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Decision brief

Seer Review: What to Settle Before Sentry's AI Debugger Fixes Production Errors on Its Own

Add Seer when Sentry already holds your telemetry and diagnosis slows fixes. What US$40 per active contributor buys, which Git hosts it supports, and how far to let automation run.

Reading time
2 min read
Sources
19 cited
In this piece
Seer+11 Mixed

GILD verdict

Add Seer if your team already sends errors and traces to Sentry and diagnosis is the slow part of fixing production bugs.

Sentry reports 94.5% root cause accuracy but publishes no method. On public GitHub, teams merged 64% of the 2,641 Seer pull requests they decided on, by GILD's count. Before rollout, cap automation per project and confirm your Git hosts and the per-contributor bill fit.

Seer

AI Observability by Sentry

+11 Mixed
Product page

Fit and limits

Who it fits

  • Your team already sends errors, traces, logs, and profiles to Sentry, so Seer has the context it needs.
  • Repositories are on GitHub.com or GitLab.com and connected to the Sentry projects whose errors they cause.
  • Engineers spend more time tracing errors to their cause than writing the fix.
  • You want one subscription to cover diagnosis, fixes, Seer Agent questions in Sentry and Slack, and pull request review.

Where it falls short

  • It supports GitHub.com and GitLab.com only: no Bitbucket, Azure DevOps, self-hosted Git, or self-hosted Sentry.
  • Price follows people: on GitHub, everyone who opens 2 or more pull requests a month in a connected repository costs US$40. Every GitLab group member counts.
  • Coding-agent handoff and pull request iteration work on GitHub only, and each handoff runs on the agent's own account, such as your Anthropic API key for Claude Agent.
  • Seer Agent queries the whole organization with no finer-grained access controls yet.

Implementation reality

  1. Connect projects to the code they run

    Link each Sentry project to its repositories in Seer settings. Include the backend services its frontend calls so Seer can trace the error to its cause. Send traces and logs along with profiles. Upload source maps for minified JavaScript. Seer reads rules files for Cursor, Windsurf, Cline, and Claude Code.

  2. Cap automation per project

    Automation requires 10 or more events in the last 14 days and a high enough fixability score. Per project, select Stop after Root Cause, Stop after Plan, or Stop after PR Drafted. To prevent code pushes, disable pull request creation in Advanced Settings.

  3. Decide on handoff

    Seer hands its root cause and plan to Claude Agent using your Anthropic API key, Cursor Cloud Agent, or GitHub Copilot cloud agent. CERT/CC's VU#212479 for CVE-2026-90999 shows that public DSN events can reach automatic handoffs. On October 25, 2026, the note, last revised September 16, still listed no vendor patch and no Sentry statement. Keep frontend handoffs manual until it lists a fix.

  4. Settle data and billing

    Check the Service Data Usage training opt-in. Decide whether to keep the generative AI setting on, since it enables Seer features. Count people opening 2 or more pull requests a month in the GitHub repositories you plan to connect, and every member of connected GitLab groups. Enabling Code Review starts billing for that repository.

What to measure in your pilot

  • GILD found no independent check of Sentry's accuracy figure; log the root causes engineers accept per project for a month, and pause automation where fewer than 3 in 4 hold.
  • Track the merge rate of Seer's pull requests per private repository; widen automation only on projects at or above the 64% GILD counted on public GitHub.
  • Recheck CERT/CC's VU#212479 each month, and turn automatic handoff on for public-DSN projects only after it lists a Sentry fix.

Sources

Official documentation
18
Public source
1
  1. Sentry docs: SeerOfficial documentationdocs.sentry.io
  2. Sentry docs: AutofixOfficial documentationdocs.sentry.io
  3. Sentry docs: Code ReviewOfficial documentationdocs.sentry.io
  4. Sentry docs: Pricing & Billing (Seer pricing)Official documentationdocs.sentry.io
  5. Sentry pricingOfficial documentationsentry.io
  6. Sentry: Seer product page and FAQOfficial documentationsentry.io
  7. Sentry blog: Seer, debug with AI at every stage of development (Jan 27, 2026)Official documentationblog.sentry.io
  8. Sentry blog: Seer is generally available (Jun 17, 2025)Official documentationblog.sentry.io
  9. Sentry docs: AI Privacy PrinciplesOfficial documentationdocs.sentry.io
  10. Sentry docs: Service Data UsageOfficial documentationdocs.sentry.io
  11. Sentry docs: AI in SentryOfficial documentationdocs.sentry.io
  12. Sentry subprocessors (updated June 1, 2026)Official documentationsentry.io
  13. Sentry docs: Coding AgentsOfficial documentationdocs.sentry.io
  14. Sentry docs: Claude AgentOfficial documentationdocs.sentry.io
  15. Sentry docs: GitHub integrationOfficial documentationdocs.sentry.io
  16. Sentry developer docs: Self-hosted SentryOfficial documentationdevelop.sentry.dev
  17. Sentry docs: Data Storage Location (US or EU)Official documentationdocs.sentry.io
  18. Sentry blog: How Seer passes legal review (Jun 27, 2025)Official documentationblog.sentry.io
  19. CERT/CC Vulnerability Note VU#212479: Sentry Seer (Sep 16, 2026)Public sourcekb.cert.org

Keep reading

  1. Buyer guideSeer Autofix Workflow Playbook: Root Causes Engineers Act OnConnect repositories and supply Seer's telemetry. Set where automation stops and measure how many pull requests merge.
  2. Buyer guideSeer Active Contributor Billing ChecklistWhat Seer costs per active contributor, which bots, agents and GitLab accounts count toward the bill, and who pays for coding-agent handoffs.
  3. Buyer guideSeer Data Handling & Automation Safety ChecklistWhich Seer projects should stop automatic agent handoff while the public-DSN flaw stays unpatched, what data reaches model vendors, and how to keep Sentry from training on yours.
Read the research