Toolfi
Browse and pay for crypto data APIs from agents using USDC on Base through an open marketplace MCP endpoint.
Overview
Toolfi MCP is a MCP server for the Build phase that provides an open API marketplace for agents with crypto data tools and USDC payments on Base.
What is this MCP server?
- Open API marketplace oriented to AI agent consumers
- Crypto-focused data tools with USDC payments on Base network
- Remote streamable-http MCP at hosted endpoint (v1.2.0)
- Combines tool discovery and paid access without bespoke merchant integrations per API
- Server version 1.2.0
- Remote transport: streamable-http
- Payments: USDC on Base network
What problem does it solve?
Solo builders want agents to discover and pay for crypto data APIs without one-off integrations for every provider.
Who is it for?
Builders shipping crypto or on-chain analytics agents who already use Base and USDC for micro-payments.
Skip if: Products that need only free REST keys, fiat Stripe billing, or non-crypto datasets.
What do I get? / Deliverables
After registration, agents can reach Toolfi’s remote MCP marketplace and invoke paid crypto data tools settled in USDC on Base.
- Agent-discoverable marketplace tools over remote MCP
- USDC-settled access paths to listed crypto data APIs
Recommended MCP Servers
Journey fit
Toolfi is a Build-phase integration: you connect agents to paid crypto data tools during product construction, not a Launch distribution play. Integrations captures marketplace discovery, remote MCP HTTP access, and on-chain USDC settlement in one agent wiring step.
How it compares
Remote paid API marketplace MCP, not a single static crypto price skill.
Common Questions / FAQ
Who is Toolfi MCP for?
Solo developers and agent builders who need discoverable, pay-per-use crypto data APIs with USDC on Base.
When should I use Toolfi MCP?
Use it in Build integrations when your agent product needs marketplace-style access to multiple crypto data vendors.
How do I add Toolfi MCP to my agent?
Add a remote MCP server entry with type streamable-http pointing at the Toolfi hosted URL from server.json, fund USDC on Base per Toolfi docs, then test tool calls from your host.