AccountingManaged AI Agents

Accounting AI Agents,
Monitored for Accuracy

Nestack Agent Care helps accounting firms monitor, evaluate, and optimize AI agents used for bookkeeping, tax support, invoicing, reconciliation, and client reporting — before small AI errors become client-facing financial issues.

176failure modes
78SEV-1 failure modes
2070+baseline eval cases
24/7Agent Monitoring

Scope

Accounting AI agents we build & manage

Twenty-one archetypes — from bookkeeping and payroll to statutory e-invoicing and the tax provision.

Observability

What we make observable

Every accounting session is traced across ten layers — what we capture and the evidence we keep.

  1. Evidence we keep
    Goalconstraintsapproval requirement
  2. Evidence we keep
    Sourceversiontimestamprelevancecitation
  3. Evidence we keep
    Planned sequenceactual sequenceworkflow status
  4. Evidence we keep
    Task statusresultretryfailure reason
  5. Evidence we keep
    Tool nameversioninputoutputpermissionresult
  6. Evidence we keep
    Model/versioninput/outputtoken usagelatencycost
  7. Evidence we keep
    Evaluation typemetricthresholdresult
  8. Evidence we keep
    Guardrail targettriggeractionenforcement result
  9. Evidence we keep
    Reviewerdecisioncorrectionreason
  10. Evidence we keep
    Outcome statusbusiness resultlinked trace

Catalog

Failure modes

Filter failure modes by where they occur in the agent lifecycle—from goals and retrieval to tools, evaluations, guardrails and outcomes.

Nothing on this page matches that. Try a layer (tool, retrieval, guardrail), a code, or a severity.

0 documented↑↓ move · ↵ open · ⌘↵ filter matrix
176 documented · select a cell to filter
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ACC-01Wrong tax guidance — misapplied jurisdiction, year, or entity typeSEV-1
ACC-02Transaction misclassification at scaleSEV-2
ACC-03Hallucinated citations — invented rulings, sections, or precedentsSEV-1
ACC-04Advice-boundary crossing — output reads as licensed tax adviceSEV-1
ACC-05Numeric extraction errors from invoices and statementsSEV-2
ACC-06Cross-client data leakage in multi-tenant practiceSEV-1
ACC-07Stale thresholds and rates after budget/legislative changesSEV-2
ACC-08Audit-trail gaps or alterationsSEV-2
ACC-09Depreciation-schedule errors — wrong method, life, or start dateSEV-2
ACC-10GST/BAS tax-code errors — wrong code, input-credit, or supply treatmentSEV-2
ACC-11Bank-feed auto-reconciliation false matchesSEV-2
ACC-12Payroll and superannuation calculation errorsSEV-1
ACC-13Multi-currency and FX translation errorsSEV-2
ACC-14Period-cutoff and accrual-basis errorsSEV-2
ACC-15Prompt injection via invoices, statements, and email bodiesSEV-1
ACC-16Data exfiltration via crafted documents — zero-clickSEV-1
ACC-17Vendor bank-detail change fraud auto-processedSEV-1
ACC-18Fake or duplicate vendor onboarding and split-invoice threshold gamingSEV-2
ACC-19Memory and context poisoning — delayed, persistent compromiseSEV-1
ACC-20Deepfake or voice-clone authorization of payments and changesSEV-1
ACC-21Irreversible action without human approval gateSEV-1
ACC-22Duplicate execution and idempotency failure on retriesSEV-2
ACC-23Segregation-of-duties collapse — create, approve, and pay in one agentSEV-1
ACC-24Unauthorized disclosure of return information to non-approved AI tools (§7216)SEV-1
ACC-25Silent model-version regression behind a pinned endpointSEV-2
ACC-26Multi-step calculation failure with correct inputsSEV-2
ACC-27Answer instability on semantically identical factsSEV-3
ACC-28Automation bias — rubber-stamped review of agent outputSEV-2
ACC-29Missing client consent or engagement-letter gap for AI useSEV-2

A · Bookkeeping & transaction-classification agents

BK-03Context retrieval failure01 · RetrievalSEV-3
BK-04Tax-treatment error02 · ReasoningSEV-1
BK-06Policy-rule violation02 · ReasoningSEV-1
BK-02Low-confidence auto-posting03 · Tool / writeSEV-1
BK-05Duplicate processing03 · Tool / writeSEV-2
BK-01Transaction misclassification04 · OutputSEV-2
BK-07Silent version regression05 · Change / VersionSEV-2

