40 payment tools for agents, scored

MCP server giving AI agents live data — markets, crypto, research, X — billed per call via x402 micropayments.

MCP · ★ 393

Crossmint's open-source library of onchain actions (tools) for AI agents across chains.

Skill Repo · ★ 1,009

Network and framework for co-owned autonomous agent services operating onchain.

Agent Framework

Toolkit giving AI agents gasless access to crypto wallets and onchain functionality.

Wallet Infrastructure · ★ 415

Open payment protocol enabling agents and apps to pay for APIs over HTTP using stablecoins.

API / SDK · ★ 150

Non-custodial toolkit from Trust Wallet (MCP server, CLI, and SDK) that lets AI agents read and transact across 25+ chains within user-defined rules.

Wallet Infrastructure · ★ 63

SDK from World (Tools for Humanity) that lets AI agents present a zero-knowledge proof a verified human authorized them, combined with x402 payments.

API / SDK · ★ 23

Wallet and DeFi data provider offering portfolio, positions, transactions, PnL, and prices across many chains, with an agent-accessible API.

Data Tool · ★ 59

TRON infrastructure MCP (hosted SSE + local stdio): energy/bandwidth prices, resource optimization, and TRC-20 stablecoin payments.

MCP · ★ 3

Embedded and server wallet infrastructure used to give agents secure key management.

Wallet Infrastructure

Bitcoin-native MCP server: BTC/STX wallets, L1 reads and transfers, Stacks, sBTC, and x402 payments.

MCP · ★ 10

Official OpenSea agent skill and MCP server letting AI agents query NFT/token data and execute marketplace operations such as listing, offers, and token swaps.

API / SDK · ★ 49

Zero-config Bitcoin data MCP: fees, mempool, blocks, transactions, mining, price, and supply.

MCP · ★ 3

Crypto execution layer and cross-chain wallet that lets agents and users trade, bridge, and manage assets via natural language, plus a skills marketplace and an x402 cloud for spinning up pay-per-call agent endpoints.

Wallet Infrastructure · ★ 1,193

Official Circle skill repo for USDC payments, cross-chain transfers, and wallet integration.

Skill Repo · ★ 143

Open standard maintained by OpenAI and Stripe for connecting buyers, their AI agents, and businesses to complete purchases.

API / SDK · ★ 1,441

Open DeFi analytics dashboard and free API tracking TVL, fees, revenue, volume, and yields across many chains and protocols.

Data Tool

Drop-in OpenAI Python client with transparent x402 micropayment support.

API / SDK · ★ 261

PayRam's MCP server for self-hosted crypto payments: hosted endpoints and agent payment workflows.

MCP · ★ 156

An installable skill and unified API giving AI agents access to crypto market, on-chain, social, and prediction-market data across 40+ chains.

Skill Repo · ★ 73

Bitcoin Lightning wallet MCP and CLI for agent payments: invoices, sends, and L402 support.

MCP · ★ 9

Open protocol from Google for secure agent-led payments across traditional and crypto rails, with a crypto-native x402 extension built with Coinbase, Ethereum Foundation, and MetaMask.

API / SDK · ★ 2,937

Commerce SDK for bootstrapping AI agents that can pay, sell, and transact onchain.

Agent Framework · ★ 196

Skill collection for EmblemAI agents — 200+ crypto tools across seven blockchains.

Skill Repo · ★ 12

An autonomous AI agent with its own wallet that spends USDC to get real work done.

Onchain Agent · ★ 552

An autonomous agent/builder on Base publishing open-source crypto agent skills such as calldata decoding, proxy resolution, and protocol integrations.

Skill Repo · ★ 18

Arbitrum-native, MCP-first agent framework with A2A and x402 support, backed by an Arbitrum Foundation grant program.

Agent Framework · ★ 53

Draft Ethereum standard defining an on-chain job-escrow protocol with evaluator attestation so AI agents can hire, deliver, and settle work without intermediaries.

API / SDK · ★ 9

Farcaster developer platform providing APIs, SDKs, webhooks, and an agent skill for building and deploying agents that read and write Farcaster data.

API / SDK

DePIN infrastructure providing agents with identity, wallets, and pay-per-request onchain settlement, with peaqOS skills for AI coding tools.

API / SDK

Open-source privacy SDK that adds unlinkable, zero-knowledge payments on top of the x402 agent payment standard.

Security Tool

Gasless stablecoin payment relay and managed Agent Wallets across 12 EVM chains (EIP-712 + EIP-7702), with an MCP server and optional ERC-8004 registration on BNB Chain.

Wallet Infrastructure · ★ 0

Agent skills for OKX OnchainOS: wallet, token discovery, market data, and DEX swaps.

Skill Repo · ★ 331

GoPlausible's Algorand MCP: agent wallets, transaction building/signing, TEAL, DEX aggregation, full Algod/Indexer access.

MCP · ★ 44

Official Sperax MCP for USDs/SPA protocol data: peg health, collateral, yield strategies, and vault risk on Arbitrum and BNB Chain.

MCP · ★ 16

Hashgraph Online MCP for agent discovery, chat, registration, workflows, and Hedera agent interactions.

MCP · ★ 13

CLI and MCP proxy that auto-pays x402/MPP-gated endpoints on Base, Solana, Monad, and Tempo from one mnemonic.

Developer Tool · ★ 11

MCP server for Gloria AI's curated crypto news feed — sentiment-tagged headlines, recaps, and search for agents.

Data Tool · ★ 1

Specification for the Payment HTTP auth scheme (Multi-Party Payments) from Tempo, the Stripe/Paradigm-backed payments L1.

API / SDK · ★ 92

Agent skill for Bitget Wallet: token swaps, cross-chain bridging, and gasless transactions.

Skill Repo · ★ 180