Obol — Metered Api Marketplace

@superbigroach

About Obol — Metered Api Marketplace

Pay-per-call API marketplace for AI agents. Discover and pay for metered services in USDC on Arc — no subscription, no account. Agents pay per call, sellers earn instantly.

#payments #usdc #blockchain #agents #marketplace

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "obol": {
      "command": "npx",
      "args": [
        "-y",
        "@superbigroach/obol-mcp"
      ],
      "env": {
        "OBOL_AGENT_KEY": "<your-arc-wallet-private-key>"
      }
    }
  }
}

Tools

search available APIs by keyword

pay in USDC and call any listed service instantly

publish your own API for other agents to buy

check your Arc wallet balance

Overview

What is Obol — Metered Api Marketplace?

Obol is a marketplace that enables AI agents to discover, pay for, and call metered APIs using USDC on the Arc testnet. It is designed for developers building AI agents that need to consume APIs with on-chain, per-call payments.

How to use Obol — Metered Api Marketplace?

Obtain testnet USDC from faucet.circle.com, then integrate the Obol server into your AI agent platform (e.g., Claude or Cursor) by adding the server configuration. The server exposes tools such as find_service, pay_and_call, list_service, and get_balance.

Key features of Obol — Metered Api Marketplace

Search available APIs by keyword using find_service.
Pay in USDC and call any listed API instantly.
Publish your own API for other agents to buy.
Check your Arc wallet balance with get_balance.
No subscriptions or accounts, pay per call.
Sellers get paid instantly on-chain.

Use cases of Obol — Metered Api Marketplace

An AI agent searches for a weather API and pays per request.
A developer publishes their own API for other agents to license per-use.
An agent checks its available USDC balance before making a call.
An agent pays for and calls a data enrichment service on demand.

FAQ from Obol — Metered Api Marketplace

How do I obtain test USDC to use Obol?

You can get testnet USDC from faucet.circle.com.

What tools does Obol provide for AI agents

Frequently asked questions

How do I obtain test USDC to use Obol?

You can get testnet USDC from faucet.circle.com.

Comments

Basic information

More Developer Tools MCP servers

Air Pipe

airpipe

Build, validate, deploy — HTTP APIs, cron jobs, webhooks and MCP tools — from your AI client.

AptiBuild AI — Career Intelligence

ParklandBuilds

AptiBuild AI MCP Server — career, labor market, and business idea intelligence for AI agents. 11 tools covering real-time FRED labor market signals, BLS wage data (126 occupations), AI-generated app ideas, career paths,

FastAPI-MCP

tadata-org

Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth!

11.9K

BetterBugs

The BetterBugs MCP (Model Context Protocol) enables you to load BetterBugs bug reports (via report links) directly to your preferred AI Agents and developer environments with MCP Client capabilities (such as Cursor, VS C

PuzzleTide Puzzle Generator

Caravaca-Labs

Word search generator, crossword generator, and sudoku generator + solver as a local-first MCP server. 15 deterministic tools: printable PDF puzzle worksheets, themed word banks, and verifiable LLM evals. From the makers