Ragtoolina – MCP tool that adds codebase RAG to AI coding agents

Show HN: Ragtoolina – MCP tool that adds codebase RAG to AI coding agents

Ragtoolina – MCP tool that adds codebase RAG to AI coding agents is a company in show hn launch.

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Ragtoolina is an MCP server that pre-indexes your codebase and provides targeted context to AI coding agents instead of letting them scan files one by one.I benchmarked it on Cal.com (~300K LOC, 40K GitHub stars):- 63% token reduction across 5 diverse query types - 43% fewer tool calls - Cost: $3.01 vs $7.81 per 5-query sessionThe benchmark covers different complexity levels — from simple call-chain tracing to architectural understanding queries. RAG overhead doesn't pay off on trivial lookups (one query was actually worse with Ragtoolina), but on complex multi-file tasks the savings are substantial (up to 79% token reduction).Quality evaluation was done via blind AI-judge scoring (the judge

Within the show hn launch space, the company focuses on its core offering rather than a broad product line.

Its current recorded stage is Show HN launch.

Website: www.ragtoolina.com