Flowcharts built for you and your AI agents.
Product Pillars is a fast, focused canvas editor that turns every diagram into clean Mermaid markdown. One artifact you can edit by hand, share with anyone, and hand to the people and agents working alongside you.
Free to start. Your diagrams, your markdown, no lock-in.
# Onboarding flow
```mermaid
flowchart TD
start(["Start"]) --> signin["User signs in"]
signin --> q{"New user?"}
q -->|"Yes"| profile[["Create profile"]]
q -->|"No"| dash(["Dashboard"])
profile --> dash
```Everything a diagram should be.
A canvas that gets out of your way, an output format that travels everywhere, and links you can hand to anyone the moment a diagram is ready.
A canvas that stays out of your way
Drag, connect, and label. Purpose-built node types for every step: start, user action, system action, decision, and end. Multi-select, undo and redo, copy and paste, all the muscle memory you already have.
Mermaid markdown, by default
Every diagram is clean Mermaid markdown underneath, with stable node IDs your tools and agents can reference. What you see in the preview is byte for byte what you export.
Shareable with anyone, human or agent
Mint a public link and anyone with it can open the diagram, read the Mermaid or Markdown source, and download a PNG. No account required, and you can revoke access anytime.
From idea to artifact in three steps.
Sketch it on the canvas
Drop in nodes, connect them, and label the branches. It feels like the whiteboard, not a config file.
Get Mermaid markdown for free
Your diagram is already a clean, version-controllable markdown file. Copy it, commit it, or export it.
Hand it to your team and your agents
Share a public link, drop the markdown in a PR, or hand the file straight to an agent.
Hand your diagrams straight to your agents.
Sharing a link already lets agents read your diagrams today. Next, a hosted MCP server will let Claude Code and other agents read and write them directly, with no link to pass and no export step. Point your agent at your workspace and let it draft and update flows alongside you.
{
"mcpServers": {
"product-pillars": {
"type": "http",
"url": "https://productpillars.com/api/mcp",
"headers": { "Authorization": "Bearer mc_live_…" }
}
}
}Start building diagrams worth sharing.
Free to start. Your first diagrams are on the house, and every one of them is markdown you can take anywhere.