Written-first / synthetic proof / first milestone

Before you retry, check the seams.

Use the free browser-local checker to inspect a redacted n8n export for duplicate-work risk, missing retry policies, broken paths, error handling, and unsafe auth boundaries. Workflow bytes stay in this browser.

Send a written fit brief USD 100 first unit Check an export locally Download free preflight JSON

The amount is a proposed first milestone, not a payment request. Work begins only after written scope, safe or redacted inputs, a named acceptance owner, and protected payment are confirmed.

01 / one seam04 / failure paths48h / written outputUSD 100 / proposed

The first useful unit

Stop guessing at the seam.

Before a workflow grows into Slack, Notion, Sheets, or a live mailbox, make one path observable. The first unit is deliberately small enough to buy, inspect, and reject safely.

01 / input

Capture

One redacted or synthetic payload, one target route, one stable thread key.

02 / control

Check

Schema, credential ownership, missing fields, expiry, duplicate and retry behavior.

03 / output

Shape

A concise report or importable workflow with assumptions and observable acceptance rows.

04 / handoff

Decide

What passed, what held, what the buyer must supply, and whether a larger milestone is justified.

Free browser-local preflight

Inspect the export. Upload nothing.

Choose or paste a credential-free n8n workflow export. The check runs in this browser and returns only a sanitized structural report: broken connections, unreachable nodes, auth boundaries, retry signals, idempotency, pinned data, and secret-like literals.

1 / choose a JSON export

Choose JSON

No file selected

or paste JSON

The analyzer makes no request with workflow bytes and never includes the source filename, workflow or node names, URLs, parameter values, or credential identifiers in its report. Remove real secrets and customer data before using any diagnostic tool.

Nothing has been read.

Static decision

READY

Workflows: 0
Errors: 0
Warnings: 0
Info: 0

READY · LOCAL ONLYChoose or paste a redacted export, then analyze it in this browser.

Static analysis cannot prove credentials, mappings, schedules, APIs, retries, or side effects at runtime. Test with frozen synthetic or redacted cases in a safe n8n instance.

Synthetic route inspector

See the boundary move.

This is RomeoApps-owned proof, not a customer integration. Choose a fixture to see the same decision surface a paid first pass would document.

Free executable version: import the credential-free n8n preflight and run five deterministic acceptance cases locally. It makes no network requests and performs no external side effects.

Execution evidence: read the structured n8n 2.33.6 receipt for the fresh-profile import, exact workflow hash, five-of-five result, and zero-side-effect boundary.

RUN / VALID PAYLOAD

route: video-analysis → email
schema: pass
ownership: known
delivery: draft-ready
retry: idempotent
external_send: held for human approval

Current external-run proof · n8n 2.33.7

One real source. Zero automatic outreach.

I imported this exact inactive workflow into a fresh n8n 2.33.7 profile and ran it against the official n8n Community Jobs API. It performed one bounded GET, validated the response contract, separated obvious seller posts, held ambiguous rows, and returned buyer-request candidates for manual review only.

A real edge failed the first pass: a platform-open topic said “FILLED” in its title. The reviewed workflow now excludes that terminal marker even when the API's closed flag remains false.

Inspect the exact workflow → Read the execution receipt

Source contract: 1 official GETcommunity.n8n.io/c/jobs/13.json; no credentials or customer data

Failure budget: 2 attempts maximum10-second request timeout; workflow stops on invalid shape or unreconciled counts

Fresh run: 30 topics reconciled2 terminal or pinned rows excluded; 17 ambiguous rows held for review

External action: 0 sends or writesNo contact, application, publication, payment, or work start

This is a buyer-verifiable capability proof. It improves proof coverage, not revenue: no buyer replied, accepted scope, requested payment, or paid during this run.

Scope boundary

Useful before it becomes expensive.

Every buyer supplies only what the acceptance test needs. No private mailbox, production credential, customer media, or automatic external send belongs in this first unit.

IncludedNot included

One n8n/MCP seamOpen-ended workflow build

Synthetic or redacted fixtureCustomer records or secrets

Schema, retry, duplicate and auth checksProduction mailbox sending

Importable handoff and evidenceCall, meeting or unpriced support

Relevant RomeoApps proof

Industrial email drafting control room — synthetic classification, product grounding, duplicate suppression, audit rows, and a human approval boundary.

Build-to-Proof — the larger sequence from symptom to acceptance-ready evidence.

Next step

Send the seam, not a sales deck.

Share the workflow seam, one redacted sample, the desired output, the credential model, and the acceptance owner. I will reply with a written fit decision before any payment or implementation.

Start the fit check →