Verifiable AI Coding Workflow

A small agent-assisted coding workflow where the useful artifact is not generated code, but a checked path from idea to tests, diff, review, and handoff.

Buildability
B2 engineer-repeatable
Status
candidate
Time
1-2 hours in a prepared repository
Cost
Low to medium, depending on model and test loop length
Human approval
Local file edits only; commits and deploys remain explicit approvals
Last verified
Oct 26, 2026

Outcome demo

Turn an implementation idea into a bounded coding task with checks and reviewable evidence. Wow moment: The agent does not just produce a patch; it leaves commands, changed files, acceptance checks, and a human-readable handoff. Current bottleneck: Requires a repo with runnable checks and a human willing to enforce task boundaries. This New Runtime record is an evidence-linked retrieval unit.

Can I build this?

Code level
Developer or technical operator
Data touched
Repository source, tests, local command output
Write actions
Local file edits only; commits and deploys remain explicit approvals
Sources
4 public receipts

System map

Human
Defines scope, approves write actions, reviews output.
Agent
Plans, edits, verifies, and reports with evidence.
Data
Repository source, tests, local command output
Actions
Local file edits only; commits and deploys remain explicit approvals
Proof / reproducibility

What has to reproduce

The JSON route exposes proof, handoff, permissions, acceptance checks, and source URLs in one replayable contract.

Verification
locally reproduced
Outputs
6 fixtures
Replay
2 receipts
Axes
7 assessed

Fixture outputs

  • Project JSON contractdist/projects/verifiable-ai-coding-workflow.json

    The JSON route exposes proof, handoff, permissions, acceptance checks, and source URLs in one replayable contract.

    Open route
  • Build brief handoffdist/projects/verifiable-ai-coding-workflow/build-brief.md

    The build brief preserves scope, non-goals, build steps, questions, and approval gates without requiring the original chat.

    Open route
  • Acceptance checklistdist/projects/verifiable-ai-coding-workflow/acceptance.md

    The checklist separates required checks, permission scopes, reproduction commands, known limits, and failure conditions.

    Open route
  • Clean-room replay fixturescripts/project-proof-depth-v2-fixture-test.mjs

    The fixture replays a bounded coding task in a temporary directory, proves the initial failure and final pass, and verifies that an unrelated file is unchanged.

  • Independent replay kitscripts/project-proof-independent-replay-kit.mjs

    The kit starts failing, exposes no ready solution, protects every out-of-scope file by checksum, and refuses to emit a receipt without a non-author attestation and a passing final check.

  • Independent agent replay receiptsrc/data/project-proof-receipts/verifiable-ai-coding-workflow-independent-agent-v1.json

    A separately operated Codex received only the isolated kit, observed the initial failure, changed only src/add.mjs, passed the final check, and produced an attestation that the primary verifier accepted.

    Open route

Replay commands

  1. npm run project-proof:replay:test
  2. npm run project-proof:replay:prepare
  3. npm run validate:content
  4. npm run build
  5. npm run validate:agent-indexes

Provider scopes

  • Local repositorywrite

    Focused source, test, or documentation files inside the shared worktree.

    The workflow proves a bounded implementation loop through local edits and checks.

    Human names the task and repository before edits start.

  • Git remotepublish

    Focused commit and push only when explicitly requested.

    Some workflows end in a reviewable remote branch or production release, but this is not automatic.

    Commit, push, deploy, and external writes require a separate explicit owner command.

  • Test runner or local dev serverread

    Named checks and local rendered routes needed for the accepted task.

    Model output is not evidence until a command, artifact, or rendered page confirms the claim.

    Human or repo docs identify which checks count for acceptance.

Seven-axis Buildability

non author replayed · 2026-08-06

timehigh
The clean-room task reaches a checked result in one bounded local run, while the public blueprint targets first value within one to two hours.
BottleneckRepository setup and test availability still determine the real start time.
code burdenmedium
The workflow needs a developer-readable task and a focused source edit, but no bespoke application or new service.
BottleneckA nontechnical owner still needs an agent or engineer to interpret failures.
integration burdenhigh
The replay uses only repository files, Node, a test runner, and the existing agent handoff contract.
BottleneckRepositories without a runnable local check need an integration step before replay.
operational burdenhigh
The first proof is local and temporary, requires no server, and deletes no shared or production state.
BottleneckLong-running or deployment tasks would need additional recovery and monitoring rules.
permission clarityhigh
Read, local-write, commit, push, deploy, and external-write boundaries are named separately in the build brief and acceptance contract.
BottleneckA broader task can still create ambiguity unless exact files and approvals are fixed before editing.
reproducibilityhigh
A separately operated Codex received only the isolated public kit, reproduced the initial failure, changed the one allowed file, and passed the same acceptance check without inspecting the author solution.
BottleneckA real external repository replay would test integration burden beyond this bounded fixture.
failure recoveryhigh
The replay records the initial failing check, preserves an unrelated file, performs no remote action, and leaves explicit residual-risk and approval sections.
BottleneckProduction rollback and credential recovery are outside this local proof.

