RETHICK CB · PR Autopilot | IBM Bob Hackathon 2026

IBM Bob Hackathon · Team RETHICK CB

Challenge: Turn idea into impact faster — accelerating software development with IBM Bob.
My project: PR Autopilot + Blast Radius Graph — AI-powered risk visualization before review.
Using IBM Bob to map transitive dependencies, generate reasoning, and slash code review bottlenecks.

$10k prize pool · 48h build

PR Autopilot — Blast Radius Graph

IBM Bob–powered blast radius analysis · visualize risk before human review

click node → Bob reasoning

Risk intelligence

⚠️ RISK 78/100

Verdict: High Risk — Stop & Review

Directly changed

Transitively affected

Safe / untouched

External dependency

Click any node to see IBM Bob's reasoning.

🤖 IBM Bob: waiting for node selection...

⚡ Based on PR diff + full repo context

IBM Bob API calls: Blast Radius · Test Generation · Changelog

Blast radius formula: changed_files×25 + affected_files×8 (capped 100)

GitHub webhook → real-time analysis

📽️ DEMO: Blast Radius Graph in action · PR #247 (auth refactor) → AI detects payments & token modules at risk

IBM Bob integrated · Full README alignment Business value: -60% PR review incidents Originality: force-directed blast radius graph