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A field guide to the /proof-recon skill

AI Testing Stack Inventory

Testing reconnaissance: inventories all test files, testing frameworks, and configuration; measures coverage per module with a critical path focus; checks CI integration and test execution time; and assesses overall testing maturity. Produces a map of what is tested, how thoroughly, and what the biggest coverage gaps are.

Proof · QA & Testing4 min readNovember 24, 2025

Reconnaissance is the first thing a senior engineer does on an inherited project: read the lay of the land before changing anything. Skip it and the first change reveals an assumption that turned out to be wrong.

The /proof-recon skill produces the recon for the uproof domain. Testing reconnaissance: inventories all test files, testing frameworks, and configuration; measures coverage per module with a critical path focus; checks CI integration and test execution time; and assesses overall testing maturity. Produces a map of what is tested, how thoroughly, and what the biggest coverage gaps are.

Tonone's /proof-recon skill produces a focused inventory of the uproof domain before changes are made.

Install

/proof-recon ships with the uproof agent in Tonone for Claude Code. Install Tonone via tonone.ai/get-started. Tonone is free and MIT-licensed.

1. Add to marketplace

$ claude plugin marketplace add tonone-ai/tonone

2. Install Proof

$ claude plugin install proof@tonone-ai

Frequently asked questions

What does /proof-recon do?
Testing reconnaissance: inventories all test files, testing frameworks, and configuration; measures coverage per module with a critical path focus; checks CI integration and test execution time; and assesses overall testing maturity. Produces a map of what is tested, how thoroughly, and what the biggest coverage gaps are.
How do I install /proof-recon?
Install Tonone for Claude Code via tonone.ai/get-started. Tonone is free and MIT-licensed.

Pairs well with