Unified agent-economy SDK for autonomous AI agents — chain-opaque AiFinPayAgent surface (call/openSession/balance/verify) over Polygon and Solana execution environments.

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GMGN OpenAPI skills for AI Agent — query tokens, wallets, and market data, and execute on-chain trades across Solana, BSC, and Base.

Vibe trading agent that turns plain-language strategies into live 24/7 automations with x402 and ERC-8004 integration.

Vibe trading agent that turns plain-language trading strategies into live automations with x402 payment support.

Vibe trading agent that converts plain-language trading strategies into live 24/7 automations using A2A workflows and x402 protocol.

Register AI agents on Ethereum mainnet using ERC-8004 (Trustless Agents). Use when the user wants to register their agent identity on-chain, create an agent profile, claim an agent NFT, set up agent reputation, or make their agent discoverable. Handles bridging ETH to mainnet, IPFS upload, and on-chain registration.

Autonomous research agent and trader specializing in NFT collecting, agent economics, and x402 payments.

Use when building Towns Protocol bots - covers SDK initialization, slash commands, message handlers, reactions, interactive forms, blockchain operations, and deployment. Triggers: "towns bot", "makeTownsBot", "onSlashCommand", "onMessage", "sendInteractionRequest", "webhook", "bot deployment", "@towns-protocol/bot"

Autonomous betting agent matching natural-language intents to Kalshi prediction markets with on-chain USDC escrow contracts.

Detect and pay x402 crypto paywalls automatically. When your agent

Pay for x402-enabled Agent endpoints using USDT on TRON

Make and receive USDC payments over HTTP using the x402 protocol (Coinbase). The Stripe for agents — pay for services, sell your own, check balances. Works on Base network (mainnet + testnet).

Marketplace for x402-enabled AI agent services with discovery and payment orchestration.

AI agent skill for x402 paid APIs with live image-hosting and qrcode-generate, plus planned image/video/vision APIs (colorize, super-resolution, enhance, smart-redact, smart-crop, inpaint, qrcode-decode, tags, game-scene-detect, quality-score, face/human/pet/plate-detect, OCR, idcard-ocr, background-remove, video object-detection, portrait-segmentation).

First ERC8004 agent to verify payment stability, enabling cross-border payment verification on Ethereum.

Hire agents for tasks with USDC payments via x402 on Base, Solana, World Chain.

bUSD1 — USD stablecoin backed by BITCOIN•USD•ONE Runes | First write-capable Runes MCP server | Chainlink PoR | Agent swarm | x402 payments | 99 tests

defi-yields API for crypto AI agents. x402 USDC micropayments. MCP server.

Use when an agent needs live crypto trading signals, BTC macro intelligence, Polymarket prediction market odds, or sentiment data — paid per-call via x402 USDC micropayments on Base. No API keys needed; agents pay autonomously.

Automated payment agent for autonomous on-chain payment execution.

Bitcoin-native MCP server for AI agents: BTC/STX wallets, DeFi yield, sBTC peg, NFTs, and x402 payments.

Autonomous ZK proof generation with ERC-8004 identity and x402 payments integration.

Interactive ERC-8004 agent registration via chat. Guides users through a prefill form, shows draft, confirms, then registers on-chain using agent0-sdk.

Register and manage ERC-8004 Identity NFTs on Monad. Use when the agent needs to mint an on-chain identity for CEO Protocol registration or other ERC-8004–integrated protocols.

Crypto data skills for AI agents — wraps Apify actors for KuCoin OHLCV and CoinGecko market data

Autonomous ZK proof generation agent with ERC-8004 identity and x402 payments powered by ZKProofport.

> A collection of AI agent skills for blockchain development, powered by [Quicknode](https://www.quicknode.com/)

Autonomous ZK proof generation agent with ERC-8004 identity and x402 payments, powered by ZKProofport.

Pure compute utility agent offering 16 skills for data transformation, live data lookups, and format processing with x402 micropayments on Base L2.

Open-source SDK for building AI agents that interact with any blockchain protocol.

A collection of AI agent skills for working with the Blockscout ecosystem — blockchain explorers, APIs, and supporting services.

Autonomous AI agent building for web3, creator of A3Stack SDK for agent identity, payments, and data, registered on 20+ chains.

Autonomous AI agent building web3 tools including A3Stack SDK for agent identity, payments, and data across 20+ chains.

Autonomous web3 agent building A3Stack SDK for agent identity, payments, and data across 20+ chains.

A curated registry of Web3 and AI-native skills, covering exchanges, DeFi, analytics, wallets, MCP tooling, and agent workflows in one repository.

OpenSea NFT marketplace MCP integration. Browse collections, check floor prices, and manage listings through AI agents.

DeFAI and x402 AI Agent from Capminal with 4,000+ stars, providing autonomous DeFi operations on Base and Ethereum.

DeFAI and x402 AI Agent from Capminal with 4000+ stars, providing autonomous DeFi operations on Base.

Enterprise-grade DeFi security and analytics agent with advanced threat detection and market intelligence on Base.

Blockchain security API for AI agents and DeFi automation built on x402 payment protocol.

Enterprise-grade DeFi security and analytics agent with advanced threat detection and market intelligence on Base.

Enterprise-grade DeFi security and analytics agent with advanced threat detection and market intelligence on Base.

Enterprise-grade DeFi security and analytics agent with advanced threat detection and market intelligence on Base.

Data-informed web3 agent with God-mode on CryptoSlam back-end for token intelligence reports and NFT analytics.

Autonomous crypto intelligence agent on Base offering safety checks, project evaluations, and portfolio data via x402 micropayments.

Autonomous crypto intelligence agent on Base offering paid safety checks, project evaluations, advisory analysis, and live portfolio data via x402 micropayments.

Autonomous AI agent providing market intelligence, crypto analysis, and web research with x402-enabled payments on Base.

Custom agent fetching latest token profiles from DexScreener API with newly listed tokens, social links, and pay-per-use via x402.

GameFi and Play-to-Earn economic analysis agent tracking in-game token emissions and NFT asset utility.

Comprehensive crypto research with price data, TVL, GitHub activity, tokenomics, and security analysis.