Obol

io.github.superbigroach/obol

Find, pay for & call APIs in USDC from AI agents - gasless, sub-cent, 0% commission.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "obol": {
      "command": "npx",
      "args": [
        "-y",
        "@superbigroach/obol-mcp@0.2.2"
      ],
      "env": {
        "OBOL_API_KEY": "<your OBOL_API_KEY>",
        "OBOL_AGENT_KEY": "<your OBOL_AGENT_KEY>"
      }
    }
  }
}
Environment variables
  • OBOL_API_KEYrequiredsecretYour Obol API key (obl_sk_live_...) from obol-arc.web.app/settings — identifies your account for listing services and metered calls.
  • OBOL_AGENT_KEYsecret32-byte hex Arc wallet private key that signs gasless x402/EIP-3009 payment authorizations. Needed only for paying (pay_and_call); discovery and listing work without it.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.2.2
Registry
active
Published
6/30/2026

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Add the badge to your site

Show visitors that Obol is listed here — it’s also the link we check for a free listing.

Obol — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-superbigroach-obol?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Obol — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Obol — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-superbigroach-obol?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.