Nestack Agent Care
Industries / Marketing / Web copy agent

Marketing AI agent · claim currency

SEO and Web Copy AI Agent

Revisit the claims a published page still makes years after the campaign that produced it ended: bind each one to its source and its owner, and leave the publishing to a named person.

4–6 weeksTypical delivery
Your stackDeployment
Claim currencyNamed owner
Agent CareAfter launch

What this agent does

Drafts the page, never publishes it

In
01

A page is drafted, and the claims inside it are pulled out and bound to the evidence behind each one.

02

A claim ages, and pricing, availability and capability move on while the sentence stays where it was.

Reason
03

A comparison names a rival, and the assertion is re-checked against its source before it is repeated.

04

An owner leaves, and the claims that person wrote sit orphaned until someone is named against them.

05

A page is rewritten, and the URL, a bookmarked heading and the redirect chain are all in play at once.

Decide
06

A template changes, and a claim inside it becomes a claim on every page built from that template.

07

A machine summarises the page alongside the person reading it, and structure serves both readers.

Out
08

A conformance target is set by you, and the agent works to it and names it on every page it touches.

09

Execute write actions only inside the approval boundaries agreed during implementation.

Product statement

Copy is drafted, each claim is bound to a source and an owner, and what a rewrite would break is shown first. Publication is a named owner's act.

Example workflow

One page, draft to publication

AgentHuman
1Page evidence receivedContent briefs, source documents, product data or crawl captures
2Page context assembledThe page, the template behind it, the claims it carries and the day each was last checked
3Draft and claim register preparedThe page, its claims, the sources behind them and completeness
4Controls appliedClaim-source checks, currency checks, breakage previews and completeness confidence
No human action required

Nothing is published across stages 1 to 4 — the agent runs them unaided and drafts only, and the review lane opens at the completeness gate.

5DecisionSplits at the completeness gate
Evidence sufficient

Goes to the page owner to publish.

Anything thin

Adds a specialist read first.

Specialist review

The draft is held with its claims, their sources and the pages a change would touch.

Publish · Append evidence · Send to review
Published — by a named owner
6Page and template records updatedOnly where write access and records policy allow it
7Outcome evaluatedClaim currency, source coverage, reviewer corrections and what the read found
Corrections

Each specialist correction is counted in the evaluation.

What should not run autonomously

Human approval stays in control

Outside the boundary — human approval required8 items
Publishing a page, or any change to one.
Approving a claim no source supports.
Setting the conformance target for the site.
Signing off a template used across the estate.
Automation boundaryAgent acts unaided
Draft the copy and bind each substantive claim to its stated source.
Date each claim and name the orphans that outlived.
Show what a rewrite would break before the change reaches the live page.
Check the claim against the source it cites and report.
Nothing is published or asserted except by a named person, inside the agreed boundaries.
Judging whether a claim is legally defensible.
Promising a position in any search result.
Deciding which pages a rewrite may retire.
Changes to templates, URLs or redirect rules.

Example output

One claim, annotated

A published page is a standing claim: unlike a campaign it does not end, so this record holds where one claim came from, when it was last checked and who answers for it.

Claim register · single pageIllustrative example
Claim
Recorded as
Page
Evidence of record
Confidence
Held for
Capability claim, product page
Bound to a source, checked at draft
Capability
Source review, 3 August 2026
Held unpublished
The page owner, by name
As receivedRead from the brief, the source document and the live page — it reaches as far as those sources do.
What the record holds Source document Last checked Named owner
Why no publication hereWhether the claim may stand is the page owner's call, not a model output.
ActionPublishAppend evidenceSend to review
What the score decidesA draft below the configured threshold picks up a specialist read before the owner sees it.

Value

Where AI adds value

The same four claims, placed at the point in the workflow where each one applies.

Where the value landsValue 01 – 04
Every claimFrom the page that carries it
03Evidence

Where the evidence is used

Our advertising pages sit agency-side and answer to the client who booked the work; this one answers to the brand functions that own the site and lives with the page after the campaign ends.

01Approved path

A page owes two readers

The person and the machine that summarises the page read the same words, so headings, structure and answerability are craft rather than tricks, and no technique is proposed whose purpose is to mislead either one.

02Human review

What was checked, and not found

No federal web accessibility regulation binding private businesses in the United States was located: the rulemaking opened in 2010 was withdrawn in December 2017 and never replaced. The European Accessibility Act ties its e-commerce definition to concluding a consumer contract, so a purely informational brand site sits outside it, and no guidance squarely resolving that was found. WCAG 2.2 is the current published version, and the successor line remains an early working draft rather than a standard. No search engine publishes a ranking guarantee, and none is assumed here.

