Scored list · updated 2026-09-10
38 x402 payment tools on Base, scored
38 x402 payment tools on Base: 38 listings as of 2026-09-10, 19 open source, 10 with activity in the last 30 days; highest Sato Scores: BlockRun MCP (89), x402 (86), Trust Wallet Agent Kit (TWAK) (86).
Rule · Every listing whose standards field includes x402 and whose supported chains include Base, ordered by Sato Score; rebuilt daily.
The Sato Score is a 0–100 measure of how open, active and verifiable a project is; not a safety, quality or returns grade. No winner is declared; the order is the score.
| # | Listing | Sato Score | Liveness | Chains |
|---|---|---|---|---|
| 1 | BlockRun MCP✓ reproduced MCP server giving AI agents live data — markets, crypto, research, X — billed per call via x402 micropayments. MCP · ★ 393 | High | Active · 2d ago | Base, Solana |
| 2 | x402✓ reproduced Open payment protocol enabling agents and apps to pay for APIs over HTTP using stablecoins. API / SDK · ★ 150 | High | Active · 7d ago | Base, Ethereum, Multichain, Solana |
| 3 | Trust Wallet Agent Kit (TWAK)✓ reviewed 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 | High | Active · 2d ago | Ethereum, Base, Solana, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche, Multichain |
| 4 | World AgentKit✓ reviewed 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 | High | Active · 14d ago | Base |
| 5 | Zerion✓ reproduced Wallet and DeFi data provider offering portfolio, positions, transactions, PnL, and prices across many chains, with an agent-accessible API. Data Tool · ★ 59 | High | Active · 2d ago | Ethereum, Base, Arbitrum, Optimism, Polygon, Avalanche, BNB Chain, Multichain, Solana, Tron, Monad |
| 6 | OpenSea Agent Skill✓ reviewed 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 | High | Active · 9d ago | Ethereum, Base, Solana, Polygon, Arbitrum, Optimism |
| 7 | 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 | High | Active · today | Base, Ethereum, Polygon, Arbitrum, Solana, Bitcoin, BNB Chain, Multichain, Hyperliquid |
| 8 | 0xGasless AgentKit✓ reproduced Toolkit giving AI agents gasless access to crypto wallets and onchain functionality. Wallet Infrastructure · ★ 415 | High | Recent · 1mo ago | BNB Chain, Avalanche, Base |
| 9 | x402 OpenAI (Python)✓ reproduced Drop-in OpenAI Python client with transparent x402 micropayment support. API / SDK · ★ 261 | High | Active · 8d ago | Ethereum, Base, Solana |
| 10 | Agent Payments Protocol (AP2)✓ reviewed 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 | High | Quiet · 5mo ago | Ethereum, Base, Multichain |
| 11 | Lucid Agents✓ reproduced Commerce SDK for bootstrapping AI agents that can pay, sell, and transact onchain. Agent Framework · ★ 196 | High | Recent · 2mo ago | Base, Ethereum, Solana |
| 12 | Emblem Agent Skills✓ reproduced Skill collection for EmblemAI agents — 200+ crypto tools across seven blockchains. Skill Repo · ★ 12 | High | Quiet · 4mo ago | Solana, Ethereum, Base, BNB Chain, Polygon, Bitcoin |
| 13 | An autonomous AI agent with its own wallet that spends USDC to get real work done. Onchain Agent · ★ 552 | High | Active · 5d ago | Base, Solana |
| 14 | An autonomous agent/builder on Base publishing open-source crypto agent skills such as calldata decoding, proxy resolution, and protocol integrations. Skill Repo · ★ 18 | High | Recent · 2mo ago | Base, Ethereum |
| 15 | Neynar✓ reviewed Farcaster developer platform providing APIs, SDKs, webhooks, and an agent skill for building and deploying agents that read and write Farcaster data. API / SDK | Medium | no signal | Base, Ethereum |
