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Foundation Sprint Founding Hypothesis: Workbench Debugging Toolchain

Founding Hypothesis (Canonical Strict Template)

If we help senior site reliability engineers at Series B-D US growth-stage startups with significant distributed-systems complexity solve the 5-20 minute disorientation phase at the start of production incidents (when the SRE is juggling 5-7 dashboards trying to figure out what is actually happening) with a real-time multi-source aggregator that pulls live data from their existing Datadog / Honeycomb / Sentry / Grafana, auto-correlates the trace + state + dependency picture, and presents one screen optimized for the disorientation phase, they will choose it over the full observability platforms (Datadog, New Relic, Dynatrace), tracing specialists (Honeycomb, Lightstep, Sentry), open-source stacks (Grafana + Prometheus + Loki + Tempo + Jaeger), logs-first tools (Splunk, Sumo Logic), SRE workflow tools (PagerDuty, Incident.io, Rootly), internal homegrown dashboards, and the dominant “multi-tool juggling” status-quo because our solution is the only tool optimized exclusively for the incident-time disorientation phase, designed in SRE vocabulary, augmenting (not replacing) their existing observability investment, and deployable in under 30 seconds without platform-team approval.

Why We Believe This

  1. The 19 SRE interviews showed disorientation-phase MTTR penalty is consistent across Series B-D companies; the problem is structural to the band, not anecdotal.
  2. The “multi-tool juggling” status-quo is the dominant alternative, not Datadog-as-single-product. Workbench competes against a behavior, not a product, which is structurally easier.
  3. The “augment don’t replace” principle removes the largest objection from SRE teams who have already invested in Datadog or Honeycomb; this lowers acquisition friction substantially.
  4. Priya’s Datadog product experience + Marcus’s Splunk tracing background give honest read on what real-time aggregation will and won’t work; we’re not hand-waving the technical risk.
  5. Jin’s weekly on-call exposure gives us continuous reality-check on whether what we’re building maps to actual incident-time cognition.

What Could Prove Us Wrong

Disconfirming evidence to look forPre-test commitment
API rate limits from Datadog / Honeycomb during incidents make real-time aggregation unreliableIf aggregation fails in design-partner pilot during 2+ actual incidents, pivot to backup (Approach 3 Replay-First)
SREs don’t actually open Workbench at incident time; they default back to familiar toolsIf usage < 50% of design-partner incidents in 4 weeks, re-evaluate product surface
The “one screen” claim breaks for incidents that span 10+ services; SRE still needs source toolsIf 30%+ of incidents require source-tool dive-through, the differentiator weakens; re-architect or scope tighter
SREs reject “yet another tool” framing despite augment positioningIf sales conversations consistently die on “we just don’t want another tool,” messaging or positioning needs reshape
Pricing model (per-SRE seat or per-incident) doesn’t match buyer expectationsIf pricing conversation kills design-partner conversion, re-test model

Assumption Scorecard

#AssumptionRiskEvidence qualityPilot scorecard?
A1Real-time multi-source API aggregation is reliable enough during incidents (Datadog + Honeycomb + Sentry + Grafana APIs hold up under incident-time query load)HIGHLow (untested in production)Primary row
A2SREs actually use Workbench at incident-time vs reverting to existing tools out of muscle memoryHIGHLow (untested; depends on UX + onboarding)Yes
A3Auto-correlation across 4 disparate API shapes produces a coherent unified view, not a Frankenstein dashboardHIGHMedium (Marcus’s Splunk experience suggests yes)Yes
A4The “augment don’t replace” positioning resolves the “yet another tool” objection in salesMEDIUMMedium (interview signal positive)No
A5Series B-D companies are willing to pay per-SRE-seat pricing at $150-$300/monthMEDIUMMedium (interview signal; Priya’s Datadog price-sensitivity intuition)No
A6Sub-30-second setup is real (not “30 seconds after platform-team approves the API key”)MEDIUMMedium (technically straightforward; depends on customer-side API-key generation)Yes
A7The Series B-D band is large enough for a viable business at $150-$300 MRR per SRELOWHigh (TAM math: 1000+ Series B-D US companies with 5+ SREs each)No

Highest-risk assumption (primary pilot scorecard row): A1. If real-time API aggregation cannot reliably handle incident-time query loads (when SREs are simultaneously hitting upstream tools), the entire top bet collapses. A1 is testable during the first design-partner pilot’s first actual production incident.

Design Sprint? No, not at this stage. The Workbench top bet is technical-feasibility-bound first, not UX-bound. A Design Sprint after design-partner conversations have happened may be appropriate to refine the one-screen UX, but the immediate next test is technical.

Recommendation: Design-partner pilot with the Series C fintech (Jin’s employer) starting 2026-06-09. Two-week setup + observation window followed by 4-week active pilot. Pilot mechanics:

  • Week 1-2: Setup. Configure API connections to the fintech’s existing Datadog + Sentry + Grafana. Establish incident-detection trigger. Workbench team is on-call to monitor first incidents.
  • Week 3: Observation pilot. Workbench is available during incidents but not promoted to primary; SRE team uses normal tools and notes whether they reach for Workbench voluntarily.
  • Week 4-6: Active pilot. Workbench is promoted to “try first” position in the SRE team’s incident response playbook. Workbench team conducts weekly retros with on-call SREs.

A Design Sprint can follow the pilot if the one-screen UX needs structural rework (likely; Ari is already sketching). For v0.1, the operational pilot is the next test.

Decider Checkpoint

Priya final sign-off required to ratify the sprint output.

  • Priya reads the Founding Hypothesis sentence aloud and confirms she would say this publicly to design-partner candidates and to seed-round investors.
  • Priya commits to closing the Series C fintech design-partner conversation within 2 weeks (by 2026-06-05) to start the pilot 2026-06-09.
  • Priya accepts A1 (real-time API aggregation reliability) as the highest-risk assumption to test first.
  • Priya commits to the backup plan (Approach 3 Replay-First) as the explicit pivot if A1 fails.
  • Priya accepts the success criteria from the brief have been met: single Founding Hypothesis, top bet + backup, assumption scorecard, public commitability.

Signed: Priya (founder, PM), 2026-05-22 16:30 PT


The Foundation Sprint concludes. Workbench moves to design-partner conversion + seed-round preparation tracks next.