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With AI, Everyone is a Dev. EveryDev.ai © 2026
    1. Home
    2. Tools
    3. Open Agent Builder
    Open Agent Builder icon

    Open Agent Builder

    Agent Frameworks

    An open-source framework by Firecrawl for building AI agents with web scraping and data extraction capabilities.

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    At a Glance

    Pricing
    Open Source

    Free and open source under permissive license

    Engagement

    Available On

    Web
    API

    Resources

    WebsiteDocsGitHubllms.txt

    Topics

    Agent FrameworksAutonomous SystemsWeb Research

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    AgentSilexMercury AgentII Agent
    Developer
    SideGuide Technologies, IncBoston, MAEst. 2022$14.6M raised

    Listed Feb 2026

    About Open Agent Builder

    Open Agent Builder is an open-source framework developed by Firecrawl that enables developers to create AI agents with powerful web scraping and data extraction capabilities. The tool provides a foundation for building autonomous agents that can navigate, extract, and process web content intelligently. It leverages Firecrawl's web scraping infrastructure to give agents the ability to interact with and understand web pages.

    • Open Source Framework: Fully open-source project hosted on GitHub, allowing developers to inspect, modify, and contribute to the codebase while building custom AI agents tailored to their specific needs.

    • Web Scraping Integration: Built on top of Firecrawl's web scraping technology, enabling agents to efficiently crawl websites, extract structured data, and process web content at scale.

    • Agent Building Capabilities: Provides the foundational tools and abstractions needed to construct AI agents that can autonomously perform web-based tasks and data gathering operations.

    • Developer-Friendly: Designed with developers in mind, offering a straightforward approach to getting started with agent development through clear documentation and examples in the repository.

    • Extensible Architecture: Built to be extended and customized, allowing developers to add new capabilities, integrate with other AI services, and adapt the framework to various use cases.

    To get started, clone the repository from GitHub and follow the setup instructions in the README. The framework is designed to work with Firecrawl's API for web scraping operations, making it easy to build agents that can interact with web content programmatically.

    Open Agent Builder - 1

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    Pricing

    OPEN SOURCE

    Open Source

    Free and open source under permissive license

    • Full source code access
    • Web scraping integration
    • Agent building framework
    • Community support

    Capabilities

    Key Features

    • Open source agent framework
    • Web scraping integration
    • AI agent building tools
    • Data extraction capabilities
    • Extensible architecture
    • GitHub-hosted development

    Integrations

    Firecrawl
    GitHub
    API Available
    View Docs

    Ratings & Reviews

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    Developer

    SideGuide Technologies, Inc

    SideGuide Technologies, Inc. is the parent legal entity — the actual company registered in Delaware. Under that umbrella, the team built multiple products: 1. **SideGuide** — their first product, a VS Code extension for learning code (got ~50,000 users) 2. **Mendable** — their second product, an AI-powered "chat with your docs" tool (landed customers like Snapchat, MongoDB, LangChain) 3. **Firecrawl** — their latest and biggest product, a web scraping/crawling API for AI The origin story: while building Mendable, the team kept running into the same problem — getting clean, structured web data for AI was really hard. So they built Firecrawl to solve that problem, and it took off way bigger than Mendable did (48k+ GitHub stars, $17.7M raised, 350k+ developers). All three products still exist under SideGuide Technologies, Inc., but Firecrawl became the main thing — which is why the company now does business as "SideGuide Technologies, Inc. d/b/a Firecrawl." Mendable is still active as a separate product at mendable.ai. Same company, same founder (Caleb Peffer), different products. SideGuide Technologies is the umbrella and Firecrawl/Mendable are products underneath it.

    Founded 2022
    Boston, MA
    $14.6M raised
    10 employees

    Used by

    Shopify
    Zapier
    Apple
    Alibaba
    +2 more
    Read more about SideGuide Technologies, Inc
    Website
    1 tool in directory

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