Fiber is a Go natural fit for infrastructure / iac. GreatCTO auto-detects both — adds the infra archetype overlay, wires infra-specific gates, and runs 34 specialist agents around your existing Fiber workflow.
GreatCTO reads your go.mod and detects fiber + infra archetype from signals: imports, file structure, env vars, README hints.
Attaches the infra archetype overlay: archetype-specific reviewer + compliance gates. Override if your specifics differ; the defaults are sensible for Fiber-style projects.
qa-engineer runs go vet / staticcheck / go test -race -cover; security-officer reviews context cancellation + goroutine leaks; performance-engineer profiles pprof CPU + heap.
Bugs you've hit before in other Fiber projects (connection-pool exhaustion, ORM N+1 queries, retry storms) — the agent's Step 0 includes the prior detection order. MTTR drops 94 % on second occurrence (methodology).
$ cd my-fiber-app && npx great-cto init ✓ scanning manifests… found manifest ✓ stack: fiber (Go) ✓ archetype: infra ✓ overlay: applied ✓ 34 agents ready $ /start "add infra feature" ▸ architect drafting ARCH-infra.md… ▸ pm decomposing into beads tasks… ⚐ gate:plan — your approval needed
Approve → 3 senior-devs run in parallel worktrees → 5 reviewers fan out in parallel → gate:ship → deploy. One real run walked stage-by-stage: /proof.
No black-box "AI does it all" loop. GreatCTO is a deterministic state machine — 8 stages, 22 nodes, 2 human gates. Every node maps to a real agent on GitHub. Inspect the state machine →
$ npx great-cto init
Free, MIT, runs locally. Works in Claude Code, Cursor, OpenAI Codex CLI, Aider, and Continue.