Customer Success AI agent · Onboarding
Customer Onboarding AI Agent
Ask each milestone what proves it — the configuration that works, the first real use, the person who did it — and hold the plan open until a named onboarding lead accepts the evidence.
- Typical delivery
- 4–6 weeks
- Deployment
- Your stack
- Named lead
- Evidence first
- After launch
- Agent Care
What this agent does
Holds the plan, never declares it done
In
- 01
A milestone is claimed, and the agent asks what would show it was met rather than who said so.
- 02
A launch is dated, and the date sits beside the first real use behind it or beside nothing at all.
Reason
- 03
A kick-off call happens, and it is recorded as a meeting held, never as a stage completed.
- 04
A tenant is provisioned and a licence issued, and neither is counted as a customer getting value.
- 05
A step waits on something the customer owes, and it is chased as an open dependency, not left quiet.
Decide
- 06
A standard template meets an account whose sequence differs, and the mismatch is raised early.
- 07
A file is attached as evidence, and the milestone it actually supports is checked against the one claimed.
Out
- 08
A plan changes hands and keeps its old dates, and the stale dates are surfaced rather than inherited.
- 09
Execute write actions only inside the approval boundaries agreed during implementation.
Product statement
Holding the plan, gathering evidence and chasing waiting steps belong to the agent. Acceptance belongs to a named onboarding lead, who marks the milestone met and answers for it.
Example workflow
One onboarding plan, kick-off to accepted
- 1Plan receivedOnboarding plans, project records, provisioning logs, training registers or product telemetry
- 2Milestones and owners fixedThe milestones, the evidence each one needs, the owner of each step and whoever it waits on
- 3Evidence gathered per milestoneThe evidence found, the milestones still unevidenced, the waiting steps and confidence
- 4Controls appliedEvidence checks, sequence checks, dependency checks and matching confidence
No human action required
Stages 1 to 4 run unaided, and no milestone is met at any of them — the agent is gathering, and the onboarding lead lane opens at the acceptance gate.
Goes to the named onboarding lead to accept.
Adds a delivery manager read first.
Onboarding lead review
The milestone is held with the evidence found, what is missing and the steps still waiting.
Accept · Request evidence · Send to delivery review
Accepted — by the named onboarding lead
- 6Plan and project records updatedOnly where write access and records policy allow it
- 7Outcome evaluatedEvidence quality, chase response, lead corrections and what review found
Corrections
Each onboarding lead correction is counted in the evaluation.
What should not run autonomously
Human approval stays in control
Outside the boundary — human approval required
8 items
- Marking an onboarding milestone as met.
- Declaring a customer onboarding complete.
- Deciding a customer is ready to go live.
- Signing off a launch for a named account.
Automation boundary
Agent acts unaided
- ✓Ask each milestone for the evidence it requires.
- ✓Show which milestones are claimed but still unevidenced.
- ✓Chase each step that is waiting on someone outside the internal plan.
- ✓Flag any plan whose owner changed while its dates stayed unmoved.
No milestone is met except by a named onboarding lead, inside the agreed boundaries.
- Judging whether a plan fits the account at all.
- Telling a customer their onboarding has landed.
- Choosing which milestones a launch may skip.
- Changes to the plan, the dates or the owners.
Example output
One onboarding milestone, annotated
This serves an onboarding team who may have to show, a year later, why a launch was called complete; below is one milestone exactly as the agent leaves it.
Onboarding milestone · single account
Illustrative example- Milestone
- First production use, primary workflow
- Recorded as
- Evidence found, one gap open
- Stage
- Go-live, stage four
- Evidence of record
- Usage record, 3 August 2026
- Confidence
- Held unaccepted
- Held for
- The named onboarding lead, by name
As received
Built from provisioning logs and product telemetry, and it claims nothing beyond what those show.
What the record holds
- Provisioning log
- Usage record
- Training register
Why no acceptance here
Calling a milestone met is a judgement the onboarding lead makes.
What the score decides
Below the configured threshold a milestone gets a delivery read before the lead sees it.
Action
AcceptRequest evidenceSend to delivery reviewValue
Where AI adds value
The same four claims, placed at the point in the workflow where each one applies.
Where the value lands
Value 01 – 04
Every milestone
From the record that shows it
Where the evidence comes from
Onboarding names customer due diligence in banking and engagement terms in accounting; this is neither. It is the delivery plan after signature and whether each milestone on it carries evidence.
Live is not the same as landed
A tenant provisioned, a licence issued and a training session delivered are all real events, and not one of them is a customer getting value out of the product.
What was checked, and not found
Checked against the plan and not found there: a promise made in the last call before signature that never became a task. The sales-to-success handover agent owns that commitment record; this agent works the plan it is handed.