B · Tax-question copilots (jurisdiction-aware)

TQ-01Superseded authority cited01 · RetrievalSEV-2
TQ-02Authority coverage gap01 · RetrievalSEV-3
TQ-03Fabricated citation02 · ReasoningSEV-1
TQ-04Jurisdiction or period mismatch02 · ReasoningSEV-2
TQ-05Advice-boundary crossing03 · Tool / writeSEV-1
TQ-06Unsettled point answered flat04 · OutputSEV-1
TQ-07Silent corpus drift05 · Change / VersionSEV-2

C · Invoice-processing & AP agents

AP-01Unreadable or partial scan01 · Capture / retrievalSEV-3
AP-02Altered remit-to accepted01 · Capture / retrievalSEV-1
AP-03Split PO match02 · Matching & codingSEV-2
AP-04Credit note coded as payable02 · Matching & codingSEV-2
AP-05Duplicate invoice passes03 · Tool / writeSEV-1
AP-06Approval-route bypass04 · OutputSEV-1
AP-07Silent tolerance regression05 · Change / VersionSEV-2

D · Reconciliation assistants

RC-01Partial statement or extract01 · RetrievalSEV-3
RC-02Aged items rolled forward01 · RetrievalSEV-1
RC-03Tolerance absorbs a break02 · MatchingSEV-1
RC-04Amount-only false match02 · MatchingSEV-2
RC-05Duplicate clearing03 · Tool / writeSEV-2
RC-06Residual netted to tie04 · OutputSEV-1
RC-07Silent tolerance drift05 · Change / VersionSEV-2

E · Audit-preparation copilots

AU-01Evidence coverage gap01 · RetrievalSEV-3
AU-02Wrong entity or period01 · RetrievalSEV-2
AU-03Prior year carried unchecked02 · ReasoningSEV-2
AU-04Population shown as complete02 · ReasoningSEV-1
AU-05Release before sign-off03 · Tool / writeSEV-1
AU-06Evidence-to-item mismatch04 · OutputSEV-1
AU-07Silent version drift05 · Change / VersionSEV-2

F · Month-end-close orchestration agents

MC-01Evidence not retrieved01 · RetrievalSEV-3
MC-02Dependency violation02 · SequencingSEV-1
MC-03Cut-off breach02 · SequencingSEV-2
MC-04Duplicated accrual reversal03 · Tool / writeSEV-2
MC-05Intercompany left unbalanced03 · Tool / writeSEV-2
MC-06Green over an unmet gate04 · OutputSEV-1
MC-07Reopening not propagated05 · Change / VersionSEV-1

G · Sales-tax & compliance-filing agents

ST-01Rate applied from the wrong date01 · RetrievalSEV-2
ST-02Sourced to the wrong jurisdiction02 · DeterminationSEV-2
ST-03Exemption claimed without support02 · DeterminationSEV-2
ST-04Filed or paid without authorisation03 · Tool / writeSEV-1
ST-05Filed to the wrong period03 · Tool / writeSEV-1
ST-06Return does not tie to the ledger04 · OutputSEV-3
ST-07Nexus or calendar drift05 · Change / VersionSEV-1

H · Expense-audit & policy-compliance agents

EX-01Cropped receipt image01 · Capture / retrievalSEV-3
EX-02Card and cash duplicate01 · Capture / retrievalSEV-2
EX-03Split claim under a limit02 · Policy evaluationSEV-2
EX-04Stale policy version02 · Policy evaluationSEV-1
EX-05Flag on the wrong line03 · Tool / writeSEV-1
EX-06Flag without its reason04 · OutputSEV-1
EX-07Flag rate drifts by team05 · Change / VersionSEV-1

I · Audit evidence-testing agents

AE-01Selection drifts from the plan01 · RetrievalSEV-1
AE-02Reperformance not reproducible01 · RetrievalSEV-3
AE-03Untested entity report used02 · ReasoningSEV-2
AE-04Assertion not evidenced02 · ReasoningSEV-2
AE-05Recorded before review03 · Tool / writeSEV-1
AE-06Exception closed by rule04 · OutputSEV-1
AE-07Narrowed exception rules05 · Change / VersionSEV-1

J · Client document-collection & follow-up agents

DC-01Chase for a supplied item01 · Request buildSEV-1
DC-02Unreadable upload passes01 · Request buildSEV-3
DC-03Wrong period or entity02 · Match & checkSEV-2
DC-04Partial upload passes02 · Match & checkSEV-2
DC-05Over-chasing past the cadence03 · Outreach / writeSEV-1
DC-06Chase to the wrong contact04 · OutputSEV-1
DC-07Silent matching regression05 · Change / VersionSEV-2

