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Danube

Show HN: Danube – AI Tools Marketplace

40 AI Score
Show_hn other Added Mar 24, 2026

Details

Sector
other
Total Funding
$0
Last Round
$0

About

Hey HN,<p>I built Danube, a marketplace where AI agents can discover and execute tools, and where developers can publish and monetize them.<p>I got tired of two things: giving my API keys directly to agents like OpenClaw (didn&#x27;t feel secure), and having to re-setup all my MCP servers every time I switched between Cursor, Claude Code, and other tools.<p>Danube stores your credentials securely. Your agent calls the tool and never sees the keys. And since it&#x27;s one MCP connection, you set it up once and it works across all your clients.<p>For devs who want to publish: you upload an OpenAPI spec or MCP server, optionally set pricing, and you&#x27;re live. Agents can search and find your tools without users needing to manually configure anything.<p>100+ services work today. No signup required to browse.<p>Would love to hear what tools you use most with AI agents. If anyone&#x27;s interested in publishing a tool, happy to help get you set up.

AI Score Reasoning

Heuristic score based on available signals. Funding: $0, Source: show_hn.

Source

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