Gold 402

finance MCP Server

⚡ The gold standard for x402 resources. 300+ projects, SDKs, tools, facilitators, and ecosystem data for the HTTP 402 Payment Required protocol. Curated by 24K Labs.

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Why This Matters

Discovered via github-topic:mcp and last synced 3mo ago.

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Available Tools (30)

Settlement

Production Examples

Bazaar-Indexed

251+

Ethereum

Production

Chain

Status

Testnet

Coinbase CDP

Production

Pieverse

Solana

Production

Deferred

Enterprise DApps

Polygon

Now leading Base in daily transaction count. MATIC fee subsidies for agentic payments.

Python

Official SDK. FastAPI middleware + async requests client.

TypeScript

Official Solana Foundation library for handling x402 and MPP payment challenges with user-authorized stablecoin signing. Updated May 2026.

General

100+ curated MCP tools, x402-gated. The hub for AI agent tooling.

Per-token

LLM inference via x402. Pay per token, no subscription, no API key.

Metric

Value

SDK

Vercel AI SDK `paidTool` primitive — for building MCP tools that monetize via x402.

Category

Description

Per-call

27 on-chain tools. Portfolio analysis, NFT data, market intelligence on Base.

Project

Description

Facilitator

Chains

Security

9 endpoints: breach check (900M+ HIBP hashes), URL safety, prompt injection detection.

Base

Enterprise billing infrastructure: dispute resolution, fraud detection, compliance tooling.

XLM

Fastest finality in the ecosystem. Added March 2026.

Service

Description

Rust

Axum middleware + async runtime. Full EIP-3009 signing.

Automation

Task automation via x402. Sequential and parallel workflow execution.

Per-request

Web scraping and search API with x402-gated endpoints and automatic on-chain USDC settlement. Coinbase CDP case study service.

Java

Production-ready Java x402 stack with SDK, server, console, and bundled MCP server. Fills the Java gap in the official ecosystem.

Discovery

Real-time discovery of x402-enabled tools across the ecosystem. Agents find tools, tools get paid.

Tool

Description

Trust

Agent trust scoring (0-100), Sybil detection, Ed25519 Verifiable Credentials. 7 MCP tools.