K · Engagement-letter & client-onboarding assistants

EL-03Incomplete party list01 · RetrievalSEV-3
EL-01Wrong-service scope clause02 · ReasoningSEV-2
EL-04Ownership taken on trust02 · ReasoningSEV-1
EL-02Letter issued before acceptance03 · Tool / writeSEV-1
EL-05Screening match pre-judged04 · OutputSEV-1
EL-06Rating without consequence04 · OutputSEV-1
EL-07Silent clause drift05 · Change / VersionSEV-2

L · Variance-analysis & commentary copilots

VA-01Comparative moved since reported01 · RetrievalSEV-2
VA-02Like-for-like basis missing01 · RetrievalSEV-3
VA-03Correlation named as driver02 · DecompositionSEV-1
VA-04Offsetting movements netted02 · DecompositionSEV-2
VA-05Reviewer edit overwritten03 · Tool / writeSEV-1
VA-06Movement restated, not explained04 · OutputSEV-2
VA-07Reclassification read as movement05 · Change / VersionSEV-1

M · Disclosure-drafting & reporting assistants

DR-01Comparative unchecked01 · RetrievalSEV-2
DR-02Policy not on file01 · RetrievalSEV-3
DR-03Boilerplate over entity facts02 · ReasoningSEV-2
DR-04Requirement missed02 · ReasoningSEV-1
DR-05Written before approval03 · Tool / writeSEV-1
DR-06Reference or tag misdirected04 · OutputSEV-2
DR-07Note stops agreeing05 · Change / VersionSEV-2

N · Accounts-receivable & collections agents

DU-03Superseded aging snapshot01 · RetrievalSEV-3
DU-04Full-satisfaction blindness02 · ReasoningSEV-1
DU-06Deduction mischaracterized02 · ReasoningSEV-1
DU-02Low-confidence auto-apply03 · Tool / writeSEV-1
DU-05Duplicate remittance posted03 · Tool / writeSEV-2
DU-01Misapplied remittance04 · OutputSEV-2
DU-07Silent contact-rule drift05 · Change / VersionSEV-2

O · Payroll-processing & filing agents

GN-03Non-authoritative jurisdiction data01 · RetrievalSEV-3
GN-04Regular-rate omission02 · ReasoningSEV-1
GN-06Stale threshold applied02 · ReasoningSEV-1
GN-02Low-confidence auto-release03 · Tool / writeSEV-1
GN-05Final-pay rule skipped03 · Tool / writeSEV-2
GN-01Garnishment-cap error04 · OutputSEV-2
GN-07Silent rule-table regression05 · Change / VersionSEV-2

P · Tax-return preparation & review agents

RP-03Superseded prior-year source01 · RetrievalSEV-3
RP-04Unsupported position drafted02 · ReasoningSEV-1
RP-06Credit claimed without diligence02 · ReasoningSEV-1
RP-02Unconsented data transfer03 · Tool / writeSEV-1
RP-05Stale election carried forward03 · Tool / writeSEV-2
RP-01Preparer identifier omitted04 · OutputSEV-2
RP-07Silent mapping regression05 · Change / VersionSEV-2

Q · Statutory e-invoicing & e-reporting agents

EI-03Stale registration source01 · RetrievalSEV-3
EI-04KSeF legal-date error02 · ReasoningSEV-1
EI-06Threshold misapplied02 · ReasoningSEV-1
EI-02Resend abandoned after outage03 · Tool / writeSEV-1
EI-05Obligation conflated03 · Tool / writeSEV-2
EI-01Rejection read as accepted04 · OutputSEV-2
EI-07Silent mandate regression05 · Change / VersionSEV-2

R · Revenue-recognition agents (ASC 606)

RU-03Superseded contract version01 · RetrievalSEV-3
RU-04Modification treatment reversed02 · ReasoningSEV-1
RU-06Residual method defaulted02 · ReasoningSEV-1
RU-02Commission period undersized03 · Tool / writeSEV-1
RU-05Constraint left stale03 · Tool / writeSEV-2
RU-01Gross presentation error04 · OutputSEV-2
RU-07Silent estimation-method drift05 · Change / VersionSEV-2

