor a model score proves correctness.

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