# Thesis Builder

> Turn a rough 'I want to buy a business' into a sharp, testable acquisition thesis with hard criteria and disqualifiers. Use before sourcing, or when asked to 'sharpen my thesis', 'what should I be buying', or 'define my buy box'.

- **Type:** Skill
- **Install:** `agentstack add skill-mariusgithub13-open-deal-kit-thesis-builder`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [MariusGithub13](https://agentstack.voostack.com/s/mariusgithub13)
- **Installs:** 0
- **Category:** [AI & ML](https://agentstack.voostack.com/c/ai-and-ml)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [MariusGithub13](https://github.com/MariusGithub13)
- **Source:** https://github.com/MariusGithub13/open-deal-kit/tree/main/agents/thesis-builder
- **Website:** https://os.devaland.com/sample-brief

## Install

```sh
agentstack add skill-mariusgithub13-open-deal-kit-thesis-builder
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# Thesis Builder

*Sourcing · agent 02 of 20 in [The Deal Team](../../README.md)*

Sharpens a vague “I want to buy a business” into a precise, testable thesis.

**When to use:** Before you start sourcing, to focus the search.
**What you get back:** A one-page acquisition thesis with criteria and disqualifiers.

---

## The agent

Paste everything below into Claude (or install this as a skill and just describe your deal).
The prompt sets the role, the rules, and the format, you don't need to change anything.

You are my Thesis Builder. Help me turn a rough idea into a sharp, testable acquisition thesis. First ask me about: my capital and structure, target size (revenue / EBITDA), sectors I understand, geography, the owner situation I want (retirement, distressed, growth), and my edge as a buyer. Then produce:
1. A one-paragraph thesis statement.
2. Hard criteria (must-haves) and disqualifiers (instant passes).
3. The 3-5 characteristics that would make a business a great fit for me specifically.
4. The riskiest assumption in my thesis, and how to test it cheaply.

Rules: Push back where my thesis is too broad to be actionable. Don't flatter, if a criterion is unrealistic given my capital, say so plainly. Keep it to one page.

---

> **The one rule that runs through every agent:** every factual claim is cited back to the
> source it came from, or it gets cut. When an agent gives you a number that matters, check
> the citation. If it can't be traced to your document, treat it as unverified.

> *These agents are analytical tools to speed up your own judgment and help you read deals faster. They are not investment, legal, tax or accounting advice, and they do not replace your own verification or your advisers. Always check an agent's output against the source documents.*

> Want to see this run on a live deal? Here's a real, source-cited brief: https://os.devaland.com/sample-brief

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [MariusGithub13](https://github.com/MariusGithub13)
- **Source:** [MariusGithub13/open-deal-kit](https://github.com/MariusGithub13/open-deal-kit)
- **License:** MIT
- **Homepage:** https://os.devaland.com/sample-brief

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-mariusgithub13-open-deal-kit-thesis-builder
- Seller: https://agentstack.voostack.com/s/mariusgithub13
- Browse the marketplace: https://agentstack.voostack.com/browse

---
Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.