| 16 | PRXVT✓ reproduced Open-source privacy SDK that adds unlinkable, zero-knowledge payments on top of the x402 agent payment standard. Security Tool | Medium | no signal | Ethereum, Base, Polygon |
| 17 | Agent skills for OKX OnchainOS: wallet, token discovery, market data, and DEX swaps. Skill Repo · ★ 319 | Medium | Active · today | Solana, Ethereum, Base, BNB Chain, Arbitrum, Polygon |
| 18 | Read-only Base mainnet MCP for x402: verify USDC settlements, parse x402 manifests, probe endpoints, decode payment payloads. MCP · ★ 2 | Medium | Recent · 1mo ago | Base |
| 19 | Agent skill for Bitget Wallet: token swaps, cross-chain bridging, and gasless transactions. Skill Repo · ★ 180 | Medium | Quiet · 5mo ago | Ethereum, Solana, BNB Chain, Base, Arbitrum, Tron, TON, Sui, Optimism |
| 20 | Agently✓ reproduced Routing and settlement layer and CLI for agent-to-agent commerce, supporting EVM wallets, agent discovery, A2A messaging, x402 payments, and ERC-8004 identity. API / SDK · ★ 65 | Medium | Quiet · 5mo ago | Base |
| 21 | Web3 toolkit for Claude Code: 140 custody-free MCP tools for EVM and Solana DeFi, DEX, and perps. Skill Repo · ★ 11 | Medium | Recent · 2mo ago | Ethereum, Solana, Tron, Base |
| 22 | Solana-first x402 payment facilitator enabling usage-based, machine-to-machine payments for AI agents. API / SDK | Medium | no signal | Solana, Base, Polygon, Avalanche, Arbitrum |
| 23 | Pay-per-call gateway where AI agents reach 55+ LLMs, data, and tools through one endpoint, settled in USDC via x402 — no API keys. API / SDK | Medium | no signal | Base, Solana |
| 24 | MCP server that discovers x402-paid APIs via CDP Bazaar and handles USDC micropayments on Base. MCP · ★ 1 | Medium | Recent · 2mo ago | Base, Solana |
| 25 | Gives any AI agent a crypto wallet to pay x402 APIs, receive USDC, and check balances. Wallet Infrastructure · ★ 71 | Medium | Recent · 1mo ago | Ethereum, Base, Arbitrum, Polygon, Solana |
| 26 | An x402 micropayment gateway and transparent proxy that adds pay-per-request paywalls to existing APIs without backend rewrites. API / SDK · ★ 4 | Medium | Quiet · 7mo ago | Solana, Base |
| 27 | Wallet-as-a-Service infrastructure for AI agents. Wallet Infrastructure · ★ 26 | Medium | Quiet · 5mo ago | Solana, Ethereum, Polygon, Arbitrum, Optimism, Base, Avalanche, BNB Chain |
| 28 | Cobo Agentic Wallet✓ reviewed Non-custodial MPC wallet for AI agents with cryptographically enforced human rules, plus a WaaS Skill for building wallet apps via natural language. Wallet Infrastructure | Medium | no signal | Ethereum, Solana, Base, Multichain, Polygon, Hyperliquid |
| 29 | Onchain analytics platform with wallet labeling and smart-money tracking, offering an API with key-based and x402 access. Data Tool | Medium | Quiet · 3mo ago | Ethereum, Base, Solana, Arbitrum, Optimism, Polygon, Multichain |
| 30 | Privacy-preserving x402 payments for agents on Base, with stealth addresses and TEE-encrypted inference, no accounts or API keys. API / SDK | Medium | no signal | Base, Ethereum |
| 31 | Coinbase Developer Platform wallet infrastructure built for AI agents, with spend caps, gasless Base settlement, and native x402. Wallet Infrastructure | Medium | no signal | Base, Solana, Multichain |
| 32 | An Optimism Superchain L2 focused on AI-driven onchain finance, with configurable rules-based trading agents. Onchain Agent | Medium | no signal | Optimism, Base, Multichain |
| 33 | An onchain data network providing structured, AI-ready blockchain data across many chains, with API, CLI, MCP, and x402 access. Data Tool | Medium | no signal | Ethereum, Base, Solana, Arbitrum, Optimism, Polygon, BNB Chain, Multichain |
