What it sells
Self-tuning search for products and files
Business model breakdown
Buyer: who owns the budget?
UnverifiedEngineering lead or CTO at AI-product startups building RAG.
Workflow: what inputs become what output?
Connect a bucket, Captain syncs and parses files (scans, tables, audio, video) into one index, serves a query API, and an MCP eval tool tunes retrieval toward the customer targets.
Economics: what it saves and how it charges
Usage-based credits: Developer free tier, Scale at $1,600/mo for 83,000 credits, overage $0.015-$0.02 per credit; per-query fees on the free tier.
Distribution: how it reaches customers
Self-serve API key signup plus Book a demo / sales for Enterprise; MCP server listed for Claude Code, Cursor, Codex etc.
Funding history and coverage
| Round date | Stage | Amount | Investors | Source |
|---|---|---|---|---|
| — | Y Combinator Winter 2026 | — | Y Combinator | ycombinator.com |
Profiles summarize public reporting and company websites. Business-model notes are MaxBC's reading of that material, not confirmed facts; unknowns are left blank rather than guessed. Updated 2026-10-12.