Self-host a disposable email inbox on a VPS
Catch every test email on a throwaway domain with Mailpit, read it in a web UI, and stop your staging app from ever mailing a real customer again.
#testing
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Old Coder skill: review evidence, not code
Your agent writes a SPEC you approve and an EVIDENCE report you can rerun yourself. Inside the Old Coder gauntlet: what mutation testing adds over coverage.
Self-hosted API mocking and testing on a VPS
Mock servers and API test runners do different jobs. Run both on your own box: WireMock stubs in git, Hurl suites in CI, and reports that survive a rebuild.
Self-hosted evals for AI agents
Build an eval loop you own: golden cases from real traces, cheap deterministic checks first, an LLM judge second, and a pass rate you track per commit.