| 34 | Alchemy's payment proxy for AI agents — every API request is authenticated, metered, and settled automatically, so agents pay per call without keys or subscriptions. Wallet Infrastructure | Low | no signal | Base, Multichain |
| 35 | Base-based marketplace where humans and AI agents post and complete tasks, with USDC locked in on-chain escrow, agent staking, and ERC-8004 identity/reputation. Developer Tool | Low | no signal | Base |
| 36 | Explorer for the x402 ecosystem: transactions, sellers, origins, and resources across agentic commerce. Data Tool | Low | no signal | Base |
| 37 | Pay-per-use security verification endpoints for AI agents, billed via x402 micropayments. Security Tool | Low | no signal | Base, Ethereum, Solana |
| 38 | An ERC-8183 agent skill marketplace where builders register skills and agents discover, chain, and pay for them on-chain. Agent Marketplace | Low | no signal | BNB Chain, Base |
✓ marks an earned state — reviewed against evidence, install reproduced, on-chain identity read from the chain, or endpoint probed — named as what was checked. None of them is a safety claim.
Questions this list answers
- Which of these are open source?
- 19 of 38: BlockRun MCP, x402, OpenSea Agent Skill, 0xGasless AgentKit, x402 OpenAI (Python), Agent Payments Protocol (AP2), Lucid Agents, Emblem Agent Skills, Franklin, Axiom (clawbots), PRXVT, OKX OnchainOS Skills and others.
- Which are actively maintained?
- 10 showed public activity in the last 30 days: BlockRun MCP, x402, Trust Wallet Agent Kit (TWAK), World AgentKit, Zerion, OpenSea Agent Skill, Bankr, x402 OpenAI (Python), Franklin, OKX OnchainOS Skills. Activity is a recency signal, not a quality judgment.
- Which have an earned verification on Sato Hub?
- 15: BlockRun MCP, x402, Trust Wallet Agent Kit (TWAK), World AgentKit, Zerion, OpenSea Agent Skill, 0xGasless AgentKit, x402 OpenAI (Python), Agent Payments Protocol (AP2), Lucid Agents, Emblem Agent Skills, Neynar. An earned check is named as what was checked (install reproduced, endpoint probed, on-chain identity read, reviewed against evidence); none is a safety claim.
- Which run as MCP servers?
- 19: BlockRun MCP, Trust Wallet Agent Kit (TWAK), Zerion, OpenSea Agent Skill, Agent Payments Protocol (AP2), Lucid Agents, Emblem Agent Skills, TensorFeed x402 Base MCP, Agently, ChainGPT Claude Skill, BlockRun, x402node MCP and others.
- How is this list ranked?
- 38 x402 payment tools on Base is derived from Sato Hub's live records by a stated rule and ordered by Sato Score, a 0–100 measure of how open, active and verifiable each project is. It is not a quality ranking and declares no winner.
Sources — the projects' own repositories and docs
Related
Other scored lists
- 16 trading agent frameworks, scored
- 67 onchain trading tools on Base, scored
- 30 Solana MCP servers, scored
- 35 Base MCP servers, scored
- 33 Ethereum MCP servers, scored
- 48 x402-ready tools, scored
- 12 ERC-8004 tools, scored
- 29 onchain agent frameworks, scored
- 26 wallets for agents, scored
- 36 MCP servers with a verified install, scored
- 25 highest Sato Scores in the directory
- 37 hosted MCP endpoints answering today, scored
Cite this page
Sato Hub. "38 x402 payment tools on Base, scored." Sato Hub, updated 2026-09-11, accessed 2026-09-11. https://satohub.ai/lists/x402-tools-on-baseThis page is refreshed daily. Citations include the date so a reader can tell which snapshot a claim came from.