Free PRI Scan

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Other ways to start

Prefer another surface? Pick the one you already work in.

Every path produces the same PRI score and the same fixes. Start where it is cheapest for you, add the others when you want coverage from the editor to the merge queue.

For developers

VS Code plugin

Score the file you are editing, see reliability findings inline, accept fixes as you write. Free edition, no account needed to install.

Install from the Marketplace →2 min to set up

Tomosu AI Assistant panel in VS Code showing scan results: PRI 37 of 100, Critical, sub-index bars for FI, GC and CV, and a list of pending recommendations with Accept All and Reject All actions. — Scan results inside VS Code: the PRI, the sub-indexes that have data, and the recommendations waiting to be accepted.

For Claude users

Tomosu MCP from Claude

Add mcp.tomosu.ai/mcp to Claude Code or Claude Desktop and ask for a PRI score, a gap analysis or a fix without leaving the chat.

Connect the MCP server →3 min to set up

Three steps in Claude Code: Claude says it will run the scan through the Tomosu MCP tools, the suggest_code tool call it makes with the files and reliability context, and the result: PRI 25 of 100 with Fragility 34, Governance Compliance 3 and Code Volatility 40. — Claude Code running a scan through the Tomosu MCP: the request, the tool call, and the PRI it reports back.

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Let's scan your repo

Which repo do you want to scan?

Prefer another surface? Pick the one you already work in.

VS Code plugin

Tomosu GitHub App

Tomosu MCP from Claude

PR review from Claude

CodeRabbit ↔ Tomosu PR review