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    3. Haystack

    Haystack

    Haystack provides an agent-native control layer for code changes, automating the tedious parts of software development like code reviews and merge management.

    Visit Website

    At a Glance

    1Tool Listed
    3Products
    3Tool Views
    7Capabilities
    Discussions
    New York, NYHeadquarters
    2024Est.
    2Employees
    $500000Raised
    Focus Areas
    Code Review
    Automated Testing
    AI Coding Assistants
    Connect
    Latest News
    Haystack Launches Agent-Native Control Layer on Y CombinatorJan 1, 2025
    Introduction of the Triage Council for Multi-Agent PR ReviewsJan 1, 2026
    Markets
    • Engineering Teams
    • B2B Software Development

    AI Tools by Haystack

    (1)
    View Haystack
    Haystack tool icon

    Haystack

    AI PR Triage and Review

    Code ReviewAutomated TestingAI Coding Asst.

    Discussions

    No discussions yet

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    Latest News

    01/01/2025

    Haystack Launches Agent-Native Control Layer on Y Combinator

    ycombinator.com
    01/01/2026

    Introduction of the Triage Council for Multi-Agent PR Reviews

    haystackeditor.com
    01/01/2026

    Launch of Alpha Auto-Fix Feature for Mechanical Issues

    haystackeditor.com

    Products & Services

    3
    Haystack Editor
    2024

    A standalone, canvas-based code editor that allows engineers to explore and edit code as a directed graph on a 2D canvas.

    AI-Powered Code Review Inbox
    2025

    A platform that triages every PR using an AI 'agent council', auto-merges clean ones, and surfaces bugs and policy violations.

    Haystack Merge Queue
    2025

    Handles conflicts, rebases, and CI failure repairs automatically to keep the development velocity high.

    Market Position

    Positions itself as a standalone agent-native control layer that replaces noisy bot comments with a unified triage inbox, leveraging the full context of coding agents to reduce false positives.

    Leadership

    Founders

    AS

    Akshay Subramaniam

    Previously worked in the High-Performance Computing division at AWS (Amazon Web Services). Holds a Master's Degree in Machine Learning from Columbia University. Education at Arizona State University.

    JY

    Jake Yatvitskiy

    Previously a Software Engineer at Amazon Web Services (AWS). Education at University of Michigan.

    Executive Team

    AS

    Akshay Subramaniam

    Co-Founder

    Ex-AWS HPC, Columbia ML Master's.

    JY

    Jake Yatvitskiy

    Co-Founder

    Ex-AWS Software Engineer, University of Michigan.

    Board of Directors

    AS
    Akshay Subramaniam
    Co-Founder
    JY
    Jake Yatvitskiy
    Co-Founder

    Founding Story

    Born out of frustrations with navigating large codebases and managing functional flows, specifically the friction in navigating files and handling the noise of AI bot comments on pull requests.

    Business Model

    Revenue Model

    SaaS subscription (seat-based pricing).

    Pricing Tiers

    Pro
    $30/month per person

    Smart inbox, Merge queue, Enforces standards, Aggregates AI reviewers, Coding agent context, Unlimited reviews.

    Enterprise
    Custom

    Everything in Pro, Self-host option, Security and compliance, SSO/SAML, Dedicated support.

    Private

    Target Markets

    Industries & Segments
    • Engineering Teams
    • B2B Software Development
    Use Cases
    • Managing AI-generated pull requests
    • Accelerating manual code review processes
    • Codebase exploration and onboarding
    • Complex cross-file refactoring
    Notable Customers
    • React
    • Redis
    • Django
    • Godot

    Quick Facts

    Headquarters
    New York, NY
    Founded
    2024
    Entity Type
    Inc.
    Employees
    2
    Total Funding
    $500,000
    Investors
    Y Combinator
    Office Locations
    New York

    Funding History

    Seed (Y Combinator W25)$500,000
    2025
    Y Combinator

    History & Milestones

    2026

    Expanded into the 'agent-native control layer' for automated code reviews and PR management.

    2025

    Launched as part of Y Combinator (W25 batch).

    2025

    Released Haystack Editor, a canvas-based IDE.

    2024

    Company founded in New York, NY.

    Key Capabilities

    7
    2D Digital Canvas for Code Exploration
    Navigational Copilot for Refactoring
    AI Triage Council (multi-agent review aggregation)
    Automated Merge Queue (rebases, conflict resolution)
    Standards Enforcement (learns from past reviews)
    Alpha Auto-Fix for mechanical issues

    Integrations & Partnerships

    Platform Integrations

    • GitHub
    • VS Code (extension import)
    • CodeRabbit
    • Greptile
    • Claude
    • Gemini
    • OpenAI

    Key Partnerships

    Y Combinator

    Connect

    Website
    haystackeditor.com
    X / Twitter
    haystackreview

    AI Topics

    3

    Haystack focuses on these topics:

    Code Review(1)
    Automated Testing(1)
    AI Coding Assistants(1)
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