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2026 September 10-11 | Tokyo, Japan
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Friday, September 11
 

11:30 JST

MCP-Powered Crash Investigation: How 11 MCP Servers Help an AI Agent Debug Production Issues at Uber - Kriti Dangi, Uber
Friday September 11, 2026 11:30 - 11:55 JST
Hall 1F
Debugging eats 42% of developer time — $300B lost globally every year. On an average, fixing an issue takes 15 days. Debug Assist does it in 30 minutes — issue alert to validated, reviewable PR.

Most AI debugging tools stop at root cause analysis. Debug Assist goes much further: it writes a fix, validates it in a loop till correct, and creates the PR. Example, It caught a crash at 5% rollout, landed the fix the same day — preventing it from reaching thousands of users. Built on LangGraph with 11 MCP servers, 5 plugins, and parallel subagents: Sourcegraph for code search, crash analytics, Jira, feature flags, Jaeger, and logging — all one protocol.

Debug Assist even works on user-reported bugs which have minimal information attached. A user complained of battery drain, and Debug Assist traced it to a hot-looping code path, producing an RCA from behavioral evidence alone.
Domain knowledge lives in markdown skill files in a plugin marketplace — any developer can contribute fix patterns with no code, no redeployment.

We'll share how we built this from ground up, scaled to 5,000 RCAs/month across 6 languages, the challenges we hit, and how we improved the acceptance rate from 5% to 30%.

___________________________
Presentation Language: English
Captioning will be available for attendees in 50+ languages through Wordly. See instructions in each room to utilize captioning.
Speakers
avatar for Kriti Dangi

Kriti Dangi

Senior Software Engineer, Uber, Uber
Senior software engineer on the App Quality and Production Observability at Uber. Spent 3 years working on crash analytics platform, before designing and deploying Debug Assist. I love to dance, swim and travel in my free time. You can often find me chatting away with friends!

DebugAssist Uber MobiConf pptx
Friday September 11, 2026 11:30 - 11:55 JST
Hall 1F
  MCPCon
  • Audience Level Any
  • Presentation Language English
  • Presentation Slides Attached Yes
 

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