S · Lease & fixed-asset accounting agents

RO-03Superseded amendment used01 · RetrievalSEV-3
RO-04Bright-line threshold applied02 · ReasoningSEV-1
RO-06Remeasurement read as modification02 · ReasoningSEV-1
RO-02Low-confidence schedule posted03 · Tool / writeSEV-1
RO-05CIP depreciated pre-service03 · Tool / writeSEV-2
RO-01Embedded lease unflagged04 · OutputSEV-2
RO-07Silent rate-hierarchy regression05 · Change / VersionSEV-2

T · Tax-provision agents (ASC 740)

TX-03Superseded basis snapshot01 · RetrievalSEV-3
TX-04Recognition-measurement collapse02 · ReasoningSEV-1
TX-06Discrete item folded into rate02 · ReasoningSEV-1
TX-02Valuation allowance auto-set03 · Tool / writeSEV-1
TX-05True-up posted without review03 · Tool / writeSEV-2
TX-01Disaggregation threshold missed04 · OutputSEV-2
TX-07Stale rate assumption05 · Change / VersionSEV-2

U · Vendor-master & payment-verification agents

VM-03Superseded callback contact01 · RetrievalSEV-3
VM-04Ownership-aggregation rule missed02 · ReasoningSEV-1
VM-06Hit read as cleared02 · ReasoningSEV-1
VM-02Low-confidence auto-release03 · Tool / writeSEV-1
VM-05Stale verification reused03 · Tool / writeSEV-2
VM-01Segregation-of-duties breach04 · OutputSEV-2
VM-07Silent backup-withholding gap05 · Change / VersionSEV-2

Guardrails

Critical guardrails for Accounting agents

Twelve controls that hold regardless of prompt, plan or pressure. Open one to see what it protects, what trips it, what the agent is forced to do, who may release it, and what is written to the record.

GR-01No payment release without approvalOverride defined
  1. Target

    Outbound payment execution — AP runs, single payments, payroll disbursement

  2. Trigger

    Any payment instruction reaching the execute step

  3. Action — enforced

    Hold in pending; the agent may prepare and validate, never release

  4. Human override

    Named approver in the client’s delegation matrix; two approvers above threshold

Logged evidencePayment ID · approver identity · timestamp · channel · pre/post state

GR-02No tax-filing submission without authorised sign-offOverride defined
  1. Target

    Lodgement endpoints — BAS, IAS, income-tax returns, payroll filings

  2. Trigger

    A prepared return reaching submit

  3. Action — enforced

    Block submission; produce the filing package and a diff against prior period

  4. Human override

    Registered agent or licensed preparer only, per the engagement record

Logged evidenceReturn version hash · signer identity and licence · jurisdiction · period

GR-03No cross-client retrievalNo override
  1. Target

    Every retrieval call against document stores, ledgers and agent memory

  2. Trigger

    A request whose resolved client scope differs from the session engagement

  3. Action — enforced

    Hard deny at the retrieval layer; no partial results returned

  4. Human override

    None — cannot be overridden in session

Logged evidenceEngagement ID · requested scope · denial reason · query fingerprint, no content

GR-04No unapproved external tool for return informationOverride defined
  1. Target

    Any tool, model endpoint or integration that would receive return information

  2. Trigger

    An outbound call to a destination outside the approved, consented boundary

  3. Action — enforced

    Block the call and strip the payload; re-route to an approved endpoint if one exists

  4. Human override

    Compliance owner, via a change to the approved-tool register — never ad hoc in session

Logged evidenceDestination · data classes attempted · consent record on file · register version

GR-05No irreversible action without maker-checker controlOverride defined
  1. Target

    Ledger posting, journal reversal, vendor master changes, period close, deletion

  2. Trigger

    Any action flagged non-reversible or above the client’s materiality threshold

  3. Action — enforced

    Split into maker and checker steps; the creating identity cannot approve

  4. Human override

    Checker on a different credential; break-glass requires partner authorisation

Logged evidenceMaker and checker identities · both timestamps · before/after values · materiality basis

GR-06No use of stale tax-rule corpus past effective dateOverride defined
  1. Target

    The rule, rate and threshold corpus behind every answer and calculation

  2. Trigger

    Corpus effective date older than the period worked, or a superseded ruling

  3. Action — enforced

    Refuse to answer from stale rules; escalate for refresh; mark affected outputs

  4. Human override

    Domain reviewer may accept a documented exception for a single engagement

Logged evidenceCorpus version and effective date · rule IDs used · exception record if any

GR-07No vendor banking change without out-of-band verificationOverride defined
  1. Target

