How Sentry Built End-to-End Bug Fixing with Claude Managed Agents
Sentry is a software monitoring platform that ingests billions of events daily, giving development teams deep context to debug production issues. After deploying Claude for root cause analysis through their Seer agent, Sentry extended the workflow using Claude Managed Agents to generate merge-ready pull requests automatically — closing the loop from detection to fix without custom agent infrastructure. The result: over 1 million root cause analyses processed annually and reviews on over 600,000 pull requests each month, shipped by a single engineer in weeks instead of months.
Impact
1 million+
Root cause analyses processed annually
600,000+
Pull request reviews per month
Weeks instead of months
Time to ship initial integration
Eliminated
Ongoing operational overhead
Challenge
Sentry’s AI debugging agent could identify root causes accurately, but developers still had to manually context-switch, write the fix, and open a pull request — and building a coding agent to close that gap would have required months of custom infrastructure work.
Solution
Sentry integrated Claude Managed Agents to extend their Seer agent from root cause analysis to automated pull request creation, using Claude’s fully managed runtime to eliminate the need for custom sandboxing and lifecycle management infrastructure.
Tools & Technologies
What Leaders Say
“Managed Agents not only allowed us to build the initial integration in weeks instead of months, but has also eliminated the ongoing operational overhead of maintaining bespoke agent infrastructure.”
“Customers can now go from Seer’s root cause analysis straight to a Claude agent that writes the fix and opens a PR.”
“We chose Claude Managed Agents because it gives us a secure, fully managed agent runtime, allowing us to focus our efforts on building a seamless developer experience around the handoff.”
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Full Story
Sentry monitors software at scale, processing billions of events daily to surface the exact context developers need when production breaks: stack traces, profiling data, spans, logs, and metrics. The company serves engineering teams at companies of every size, positioning itself as the definitive debugging platform. As AI capabilities matured, Sentry saw an opportunity to go beyond diagnosis and automate the fix itself.
Before Claude Managed Agents, Sentry’s AI debugging agent Seer already used Claude to analyze telemetry and identify root causes with high accuracy. But that left a gap: developers still had to context-switch into their codebase, plan the implementation, write the code, and open a pull request. That handoff from diagnosis to resolution was where time and momentum drained away. Building a coding agent to close this gap would have required Sentry to construct sandboxing, lifecycle management, and an agent runtime from scratch — a significant detour for a team focused on debugging.
Sentry had already selected Claude for Seer after evaluating multiple models, partly because running Claude through Vertex AI let the company keep data within Google Cloud and avoid adding a new subprocessor. When Claude Managed Agents became available, it provided the secure runtime and lifecycle management Sentry would otherwise have spent months building. A single engineer integrated Managed Agents and shipped the initial version in weeks. The workflow runs automatically: Seer analyzes telemetry to produce a root cause, hands it off to a Claude agent running on Managed Agents, and that agent plans a solution, implements the code change, and opens a pull request ready for developer review.
The impact was immediate. Seer now processes over 1 million root cause analyses per year efficiently, and reviews are provided on more than 600,000 pull requests each month. The developer experience shifted fundamentally — from receiving a diagnosis to receiving a finished PR to review. Junior developers who once needed deep system knowledge to navigate complex issues now get complete proposed fixes. Senior engineers skip hours of context review and validate rather than investigate.
Sentry is building toward a workflow where the most actionable bugs are detected, diagnosed, and fixed automatically, with developers reviewing proposed changes rather than writing them. With Claude handling the agent infrastructure, Sentry’s team can focus on expanding what Seer covers and pushing the boundary of automated debugging rather than maintaining a custom runtime.
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