Build an evidence trail
The milestone, the evidence it was met and the owner who accepted it stay together.
Integrations
Typical integrations
Five system groups connect to the same agent. Which of them are in scope is decided in discovery.
Project and plan systems
- Asana
- Smartsheet
- Monday
- Onboarding plans, steps and owners
Product telemetry
- Amplitude
- Mixpanel
- Pendo
- First real use and its date
Provisioning and access
- Identity
- entitlement
- billing
- Tenants, licences and first logins
Agent
Onboarding plan support
- Reads the plan
- Gathers the evidence
- Holds for the lead
Enablement and training
- Training platforms
- session logs
- Attendance and completion records
Observability & evaluation
- OpenTelemetry
- Langfuse
- Supported monitoring/evaluation sources
Integration availability depends on the client's existing systems and API access.
Agent controls
Six thresholds between the model and the lead
Six thresholds on one path, the last the highest. What steps over is set out in the map below.
L6 · Outermost — last line of defence
Inward → L1 · closest to the model
- L1 – L2
- Test whether a milestone may stand
- L3
- Leaves the acceptance to a named onboarding lead
- L4 – L5
- Keep the milestone and the evidence behind it
- L6
- Marks the milestone unproven when signals degrade
How Nestack evaluates it
Evaluate the whole plan — not only the milestone that comes out of it.
Coverage runs the whole depth of the workflow, and every layer is cut by slice.
Surface — the milestone a launch is called on
- E1Final-output evaluationDid the milestone record the evidence it was actually accepted on?
- E2Step-level evaluationDid the agent read the live plan, the right account and the current telemetry?
- E3Tool evaluationDid it read and write the correct account and the correct milestone?
- E4Confidence calibrationDo low-confidence milestones actually attract more lead corrections?
- E5Slice evaluationHow does performance change across specific onboarding stages?
- E6Business outcomeHow many milestones needed a correction before the lead accepted?
Floor — the plan a milestone sits on
Failure modes
Where each failure originates in the agent
Seven failure modes, each sited where it first becomes visible.
Agent lifecycle
Direction of processing →
01 · Retrieval
1 mode
- NS-03
Customer dependency unlisted
A step the customer owes sits outside the plan read.
Stage gathers
The plans, the steps, the owners and the dates
02 · Reasoning
2 modes
- NS-04
Milestone met by a meeting
A calendar entry stands in for the evidence.
- NS-06
Template forced onto the account
A standard plan is run on an account it does not fit.
Stage proposes
The evidence, the gaps, the chases and confidence
03 · Tool / write
2 modes
- NS-02
Unevidenced go-live passed on
A launch moves on without the delivery read.
- NS-05
Evidence bound to wrong milestone
The evidence is filed against another milestone.
Stage writes
Only where write access and approval policy allow it
04 · Output
1 mode
- NS-01
Accepted, evidence unrecorded
The record shows acceptance but not what proved it.
Stage returns
The milestone a launch rests on and a lead reads
05 · Change / Version
1 mode
- NS-07
Silent ownership drift
A plan changes hands while its dates stay where they were.
Stage tracks
Model, prompt, evidence rules and plan dates
- Sev-1 · a launch closed on no evidence
- Sev-2 · a stale plan reaches the customer
- Sev-3 · evidence degrades, milestone held
Affected slices
Go-live and first use absorb the corrections
A stage-level evidence-coverage figure can read clean while go-live and first use carry most of the re-evidencing. Nestack reports the correction rate by onboarding stage, not only in total.
Slice performance — reported separately, not only in aggregate
Illustrative example| Slice | Failure rate | Lift | Lift vs. threshold | Status |
|---|---|---|---|---|
| Go-live and first use | 6.8% | 3.7× | Review | |
| Multi-workstream launches | 4.9% | 2.7× | Review | |
| Customer-dependent steps | 3.0% | 1.6× | Watch | |
| Kick-off and planning | 1.7% | 0.9× | Normal |
Bar: correction-rate lift vs. kick-off-stage baseline · scale 0–4.0× · tick marks the 2.0× review threshold
2 of 4 slices over threshold
Evidence-linked improvement
What a milestone met by a meeting costs
A cycle closes when the milestone marked without evidence is a regression case. That suite is what the next launch cleared is measured against.
Improvement cycle · five stages
Switchback — the path turns at Improve and returns at Learn
- 01
Detect
Correction rate rises on go-live and first-use milestones.
- 02
Diagnose
The launch marked complete because the kick-off call happened, not because anything was yet working, is worked backwards until one cause is left standing.
- 03
Improve
Number the change; the launches that drove it are filed beneath it.