04Build an evidence trail

The page, the claim it carries and the owner who published it stay on the record.

Integrations

Typical integrations

Five system groups connect to the same agent. Which of them are in scope is decided in discovery.

Content and publishingCMS · page templates
Live pages and drafts
Claim sourcesProduct data · pricing · approved copy
Source documents
Search and crawl dataSearch console · crawler exports
Index and redirect records

Agent

SEO and web copy

Reads the pages
Checks the claims
Holds for the owner

Ownership and case systemsDirectory · ticketing
Owner and review records
Observability & evaluationOpenTelemetry · Langfuse
Supported monitoring/evaluation sources

Integration availability depends on the client's existing systems and API access.

Agent controls

Six sieves between the model and the owner

Six sieves worked in turn, the last the closest. Whatever falls through is drawn in the map below.

L6 · Outermost — last line of defenceInward → L1 · closest to the model
L6Rollback / safe modeFall back to draft proposals alone when evaluation or production signals degrade.Roll back
L5Version monitoringTrack model, prompt and claim rules; a template rule that shifts quietly shifts every page built from it.Track
L4TraceabilityRecord each page, the claims on it, the sources behind them and every read of the draft.Record
L3Owner releaseHold the draft for a named owner; that hold governs publication, not whether the claim itself is sound.Gate
L2Publishing guardrailsTest each draft against your claims library, your style rules and whatever conformance target you configure.Restrict
L1Confidence thresholdsRoute a thin draft to a specialist read before the page owner sees it.Require review
Model coreEvidence assembled — the page, its claims, their sources and completeness
L1 – L2Test whether a draft may go live
L3Puts the publication in a person's hands
L4 – L5Keep the page and the claim behind it
L6Narrows to draft proposals when signals degrade

How Nestack evaluates it

The whole assembly is evaluated, not only the draft that comes out.

Coverage runs the whole depth of the workflow, and every layer is cut by slice.

Surface — the page a reader lands on
Depth of coverage ▼
E1Final-output evaluationDoes the draft carry only claims a source supports?
E2Step-level evaluationWas the right page, the right template and the live copy actually read?
E3Tool evaluationWas the correct page record and the correct claim read and written?
E4Confidence calibrationDo low-confidence drafts really attract more specialist corrections?
E5Slice evaluationWhere does performance move across specific page templates?
E6Business outcomeHow many drafts took a correction before the owner published?
Floor — the estate the brand answers for

Failure modes

Where each failure originates in the agent

Seven failure modes, each placed at the stage where it first shows.

Agent lifecycleDirection of processing →
01 · Retrieval1 mode
LI-03

Stale page read

The copy read is not the copy now being served.

Stage gathersThe pages, the claims, the sources and the owners
02 · Reasoning2 modes
LI-04

Claim asserted, not sourced

A claim is written with no source behind it.

LI-06

Ranking outcome promised

A draft implies a position search cannot grant.

Stage proposesThe pages, their claims and completeness
03 · Tool / write2 modes
LI-02

Thin draft passed forward

A draft moves on without the specialist read.

LI-05

Bound to the wrong page

A claim is filed against the wrong URL.

Stage writesOnly where write access and approval policy allow it
04 · Output1 mode
LI-01

Published, source unrecorded

The record shows a publication but not what supported it.

Stage returnsThe draft an owner publishes and a reader later reads
05 · Change / Version1 mode
LI-07

Silent template regression

A template edit changes the claim, not the record.

Stage tracksModel, prompt, claim rules and page fields
Sev-1 · a claim published with no source Sev-2 · wrong owner recorded on a page Sev-3 · source degrades, draft held back

Affected slices

Comparison pages absorb the corrections

A template-level claim-currency figure can read clean while comparison and versus pages carry most of the rework. Nestack reports the correction rate by page template, not only in total.

Slice performance — reported separately, not only in aggregateIllustrative example
SliceFailure rateLift Lift vs. thresholdStatus
Comparison and versus pages10.0%3.6× Review
Product and pricing pages7.1%2.6× Review
Solution and category pages4.4%1.6× Watch
Editorial and evergreen posts1.5%0.5× Normal
Bar: correction-rate lift vs. editorial baseline · scale 0–4.0× · tick marks the 2.0× review threshold 2 of 4 slices over threshold

Evidence-linked improvement

What an orphaned claim costs

A cycle ends when the orphaned claim is a standing case. That suite is what the next page published is measured against.