    Vendor master records — remit-to accounts, routing/BSB, payee names

  2. Trigger

    Any request to add or change stored banking details, whatever the channel

  3. Action — enforced

    Hold the change; require a callback to a number already on file, never one supplied in the request

  4. Human override

    AP manager, only after the documented callback plus second sign-off above threshold

Logged evidenceRequested change · requester and channel · callback number used · verifier identity · timestamps

GR-08No instruction embedded in documents or email ever executedNo override
  1. Target

    Every invoice, statement, remittance advice, email body and attachment the agent reads

  2. Trigger

    Content that parses as an instruction — visible, hidden text, metadata or encoded

  3. Action — enforced

    Treat it as data only; flag the document; never alter routing, memory or tool calls because of it

  4. Human override

    None — cannot be overridden in session

Logged evidenceDocument hash · detected payload · quarantine flag · downstream actions blocked

GR-09No payment authorisation by voice, video or chat identityOverride defined
  1. Target

    Approval signals for payments, banking changes and filings

  2. Trigger

    An approval arriving by phone, video call, SMS or chat — however convincing

  3. Action — enforced

    Reject the signal; request re-initiation through the authenticated approval channel

  4. Human override

    The named approver, by re-issuing the approval inside the authenticated channel

Logged evidenceRejected signal and channel · claimed identity · re-initiation record · final approver

GR-10No client data in AI workflows without §7216 consent on fileOverride defined
  1. Target

    Every use or disclosure of return information inside agent workflows

  2. Trigger

    An engagement touching return information with no signed consent record, or a recorded opt-out

  3. Action — enforced

    Exclude that client’s data; continue only on non-restricted work; flag the engagement

  4. Human override

    Engagement partner, only by recording the signed consent first — never mid-session

Logged evidenceEngagement ID · consent record and date · scope of use · opt-outs honoured

GR-11No action without its audit entry written firstOverride defined
  1. Target

    Every state-changing action across ledgers, filings, payments and vendor records

  2. Trigger

    An evidence write that fails, times out or would be incomplete

  3. Action — enforced

    Block the action — the log write is a precondition, not an afterthought

  4. Human override

    Reliability owner may cut over to the standby evidence store; actions stay held until writes succeed

Logged evidenceAction · actor · before/after state · write confirmation · store and sequence number

GR-12No completed transaction re-executed on retryOverride defined
  1. Target

    Payment release, journal posting and filing submission on retry, timeout or concurrent runs

  2. Trigger

    A re-attempt whose idempotency key matches a completed or in-flight transaction

  3. Action — enforced

    Suppress the duplicate; reconcile against the original; surface a single result

  4. Human override

    AP reviewer may force re-execution only after confirming the original never settled

Logged evidenceIdempotency key · both attempt timestamps · settlement check · resolution record

Oversight

Human review — triggers, decisions and evidence

When a defined risk trigger fires, the affected action is routed to a named reviewer. Every decision is recorded with its correction, escalation and final outcome for full traceability.

  • ConfidenceLow-confidence classification
  • Financial impactHigh-value transaction
  • Identity / change riskNew bank details
  • Irreversible actionFiling or payment action
  • Policy riskPolicy conflict
  • Safety controlGuardrail override
  • Quality failureFailed critical evaluation
Humanreviewnamed reviewer
  • Revieweridentity + role
  • Decisionapprove / reject / amend
  • Correctionwhat changed
  • Escalationwho, why and severity
  • Final outcomereleased / blocked / returned for rework

7 triggers · any one halts the agent

1 record · 5 fields, every time

Compliance

Regulatory mapping

  • 01 Goal
  • 02 Retrieval
  • 03 Workflow
  • 05 Tool
  • 06 LLM
  • 07 Evaluation
  • 08 Guardrail
  • 09 Human review
  • 10 Outcome

Preparer penalties and substantial authority

A position needs substantial authority judged as of the filing date; a superseded authority carries none and an invented one never did. The penalty lands on the preparer, client approval or not.

26 U.S.C. 6694(a)(2)(A) · 26 U.S.C. 6662(d)(2)(B) · 26 CFR 1.6662-4(d)(3)

Lifecycle layer:02 Retrieval · 06 LLM · 10 Outcome

  • BK-04
  • TQ-01
  • TQ-04
  • TQ-06
  • RP-04
  • ACC-01
  • ACC-03
  • ACC-07

Evaluations

Baseline evaluation suite — in detail

Baseline evaluations are completed during onboarding and repeated based on the selected plan. Agents that fail critical checks remain restricted until they pass re-testing.

