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FaultLine

Root-cause analysis for AI decisions.

Automatically analyze AI agent failures with evidence-backed root cause reports. Every claim links to specific trace events.

Evidence-Backed

Every claim links to specific trace events. Click through to see exactly what happened.

Automated Analysis

Gemini analyzes traces automatically. Get root cause analysis in 10-30 seconds.

Actionable Fixes

Get categorized fix suggestions: prompt, tooling, memory, orchestration.

How It Works

1

Capture Events

SDK captures user inputs, tool calls, model outputs

2

Analyze with Gemini

Automated root cause analysis with structured outputs

3

Get Report

Root cause, contributing factors, causal graph

4

Fix & Deploy

Actionable suggestions categorized by type

View Demo TracesIntegration GuideView on GitHub

Key Features

  • ✓Clickable evidence links to timeline steps
  • ✓Interactive causal graph visualization
  • ✓Confidence scores for root cause analysis
  • ✓Counterfactual analysis ("If X, then Y")
  • ✓Categorized fix suggestions

Quick Start

npm install github:ashutosh887/FaultLine#packages/sdk
const tracer = new Tracer({
ingestUrl: "https://your-app.vercel.app"
})
tracer.emit({ type: "user_input", payload: {...} })

See Integration Guide for full guide