- 04
Verify
One launch case still failing holds the entire release back.
- 05
Learn
It is retained permanently, and the acceptance rules move with it.
Learn → Detect
The return edge. The next launch cleared runs against a suite one case longer.
Typical build scope
Twelve workstreams across six weeks
The build scope read against the delivery timeline. Week structure follows the six-week plan — discovery, sources, evidence gathering, evaluation, integration, then production validation and handover.
Workstream
Week 1Week 2Week 3Week 4Week 5Week 6
- 01Milestone-acceptance and automation-boundary work.Week 1
- 02Plan, provisioning and telemetry sources.Week 1, Week 2
- 03Evidence-to-milestone and stage-coverage mapping.Week 1, Week 2
- 04Onboarding plan ingestion.Week 2
- 05Milestone, evidence and owner binding.Week 2, Week 3
- 06Evidence scoring and review routing.Week 3
- 07Onboarding lead acceptance workflow.Week 3, Week 4
- 08Project-tracking integration.Week 5
- 09Milestone and evidence cases.Week 4, Week 5
- 10Guardrails and readiness controls.Week 4
- 11Launch-trail instrumentation.Week 5, Week 6
- 12Deployment, documentation and Agent Care handover.Week 6
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 account cohort, one plan | ProductionProduction onboarding workflow | AdvancedMultiple cohorts / regions |
|---|---|---|---|
| Introduced at Pilot | |||
| Evidence gathering to your plan | ✓ | ✓ | ✓ |
| Named onboarding lead acceptance | ✓ | ✓ | ✓ |
| Onboarding-plan baseline | ✓ | ✓ | ✓ |
| Introduced at Production | |||
| Reporting by onboarding stage | — | ✓ | ✓ |
| Lead review workflow in your systems | — | ✓ | ✓ |
| Approved write-back | — | ✓ | ✓ |
| Project-tracking integration | — | ✓ | ✓ |
| Introduced at Advanced | |||
| Multi-workstream plans | — | — | ✓ |
| Cross-account launch packs | — | — | ✓ |
| Large account cohorts | — | — | ✓ |
| Multi-workstream milestone controls | — | — | ✓ |
| Build price | From $5,000 | From $8,000 | Custom quote |
- Final build price
- Confirmed after discovery based on integrations, workflow complexity, cohort volume, approval controls and deployment requirements.
- Separate from build
- Build 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 bring
We build with it
01Your live onboarding plans and the milestones in each
→Milestone capture and evidence definition
Week 102Representative launches, plans and the evidence behind them
→Evidence binding, chase logic and the milestone baseline
Week 203Your onboarding calendar and the leads it names
→Milestone mapping, evidence rules and the automation boundary
Week 104Access to relevant APIs, feeds or exports
→Plan, provisioning and telemetry source assessment, then integration setup
Week 205Launches you would not want reviewed
→Evidence cases and the evaluation run
Week 406What no milestone may prove
→Evidence scoring, review routing, guardrails and release controls
Week 307A named onboarding lead who accepts the milestone
→Release to the named onboarding lead, then pilot and production validation
Weeks 5–6
Nothing else is required
Deployment, documentation and Agent Care handover are ours.
Delivery timeline
Four phases across six weeks
Each bar runs exactly as long as its phase does, which is why week five carries a pair of them.
Phase
W1
W2
W3
W4
W5
W6
- DiscoveryW1
- BuildW2 – W3
- EvaluateW4 – W5
- Pilot & LaunchW5 – W6
Week focus
W1Milestone discovery, evidence rules and the automation boundary
W2Source integration and the onboarding-plan baseline
W3Evidence gathering, chase logic and release controls
W4Evaluation suite, evidence cases and failure-mode testing
W5Project-tool integration, pilot launches and targeted corrections
W6One onboarding cohort run under the onboarding lead, then Agent Care handover
- Reading the band
- Each bar covers only the weeks its own work is named for, and week five is shared by design.
- At the end of W6
- Once the milestone record validates, Agent Care takes the agent on.
- Duration
- Six-week plan shown · typical delivery 4–6 weeks depending on scope confirmed in discovery.
Next step · Customer Success AI agent
Build a customer onboarding agent around the milestone your last launch never evidenced.
Show us one onboarding plan and the last account that ran through it. Start with one cohort: we take each milestone marked complete and ask what evidence sits behind it, then hand back the ones a calendar invite is standing in for. The onboarding lead decides what that changes.
- Typical delivery
- 4–6 weeks
- Deployment
- Your live plans
- Named lead
- Evidence first
- After launch
- Agent Care available
Nestack Agents · Customer onboarding
AGT-CX-04 · Agent Care available after launch