Improvement cycle · five stagesSwitchback — the path turns at Improve and returns at Learn
01Detect

Correction rate rises on comparison and versus pages.

02Diagnose

The claim still live on a page nobody has owned since the person who wrote it left is read back until one cause remains.

03Improve

Changes leave numbered, and the pages that forced them travel attached.

04Verify

One page case still failing is enough to stop the whole release.

05Learn

The case is kept, and the publication rules are rewritten alongside it.

Learn → DetectThe return edge. The next page is measured against a suite one case longer.

Typical build scope

Twelve workstreams across six weeks

Build scope set against the delivery timeline. The week structure follows the six-week plan — discovery, sources, draft assembly, evaluation, integration, then production validation and handover.

Workstream Week 1Week 2Week 3Week 4Week 5Week 6
01Claim-currency discovery and automation-boundary work.
02CMS, source and search-console feeds.
03Claim-to-source and owner-coverage rule mapping.
04Page and template ingestion.
05Page, claim and owner binding.
06Completeness scoring and review routing.
07Owner publication workflow.
08CMS and search-console integration.
09Claim-currency and template cases.
10Guardrails and publication controls.
11Page-trail instrumentation.
12Deployment, documentation and Agent Care handover.
12 workstreams · 6 weeks · bar shows the weeks a workstream is active — several run in parallel Final scope and sequence confirmed in discovery

Engagement tiers

What each tier includes

Rows are the capabilities named in each tier's scope. Higher tiers include everything below them.

Capability✓ in scope · — not at this tier PilotOne template, one quarter ProductionProduction publication workflow AdvancedMultiple locales / brands
Introduced at Pilot
Draft assembly to your claims library
Page owner publication control
Indexable-page baseline
Introduced at Production
Reporting by page template
Publication workflow in your CMS
Approved write-back
Content-system integration
Introduced at Advanced
Multi-locale estates
Cross-market claim packs
Large page estates
Multi-locale publication controls
Build price From $5,000 From $8,000 Custom quote
Final build priceSet after discovery, from the integrations, workflow complexity, page volume, approval controls and deployment requirements.
Separate from buildBuild pricing is separate from recurring Agent Care, which covers managed monitoring, evaluations, incidents and verified improvements after launch.

What we need from you

What you bring, and what we build with it

Each input maps to a piece of build scope and a week in the delivery timeline.

You bringWe build with it
01Your pages and the templates behind them Page inventory mapping and claim captureWeek 1
02Representative briefs, source documents and live pages Record binding, currency logic and the claim baselineWeek 2
03Your claims library and the conformance target you set Claim mapping, owner binding and the automation boundaryWeek 1
04Access to relevant APIs, feeds or exports CMS, source and search-data assessment, then integration setupWeek 2
05Pages you would not want cited Currency cases and the evaluation suiteWeek 4
06What no ranking signal may guarantee Completeness scoring, review routing, guardrails and publication controlsWeek 3
07A named owner to publish the page Publication workflow, then pilot and production validationWeeks 5–6
Nothing else is required Deployment, documentation and Agent Care handover are ours.

Delivery timeline

Four phases across six weeks

Each bar is sized to the weeks that phase genuinely needs, and so the fifth of them doubles up.

Phase W1W2W3W4W5W6
Discovery W1
Build W2 – W3
Evaluate W4 – W5
Pilot & Launch W5 – W6
Week focus W1Web workflow discovery, claim mapping and the automation boundary W2Source integration and the claim-currency baseline W3Draft assembly, currency logic and publication controls W4Evaluation suite, currency cases and failure-mode testing W5CMS integration, pilot pages and targeted corrections W6One publishing year run under the web lead, then Agent Care handover
Reading the bandA bar spans only the weeks its own work is named for. The fifth doubles up because the work does.
At the end of W6When the page record validates, Agent Care picks the agent up.
DurationSix-week plan shown · typical delivery 4–6 weeks depending on scope confirmed in discovery.

Next step · Marketing AI agent

Build a web copy agent around the claim that outlived the person who wrote it.

Show us one page and the claim on it you would least like quoted back. Ask who owns that claim once its author has gone and the honest answer is nobody, which is the whole subject here. No position in any search result is promised, because search results are not ours to grant.

Nestack Agents · claim currencyAGT-MK-06 · Agent Care available after launch