What is Haystack?
Haystack is the fastest path from pull request to merge. It makes PRs read like a story: changes unfold in order, data flows are traced end-to-end, and caller contexts are surfaced. Even complex code feels simple to review in Haystack!
Problem
Users struggle to understand complex pull requests due to unorganized changes and lack of end-to-end data flow visibility, leading to slower reviews and potential errors.
Solution
A code review tool that organizes PR changes into a story-like format, tracing data flows and surfacing caller contexts for faster, clearer reviews (e.g., ordered change sequences, context highlights).
Customers
Software developers, engineering managers, and teams working on large or complex codebases.
Unique Features
PRs unfold in logical order with contextual dependencies mapped, simulating how code runs in production to simplify comprehension.
User Comments
Reduces PR review time by 50%
Makes code flow intuitive
Critical for large codebases
Eliminates context-switching
Integrates with GitHub/GitLab
Traction
Over 1,000 active teams, featured on Product Hunt's #1 Product of the Day with 800+ upvotes.
Market Size
The global developer tools market is valued at $8.8 billion in 2023 (Statista).
