Sourcebot is an open-source code understanding platform that helps both humans and AI agents make sense of massive codebases. It lets developers and AI agents search across millions of lines of code instantly and ask questions spanning multiple repositories using reasoning models. The platform is used by engineers at companies including NVIDIA, Red Hat, Wikimedia, and Arista Networks. Sourcebot was founded in 2024 and is part of Y Combinator's Fall 2025 batch.
Sourcebot
ActiveHelping humans and AI agents understand massive codebases
Total raised
$500K
1 round
Stage
Seed
Jan 2025
Team
1-10
since 2025
Pricing
—
Founded
2025
San Francisco, United States
Agent-ready
—
Open-source code understanding platform
Search across millions of lines of code instantly
Multi-repository search and reasoning
Question answering across codebases using reasoning models
Designed for both human developers and AI agents
Handles massive, multi-repo codebases
Self-hostable open-source deployment
Used by engineers at NVIDIA, Red Hat, Wikimedia, and Arista Networks
12/100
Early
MCP server
Public API
Webhooks
OAuth 2.0
SDKs
No public agent surfaces detected yet.
Jan 2025 Seed $500K ● Y Combinator
Capital network
$500K raised ·1 backer·10 network links
- Backers1
- Shared portfoliocompanies these backers also fund
- Extended networkfunds that co-invest alongside them
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- What is Sourcebot?
- Sourcebot is an open-source code understanding platform that helps humans and AI agents search and reason across massive, multi-repository codebases.
- Who uses Sourcebot?
- It is used by engineers at companies including NVIDIA, Red Hat, Wikimedia, and Arista Networks.
- How does it help AI agents?
- It lets AI agents search across millions of lines of code instantly and answer questions spanning multiple repositories using reasoning models, providing codebase context.
- Is Sourcebot open source?
- Yes. It is an open-source platform, which allows teams to self-host and inspect the software.
- When is Sourcebot most useful?
- It delivers the most value on large, multi-repository codebases where searching and reasoning across millions of lines of code is otherwise difficult.
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