Perseus
YC F25Bengaluru, IN · Founded 2025 · 4 employees · 1 known investors
Efficient Systems builds Perseus, a retrieval engine that helps coding agents locate and read code in large codebases by meaning and structure. The tool indexes working trees including uncommitted edits and provides fast, cited results for AI agents and code editors.
Also known as Mantle · Starling
AI & Machine LearningDeveloper ToolsEnterprise SoftwareArtificial IntelligenceGenetic EngineeringIndiaSouth AsiaPartly Remote
Founders & leadership· Y Combinator alumni (F25)
Perseus was founded in 2025 by Samrath Chadha.
SC
Samrath Chadhain𝕏FounderFounder of Perseus, a retrieval engine that helps AI coding agents locate and understand code in large codebases.
Investors · 1
Funding
SEC filings, press & company announcements- Undisclosed amountSeries BJun 2026Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does Perseus do?
- Efficient Systems builds Perseus, a retrieval engine that helps coding agents locate and read code in large codebases by meaning and structure. The tool indexes working trees including uncommitted edits and provides fast, cited results for AI agents and code editors.
- Who founded Perseus?
- Perseus was founded by Samrath Chadha in 2025.
- Who are Perseus's investors?
- Perseus's investors include Y Combinator.
- Where is Perseus headquartered?
- Perseus is headquartered in Bengaluru, IN.

