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FlagShark is an automated feature flag lifecycle management platform that integrates with GitHub to detect, track, and retire stale feature flags across your codebase using deterministic tree-sitter AST parsing. It monitors pull requests, identifies when flags are added or removed, and opens cleanup PRs to eliminate technical debt.
Connect FlagShark to your GitHub repositories in under 30 seconds. No code changes, no CI pipeline modifications required.
FlagShark monitors every pull request, parses code diffs with syntax-aware detection (tree-sitter AST for TypeScript, JavaScript, Go, Python, Java, C#, and PHP; precise regex for the rest), and identifies feature flag additions and removals.
Every detected flag is tracked in a dashboard with health scores, age metrics, and ownership data so your team always knows which flags need attention.
When flags become stale, FlagShark opens a removal PR that deterministically retires the dead code while preserving business logic. You review. You merge.
FlagShark parses TypeScript, JavaScript, Go, Python, Java, C#, and PHP into abstract syntax trees and uses precise regex patterns for the other languages. Matching flag calls by structure means far fewer false positives from comments, strings, or variable names.
Cleanup PRs use deterministic code transformations, not AI-generated suggestions. The same input always produces the same output. You can audit it.
FlagShark never modifies your code directly. Every change comes as a standard pull request that your team reviews and merges through your existing workflow.
Tree-sitter AST for TS, JS, Go, Python, Java, C#, and PHP; precise regex for the rest. Far fewer false positives than blind text search.
Works with the platform you already pay for. No vendor lock-in.
FlagShark is an automated feature flag lifecycle management platform that integrates with GitHub to detect, track, and retire stale feature flags across your codebase using deterministic, syntax-aware parsing.
FlagShark parses your code with tree-sitter into an abstract syntax tree (AST) for TypeScript, JavaScript, Go, Python, Java, C#, and PHP, and uses precise regex patterns for the other supported languages, then matches flag provider method calls based on your configuration. This syntax-aware approach produces far fewer false positives from comments or string literals than blind text search.
FlagShark supports 13 programming languages: Go, TypeScript, JavaScript, Python, Rust, C#, Java, Kotlin, Ruby, PHP, Swift, C++, and Objective-C.
FlagShark works with LaunchDarkly, Statsig, Split.io, PostHog, Flagsmith, ConfigCat, and Unleash out of the box, plus OpenFeature and any other custom flag provider you define via a simple YAML configuration file.
Yes. FlagShark offers a free tier for 3 repositories, with the full GitHub Action and PR commenting. Paid plans start at $49/month for teams needing multi-repo support, dashboard analytics, Slack alerts, and a weekly email digest.
No. FlagShark analyzes your code in isolated environments and never stores source code. Only flag metadata (names, locations, ages) is persisted. Access is read-only with minimal GitHub App permissions.
Install in 30 seconds. Get your first cleanup PR within the hour. Free forever for 3 repos.