STRIPE PUB_DATE: 2026.03.03

FROM VIBE CODING TO AGENTIC ENGINEERING: PEV, CONTEXT, AND EVALS THAT SHIP

Production teams are moving from vibe coding to agentic engineering that plans, executes, and verifies work with tight context and evals. A practical guide to ...

Production teams are moving from vibe coding to agentic engineering that plans, executes, and verifies work with tight context and evals.

A practical guide to agentic engineering argues for a Plan → Execute → Verify loop, with humans acting as architects and supervisors while agents plan, write, test, and ship; it cites real adoption signals like TELUS time-savings, Zapier-wide usage, and Stripe’s weekly PR throughput guide. Context discipline is emerging as a make-or-break factor: a new study shows repo-level AGENTS.md/CLAUDE.md files can degrade agent performance, pushing teams toward slimmer, task-scoped context that’s validated in CI (AGENTS.md breakdown, DevOps context engineering).

Architecturally, vibe coding is “already dead” at scale; production agents enforce planning, tests, PR gates, and continuous evals before code lands Stripe agent deep dive. For hands-on operating patterns—self-checks, context management, and when to escalate to humans—see this practitioner’s playbook effective coding agents.

[ WHY_IT_MATTERS ]
01.

It provides a repeatable method to ship AI-authored changes safely at scale.

02.

It reduces AI slop and technical debt by enforcing context, tests, and feedback loops.

[ WHAT_TO_TEST ]
  • terminal

    Benchmark curated task-scoped context vs a single AGENTS.md in CI on your own repo and track fix-forward vs rollback rates.

  • terminal

    Gate agent-authored PRs behind unit/integration tests, SAST, and policy checks, and measure pass rates and lead time.

[ BROWNFIELD_PERSPECTIVE ]

Legacy codebase integration strategies...

  • 01.

    Start with read-only agents proposing PRs under existing CI/SAST and incrementally grant scoped writes once evals stabilize.

  • 02.

    Map service contracts and data schemas, then seed agents with contract and migration tests to prevent cross-service regressions.

[ GREENFIELD_PERSPECTIVE ]

Fresh architecture paradigms...

  • 01.

    Design repos for agents from day one: task-scoped context folders, deterministic setup scripts, and golden tests per service.

  • 02.

    Treat evals as code by maintaining a small benchmark suite in CI and tracking agent performance over time.

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