System F Software

Blocks unsafe git subtree invocations: URL fetch, missing --squash, missing -S/--gpg-sign, and subtree push.

Lints every agent edit with oxlint (PostToolUse) and blocks edits that weaken the oxlint config (PreToolUse).

Agent plugin and skill for setting up, configuring, and running Stryker mutation testing in TypeScript and JavaScript repositories. Ships the gate, annotate, SARIF, and MCP surfaces so CI and agents act on survivors without parsing a report.