Design, validate, and plan a startup from scratch. Covers market research, competitive analysis, business model, brand identity, product definition, financial projections, and validation experiments. Trigger when the user has a startup idea to explore, wants to validate a business concept, needs a business plan or lean canvas, asks for market sizing or competitive landscape, wants brand positioning or go-to-market strategy, or says anything like "I have an idea for..." or "is this idea worth pursuing". Also handles resuming from a previous checkpoint.
Install with Tessl CLI
npx tessl i github:ferdinandobons/startup-skill --skill startup-design94
Does it follow best practices?
Evaluation — 99%
↑ 1.73xAgent success when using this skill
Validation for skill structure
Intake document structure and standards
Kebab-case project folder
100%
100%
Correct brief file path
100%
100%
PROGRESS.md at root
100%
100%
PROGRESS.md contains project name
100%
100%
PROGRESS.md has 8-phase checklist
0%
100%
PROGRESS.md Notes section
100%
100%
Standard file header in brief.md
50%
100%
Standard Flags footer in brief.md
0%
100%
Sources section in brief.md
0%
100%
Claim labels used
20%
100%
Hard questions included
70%
100%
Open questions documented
100%
100%
PROGRESS.md start date
80%
100%
PROGRESS.md language field
0%
100%
Without context: $0.4261 · 2m 28s · 20 turns · 26 in / 6,708 out tokens
With context: $0.5165 · 2m 13s · 20 turns · 268 in / 5,933 out tokens
Research wave methodology and output structure
Raw files in raw/ subfolder
100%
100%
All 5 synthesis files present
100%
100%
Research gate file present
100%
100%
Competitor comparison matrix
60%
100%
Confidence dashboard format
50%
100%
Source tier labels used
0%
100%
Quantified claims
100%
100%
Knowledge-Based markers (if applicable)
87%
100%
Data gaps declared
100%
100%
Cross-referencing evidence
83%
100%
Sequential wave evidence
66%
100%
PROGRESS.md updated
100%
100%
Flags footer present
28%
100%
Without context: $1.4613 · 10m 14s · 39 turns · 43 in / 28,789 out tokens
With context: $2.6521 · 17m 9s · 41 turns · 7,457 in / 46,831 out tokens
Fast track mode and validation deliverables
Fast Track activated
0%
100%
Brainstorm count ≤3
0%
100%
Brand phase skipped
100%
100%
Product phase skipped
100%
100%
Lean Canvas in strategy
0%
100%
Scorecard with verdict
75%
100%
Unambiguous verdict paragraph
100%
100%
Kill criteria present
50%
87%
Validation experiments ≤3 detailed
0%
100%
Claim labels used
0%
100%
README anti-pattern check
0%
100%
README executive summary
100%
100%
PROGRESS.md 8-phase checklist
0%
100%
Without context: $0.7449 · 5m 3s · 26 turns · 31 in / 14,313 out tokens
With context: $1.8621 · 10m 29s · 41 turns · 1,711 in / 28,271 out tokens
Table of Contents
If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.