Define project specs in markdown. Declare dependencies and feature contracts with YAML frontmatter. Create new specs with an AI assistant. Visualize everything as a live, interactive graph.
D3-powered force-directed visualization with zoom, pan, and drag. Click any node to explore its details.
Switch between Force, Tree (top-down hierarchy), and Manual (free positioning) modes with one click.
Edit spec bodies and feature files directly in the browser. Changes save back to disk instantly.
Dev server watches your files and pushes changes via SSE. Edit in your editor, see it update in real time.
Declare which features each module uses from its dependencies. Gherkin feature files define the interface — uses tracks the contracts.
Organize specs into groups. Modules in the same group are visually clustered with colored hulls in the graph.
Create new specs from the UI with an AI chat assistant powered by Claude Code. Describe what you need, review the output, and save — the graph updates instantly.
Fine-tune which tools the AI can use, set permission modes, and toggle dangerous-skip for sandboxed environments. Settings persist in localStorage.
Create .md files with YAML frontmatter declaring name, depends_on with uses, group, tags, and a features path.
Write standard Gherkin .feature files with Scenarios and Given/When/Then steps. Link them from your spec.
Run modspec ./spec/ and open the browser. Explore your dependency graph, click nodes, switch layouts.