The domain-agnostic Venture & Hackathon Operating System. Turn any brief into an evidence-backed, judge-ready case with pluggable financial models, Socratic YC coaching, deep research verification, live prototypes, and 16:9 presentation decks.
Get started · What you get · Financial models · CLI presets · Team workflow · Obsidian guide · MCP Server · Contribute
The CaseKit standard: no number without a formula; no assumption without an ID; no external claim without a primary source; no market sizing without bottom-up unit economics; no recommendation without an owner, KPI, horizon, and downside case.
Most team failures are integration failures: research is disconnected from the financial model, the model is disconnected from the strategy, and the deck makes claims nobody can defend under judge cross-examination. CaseKit provides a shared operating language—so the team can move with sprint speed and defend every number.
| Instead of | CaseKit creates |
|---|---|
| scattered links and notes | an evidence ledger with primary source quality, URL archiving, and claim IDs |
| hand-wavy market sizing | 5 pluggable Excel models, bottom-up TAM/SAM/SOM, unit economics, and sensitivities |
| unaligned team drafts | one shared metric tree, decision log, risk register, and Dataview dashboard |
| fragile AI-slop slides | 16:9 widescreen decks, source footers, 4-judge stress tests, and live interactive HTML prototypes |
git clone https://github.com/Faeif/casekit.git
cd casekit
python3 -m pip install -r requirements.txt
python3 casekit.py init /path/to/your-case --preset hackathon-sprint --layout clean --team "Alice,Bob,Carol"Open the newly created case folder in Obsidian (or your preferred editor), then tell your AI:
Use casekit-yc-coach to interrogate our initial premise, establish our beachhead ICP,
and build a complete judge-ready case workspace.
Restart or refresh your AI client after installation. Canonical skills work with Codex, Claude Code, Gemini CLI, Cursor, and Google Antigravity. See PORTABILITY.md for custom paths and adapters.
flowchart LR
A[Brief & rubric] --> B[Discovery & YC Coach]
B --> C[Deep research & evidence]
C --> D[Strategic choice]
D --> E[Universal Excel financials]
D --> F[Product & live prototype]
D --> G[GTM & marketing]
E & F & G --> H[Integrated case]
H --> I[16:9 Deck & 4-Judge rehearsal]
I --> J[Validate & submit]
J -. repair .-> B
| Workstream | Skill | Outcome |
|---|---|---|
| Coach | casekit-yc-coach |
Socratic YC partner, 4 Pillars, 5-Level Funnel, Economic Buyer vs User separation |
| Integration | casekit-orchestrator |
brief, rubric, shared ledgers, workflow, progressive presets, and synthesis |
| Problem | casekit-discovery |
problem event, stakeholders, premises, opportunity frames, WTP cost-benefit matrix |
| Evidence | casekit-research |
primary source hierarchy (SEC 10-K, papers), Rule of 3 triangulation, autopsy matrix |
| Choice | casekit-strategy |
options, weighted choice, rejected alternatives, confidence, unfair advantage |
| Economics | casekit-finance |
5 Excel archetypes, bottom-up TAM, CAC/LTV, payback, SAFE notes, CFO controls |
| Build | casekit-product-tech + casekit-engineering |
MVP, architecture, contracts, delivery, and live interactive HTML prototypes |
| Growth | casekit-marketing-growth |
positioning, vision, GTM, funnel ownership, growth loops, and launch experiments |
| Execution | casekit-operations |
RACI, capacity, roadmap, governance, and scale gates |
| Win the room | casekit-pitch + casekit-deck |
16:9 widescreen PowerPoint, 4-judge rehearsal simulator, 140 WPM speech timer |
| Quality | casekit-validator + casekit-red-team |
structural audits, contradiction checks, rubric stress tests, repair queue |
Explore all 14 skills
| Skill | Owns |
|---|---|
casekit-yc-coach |
Socratic co-founder guidance, 4 Pillars, 5-Level Funnel, WTP matrix, and automatic ledger updates |
casekit-orchestrator |
brief, rubric, workflow, progressive presets, shared ledgers, and integration |
casekit-discovery |
problem event, stakeholders, premises, opportunity frames, and validation gates |