Evaluation suites
50
Failure modes covered
176 of 176
Cases · 10% rotated / quarter
3,540
Audit-ready scorecard
Monthly

Output evaluation11 suites · 915 cases

200 casesClassification golden-setcatches ACC-02
80 casesDepreciation setcatches ACC-09
80 casesIndirect-tax coding setcatches ACC-10
80 casesPayroll and super setcatches ACC-12
70 casesFX translation setcatches ACC-13
75 casesCutoff and accrual setcatches ACC-14
60 casesRegression canary setcatches ACC-25
60 casesConsistency setcatches ACC-27
70 casesCited answer integrity setcatches TQ-01–07
70 casesEvidence pack delivery setcatches AU-01–07
70 casesClaim substantiation and flagging setcatches EX-01–07

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  1. Domain-expert review

    Client-designated subject-matter experts review evaluation criteria, pass thresholds and industry-specific risks before baseline approval.

  2. Test-case rotation

    Evaluation cases are refreshed regularly to reduce memorisation, limit overfitting and maintain meaningful performance measurement.

  3. Scorecard integration

    Scorecards compare results with the approved baseline, show performance trends and flag material declines for review and escalation.

  4. Client-specific extensions

    Where included in scope, evaluations may be expanded using approved incidents, workflows, policies, data patterns and industry-specific risks.

Monitoring

Change-aware monitoring

When agent performance changes, Nestack correlates the shift with changes to the agent, prompt, model, tools, knowledge base, guardrails and evaluation suite.

Version changes by layer
01AgentAgent changed in week 3Agent changed in week 6
02PromptPrompt changed in week 5Prompt changed in week 10
03ModelModel changed in week 8Model changed in week 10
04ToolTool changed in week 4
05Knowledge-baseKnowledge-base changed in week 6
06GuardrailGuardrail changed in week 10
07Eval-suiteEval-suite changed in week 3
Grounded-answer rate92–100%
  • Week 1 · 98.6%
  • Week 2 · 98.5%
  • Week 3 · 98.7%
  • Week 4 · 98.6%
  • Week 5 · 98.8%
  • Week 6 · 98.6%
  • Week 7 · 98.7%
  • Week 8 · 94.2%
  • Week 9 · 94.0%
  • Week 10 · 98.6%
  • Week 11 · 98.7%
  • Week 12 · 98.8%

Week readouthover or select

Week 8of 12

  • 03Modelopus 4.6 · 0612

94.2%Grounded-answer rate

  • 7 layers stamped on every run · 12-week window
  • Catches ACC-25 · silent model-version regression

Something missing?

Don’t see your agent’s issue here?

Every AI environment is different. Share what you’re seeing, and we’ll review the behaviour, assess the risk and recommend the evaluations or controls that may help.

Report an agent issue

Tell us what you’re seeing

The more specific, the faster we can reproduce it. Playbook: Accounting

We reply within one business day.

See pricing

No commitment. Even if you never become a client, we’ll tell you what we think is happening.

Process

Universal incident runbook

Severity is assigned based on business impact, customer harm, data exposure, operational disruption and overall scope.

  • SEV-1 Critical
  • SEV-2 Major
  • SEV-3 Moderate
  • SEV-4 Minor
STEP 01

Automated monitoring or human review identifies unusual behaviour. Alerts are recorded and routed according to severity.

Outcomes

Not just that it ran.
What it delivered.

Observability shows the agent ran. It can’t show the return was filed or what the work cost. Where outcome data exists, we trace each result to its session — and a named reviewer signs off the month.

Issued
Monthly, per engagement
Traced
Every figure to its session
Signed
By your engagement reviewer
Used for
Client reporting, partner review, the AgentOps scorecard

Nestack AgentOps

Accounting fleet · monthly statement

  • Reconciliation completed1,284
  • Invoice posted correctly8,412
  • Exception resolved963
  • Filing submitted47
  • Month-end close completed6 of 6
  • Workflows delivered10,706
  • Outcome success rate98.6%
  • Human correction required150 · 1.4%
Average AI cost per successful workflow$0.41

Every figure linked to its source trace · exportable for review and audit support

Cost control

Keep accounting AI agent costs under control

Token spend is monitored, optimised and reported as part of Agent Care — and savings never come at the expense of quality, because every change is verified against your evaluation baseline.

We review token spend by agent, workflow, model, and session so you can understand where AI costs are coming from.

Running accounting AI agents in production?

Get a free assessment of one agent. We’ll review its behaviour, run a baseline evaluation and highlight potential risks and performance gaps.

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