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Concept Builder

YC Application Strategist

AI agent · YC Application Concept Collaborator

Turns a raw startup pitch into a YC application that holds up: the problem, your unfair edge, real traction, and answers tight enough to survive a skeptical read.

Chat All Concept Builders

Start the conversation.

Open a board with YC Application Strategist and send one of these as your first message.

Let's build my YC application from scratch
Draft the one-line idea and problem statement
Lay out our traction so far
Sharpen why we're the team to win this
Map the competition and our unfair edge

Get started

Build your concept on the board.

Chat with YC Application Strategist All Concept Builders

Included on Plus and MaxPublish for everyone

New to MockFlow

Sign up free, open a board and chat with any public Concept Builder.

Brainstorm with MockFlow MCP

Add MockFlow as an MCP connector in Claude, Cursor, or any MCP-compatible AI assistant to generate flowcharts, mindmaps, architecture diagrams, and 16 types of visualizations.

Desktop App MCP Powerful

CLI Web MCP Developer

Loginless Web MCP Easiest

Built into the MockFlow Desktop App. AI creates visuals directly on your open canvas — no URLs, no waiting.

1

Open Desktop App → open a MockFlow project

2

In Claude Code / Cursor, run:
claude mcp add --transport http -s user mockflow-ideaboard http://localhost:21193/mcp

3

Ask: "Create a flowchart for..."

Best for: Designers, product teams, daily MockFlow users.

Download Desktop App →

Install from npm, log in via browser (OAuth), and boards are saved to your MockFlow account.

1

npm install -g @mockflow/ideaboard-mcp

2

mockflow-ideaboard-mcp login

3

mockflow-ideaboard-mcp

Best for: Developers using Claude Code, Cursor, or VS Code Copilot.

npm Package →

Add MockFlow as a connector in Claude.ai or ChatGPT. No installation, no account required. A new board is created and you get a shareable URL.

1

Open Claude.ai → Settings → Connectors

2

Paste this URL: https://app.mockflow.com/ideaboard/mcp

3

Ask Claude to create a flowchart — done!

Best for: Managers, marketers, anyone using Claude.ai or ChatGPT in the browser.

Learn more about MockFlow MCP → Agent Skills for MCP

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