Developer Tools
GTM Stacker
Last updated 2026-09-15 · benchmark measured 2026-09-15 — deterministic & reproducible
A daily-updated registry of open-source GTM and RevOps tools, built for AI agents.
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Legit.Show scored GTM Stacker 93/100 on 2026-09-15, measured across all 7 frames from its public surface. legit.show/s/gtmstacker-com/2026-09-15
Is GTM Stacker production-ready?
Legit.Show scores GTM Stacker 93 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on GTM Stacker (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Performance. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 75/100
- Accessibility — 95/100
- Security — 80/100How this compares across the catalogue: The Web Security Baseline
- Privacy — 100/100How this compares across the catalogue: The Privacy Gap
- Reliability — 100/100
- Standards — 100/100
- Discoverability — 100/100
What we measured
- Security headers present: HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
- No Content-Security-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 129 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
Who built it
Theo Popov · product account @Theo_Popov
Who it's for
GTM engineers · RevOps teams · AI agents · open-source tool builders · SaaS developers
Visit GTM Stacker → · Alternatives to GTM Stacker → · How this was measured →