casekit-research |
evidence, primary source hierarchy, competitor autopsy matrix, and verification |
casekit-strategy |
options, strategic choice, weighted comparison, rejected alternatives, and confidence |
casekit-finance |
pluggable Excel models, CAC/LTV/payback, recurring revenue, SAFE notes, and sensitivity |
casekit-product-tech |
MVP, architecture, feasibility, risk controls, and live interactive prototypes |
casekit-engineering |
implementation, contracts, code quality, tests, CI, release, and operations |
casekit-marketing-growth |
positioning, vision, GTM, growth loops, launch/event, funnel ownership, and experiments |
casekit-operations |
operating model, RACI, capacity, roadmap, governance, and scale gates |
casekit-pitch |
narrative, 16:9 slide storyboard, speaker scripts, 140 WPM timing budget, and Q&A transitions |
casekit-deck |
16:9 deck spec, editable widescreen PowerPoint, stat card banners, source footers, and visual QA |
casekit-validator |
source, financial, strategic, deck, rubric, and submission audits |
casekit-red-team |
4-judge rehearsal simulator (CFO, CTO, BU Head, YC Partner), attacks, and stress tests |
Choose the appropriate scaffolding depth for your case or competition:
# Hackathon Sprint (hours, not days — 4 core files)
python3 casekit.py init ./my-case --preset hackathon-sprint --layout clean --team "Alice,Bob"
# Corporate Launchpad / Venture Builder (+ Synergy Matrix, Architecture, Q&A Bank)
python3 casekit.py init ./my-case --preset corporate-launchpad --layout clean --team "Alice,Bob,Carol"
# Full Deep Drill (Finals / Board Memo — full 20+ ledgers and NFRs)
python3 casekit.py init ./my-case --preset full-deep-drill --layout clean --team "Alice,Bob,Carol,Dave"CaseKit includes 5 production-grade, multi-tab Excel models (.xlsx) in templates/financial-models/:
- B2B SaaS / Enterprise (
b2b-saas.xlsx): MRR, ARR, Net Retention Rate (NRR), CAC Payback, LTV:CAC, Churn Sensitivity. - Marketplace / Platform (
marketplace.xlsx): GMV, Take Rate (%), Buyer/Seller CAC, Liquidity Multiplier. - Hardware / IoT / DeepTech (
hardware-iot.xlsx): BOM Cost, Manufacturing CapEx, Hardware Gross Margin, Recurring Cloud Subs. - D2C / Retail / E-Commerce (
d2c-retail.xlsx): AOV, Repeat Purchase Rates, Fulfillment, Blended CAC, Contribution Margin. - Corporate Venture / Efficiency ROI (
corporate-roi.xlsx): Cost Savings, Efficiency ROI, Internal Adoption, Telco/Enterprise Synergies.
All models feature standardized tabs (01_Assumptions, 02_Unit_Economics, 03_Three_Statements, 04_Sensitivities), Cap Table & YC SAFE Note calculators, and automatic Named Range discovery for bidirectional sync:
# Build/refresh standard Excel models
python3 scripts/build_financial_models.py
# Sync Excel calculations to metric tree
python3 casekit.py sync-spreadsheet ./my-case data-import-map.json --applyGenerate a clean, responsive, single-file HTML/Tailwind live prototype for stage demos without AI-slop visual tropes:
python3 casekit.py prototype ./my-case --output ./my-case/outputs/demo.htmlRun the CaseKit MCP server to give Cursor, Claude Desktop, Antigravity, or any MCP-compatible client native access to CaseKit tools:
python3 scripts/casekit_mcp_server.pyExposed MCP tools include casekit_init, casekit_validate, casekit_status, casekit_add_claim, casekit_add_assumption, casekit_sync_spreadsheet, casekit_render_deck, casekit_generate_prototype, and casekit_archive_source.
Inspect complete, end-to-end reference vaults in examples/:
examples/airbnb-2008-pitch/: Airbnb's iconic 2008 seed deck and marketplace unit economics reconstructed with CaseKit traceability.examples/stripe-developer-wedge/: Stripe's 7-line API developer wedge, 5-Level Funnel, and developer adoption flywheel.examples/launch-event/: Synthetic corporate launch competition fixture with end-to-end ledgers.
Run before committing or opening a pull request:
python3 scripts/validate_suite.pyThe validator executes 223+ comprehensive tests across all 14 skills, Excel models, CLI presets, MCP server, prototype generator, and ledger cross-referencing.
CaseKit is released under the MIT License.