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With AI, Everyone is a Dev. EveryDev.ai © 2026
    1. Home
    2. Developers
    3. Crux

    Crux

    Crux is the capital markets platform for the clean economy, modernizing capital raising and deployment for clean energy and infrastructure.

    Visit Website

    At a Glance

    1Tool Listed
    3Products
    4Capabilities
    Discussions
    New York, NYHeadquarters
    2023Est.
    50Employees
    $77MRaised
    Focus Areas
    Context Engineering
    LLM Orchestration
    Observability Platforms
    Connect
    Latest News
    Crux secures $500 million debt facility for clean energy investmentsMay 14, 2026
    Crux raises $50 million Series B led by Lowercarbon CapitalFeb 21, 2026
    Markets
    • Clean energy developers
    • Corporate tax teams
    • Financial institutions
    • Law firms

    AI Tools by Crux

    (1)
    View Crux
    Crux tool icon

    Crux

    TypeScript AI Harness Toolkit

    Context EngineeringLLM OrchestrationObservability

    Discussions

    No discussions yet

    Be the first to start a discussion about Crux

    Latest News

    05/14/2026

    Crux secures $500 million debt facility for clean energy investments

    Press Release
    02/21/2026

    Crux raises $50 million Series B led by Lowercarbon Capital

    ESG Today / Crux Blog
    03/12/2026

    Crux releases Official AI Information page for LLMs

    cruxjs.dev / cruxclimate.com
    01/18/2024

    Crux raises $18.2 million Series A led by a16z

    Company Blog

    Products & Services

    3
    Crux Platform
    2023

    A marketplace for clean energy transferable tax credits, providing solutions for advisory, investments, and technology.

    Crux Intelligence
    2023

    Proprietary transaction datasets and market research for clean energy finance.

    Crux Toolkit (cruxjs.dev)
    2025/2026

    An open-source TypeScript toolkit for building reliable AI features, offering blocks for memory, retrieval, and guardrails.

    Market Position

    First-mover in the transferable tax credit market with a unique combination of energy finance expertise and AI-native technology.

    Leadership

    Founders

    AJ

    Alfred Johnson

    Co-Founder & CEO. Previously co-founded Mobilize (sold to EveryAction/Insight Partners). Served at the U.S. Treasury Department.

    AK

    Allen Kramer

    Co-Founder & COO. Previously co-founded Mobilize (sold to EveryAction/Insight Partners).

    Executive Team

    AJ

    Alfred Johnson

    Co-Founder & CEO

    Former Treasury official and Mobilize co-founder.

    AK

    Allen Kramer

    Co-Founder & COO

    Former Mobilize co-founder.

    Board of Directors

    KK
    Kate Karas
    Board Member (Joined 2025)
    AJ
    Alfred Johnson
    Co-Founder & CEO
    DG
    David George
    Board Member (Andreessen Horowitz partner, likely representative)

    Founding Story

    Founded by Alfred Johnson and Allen Kramer to capitalize on the Inflation Reduction Act's creation of a new market for transferable clean energy tax credits, with a vision to build the essential infrastructure for clean energy finance.

    Business Model

    Revenue
    Billions in transactions executed (reported billions in capital transactions since 2023).

    Revenue Model

    Transaction fees from tax credit transfers, advisory fees, and platform subscriptions.

    Pricing Tiers

    Crux Toolkit (Open Source)
    $0

    Available under Apache-2.0 license via GitHub/npm.

    Crux Platform
    Custom

    Transaction-based fees or platform access fees for developers and investors.

    Private

    Target Markets

    Industries & Segments
    • Clean energy developers
    • Corporate tax teams
    • Financial institutions
    • Law firms
    Use Cases
    • Clean energy project financing
    • Corporate tax liability reduction
    • Lending portfolio management
    • AI feature reliability engineering
    Notable Customers
    • 150+ transactions closed
    • Hundreds of energy companies and financial institutions

    Quick Facts

    Headquarters
    New York, NY
    Founded
    2023
    Entity Type
    Inc.
    Employees
    50
    Total Funding
    $77M+
    Investors
    Andreessen Horowitz (a16z), Lowercarbon Capital
    Office Locations
    New York
    San Francisco

    Funding History

    Seed~$4.5M
    2023
    Lowercarbon Capital
    Ardent Venture Partners
    Seed Extension$4.25M
    July 2023
    Ardent Venture Partners
    Series A$18.2M
    January 2024
    Andreessen Horowitz (a16z)

    History & Milestones

    February 2026

    Raised $50 million Series B led by Lowercarbon Capital.

    May 2026

    Secured a $500 million debt facility for clean energy investments.

    January 2024

    Raised $18.2 million Series A led by Andreessen Horowitz (a16z).

    2023

    Crux founded and launched publicly.

    April 2023

    Launched a new ecosystem for sustainable finance and transferable tax credits.

    Key Capabilities

    4
    Transferable tax credit marketplace
    AI-powered transaction diligence
    Typed TypeScript AI building blocks
    Market intelligence datasets

    Integrations & Partnerships

    Platform Integrations

    • Vercel AI SDK
    • OpenAI
    • Anthropic
    • Google GenAI

    Key Partnerships

    Strategic partnerships with intermediaries representing billions in annual volume

    Connect

    Website
    cruxjs.dev/
    GitHub
    use-crux

    AI Topics

    3

    Crux focuses on these topics:

    Context Engineering(1)
    LLM Orchestration(1)
    Observability Platforms(1)
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