Replay evidence

Bounded receipts, with limitations kept visible.

clean-room-bounded-edit-v1passed

automated clean room · 2026-08-06

npm run project-proof:replay:test
  • This replay proves the deterministic local contract and failure boundary, not a real external repository integration.
  • No human or separately operated agent independently interpreted the brief in this first replay.
independent-codex-replay-v1passed

independent agent · 2026-08-06

node --test test/add.test.mjs
  • This proves a bounded non-author replay of the public workflow contract, not integration into a production repository.
  • Reviewer identity is a local agent attestation and is not cryptographically verified.
Known limits
  • The workflow needs a repository with runnable checks; otherwise the blocker must be explicit and reproducible.
  • It does not replace human review for broad architecture changes, credentials, payments, or publication.
  • The proof is strongest for bounded tasks; exploratory research still needs a separate evidence workflow.
  • The independent replay proves the bounded public workflow contract, not integration into a real external or production repository.
  • The independent reviewer identity is a local agent attestation and is not cryptographically verified.

Fork with an agent

Use the build brief for execution context, the acceptance checklist for verification, and the JSON route for structured constraints.

Current state, as of Oct 20, 2026

Where this stands now

strengthening The workflow remains a practical way to turn coding ideas into bounded tasks with checks and reviewable evidence. Recent examples include LangChain’s conversion of documentation samples into runnable tests, divided between agent instructions and continuous integration.

The core workflow is still to define scope and acceptance checks, let an agent inspect and make a focused change, run a relevant check, and hand over evidence for human review. A passing command is evidence about what was checked, not universal proof.

Examples now span documentation samples converted into runnable, testable files, with work divided between agent instructions and continuous integration, and earlier build-review and testing workflows. For builders, the evidence supports adapting this pattern to a specific task while recording its environment, assumptions, and remaining human decisions.

What changed since the original text

  • LangChain described turning inline documentation code samples into runnable, testable files, with work divided between agent instructions and continuous integration. 1
  • Earlier examples documented build-review, browser-based testing, and repeatable security-testing workflows as implementations of bounded tasks with checks and reviewable outcomes. 2

Open questions

  • How reliably do these workflows catch errors across different repositories and task types?
  • What checks and human review are sufficient for a given task?
  • Do the examples report outcomes beyond test execution and reviewable evidence?

Watch next: Watch for reported results showing whether these workflows catch defects or improve review outcomes across real tasks.

  1. Weekly update: LangChain described a workflow for testing documentation code samples update, Oct 12, 2026
  2. Weekly update: New AI agent workflows demonstrate bounded coding tasks with built‑in checks and review update, Sep 21, 2026

Rewritten automatically by the New Runtime knowledge desk from this record's weekly updates, releases and archive. The original text below is kept as written; where the two disagree, this section is newer.

Weekly knowledge desk

Weekly updates

3 reviewed updates to this project, newest first. Every update is checked against its evidence before it changes the record.

  1. ConfirmedWeek of Oct 19, 2026

    Guides turn coding-agent work into bounded tasks with verifiable outputs

    A guide and companion skill describe isolating and specifying past coding-agent tasks and pairing them with a verifier. A separate account of a local supervisor emphasizes bounded work, verifiable outputs, and a human-controlled merge boundary, both illustrating the record’s workflow.

  2. ConfirmedWeek of Oct 12, 2026

    LangChain described a workflow for testing documentation code samples

    LangChain described converting inline documentation code samples into runnable, testable files. A related item says the workflow divides work between agent instructions and continuous integration, a concrete example of a coding task with checks and reviewable evidence.

  3. ConfirmedWeek of Sep 21, 2026

    New AI agent workflows demonstrate bounded coding tasks with built‑in checks and review

    Recent signals show several concrete implementations of the claimed verifiable AI coding workflow. Zed’s Delta public beta (e116) lets one agent build a feature while another reviews it before teammates approve, providing a clear build‑review loop. Cerebras’ internal QA pipeline (e120) runs plain‑English test files through an LLM agent in an authenticated browser, turning ideas into executable checks. GitHub Security Lab’s Taskflow Agent (e186) packages fuzzing as a repeatable, agent‑orchestrated vulnerability‑discovery workflow, delivering reviewable evidence of test outcomes. Together these items confirm that the record’s claim is being realized in practice.

Minimal build

  1. Write a task brief with files in scope, non-goals, and acceptance checks.
  2. Give the agent repo-specific operating instructions.
  3. Let it inspect before editing.
  4. Require a focused diff and a real check command.
  5. Keep commit, push, deploy, and external writes as separate approvals.

Evidence

The current site update itself is a candidate use case: post content, docs, production drift, and build checks had to be kept separate instead of collapsed into one “make website better” prompt.

September 2026 update

Minimal build

Write scope, non-goals, expected artifacts, acceptance checks, and approval gates before inspection. Then capture intended edit path, focused diff, check output, and final handoff. Build-review flow, browser QA, and repeatable security testing each supply a concrete version of this loop.

Failure mode

A passing command is not universal proof. Record what was checked, the environment, untouched assumptions, and the human decision still required.

Next reads

Read next

Open the graph
  1. 01related materialManual continue prompting -> goal-scoped agent loopsShift this project is designed to test.
  2. 02related materialAI Coding Workflow: From Idea to Verifiable WorkField Note supplying context for this project.
  3. 03related materialCoding Agent Cost Is Cut in Environment Config, Not PromptsField Note supplying context for this project.
  4. 04topicCoding agents - New RuntimeExplore the coding agents topic hub.
  5. 05related materialCoding Agent Cost ControlsShares coding agents.
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