Paid MCP Servers & Monetized Tools

Daydreams is a set of tools for building agents for commerce

The first agentic payment network: policy-controlled, gasless, and real money-ready. OmniClaw CLI + Financial Policy Engine let autonomous agents pay and earn safely at machine speed.

Agent behavior that compiles

The A2A x402 Extension brings cryptocurrency payments to the Agent-to-Agent (A2A) protocol, enabling agents to monetize their services through on-chain payments. This extension revives the spirit of HTTP 402 "Payment Required" for the decentralized agent ecosystem.

Live data for AI agents — search, research, markets, crypto, X/Twitter. Pay-per-call via x402 micropayments.

A curated collection of open source fintech libraries and resources.

🚀 Curated list of x402 resources: HTTP 402 Payment Required protocol for blockchain payments, crypto micropayments, AI agents, API monetization. Includes SDKs (TypeScript, Python, Rust), examples, facilitators (Coinbase, Cloudflare), MCP integration, tutorials. Accept USDC payments with one line of code. Perfect for AI agent economy.

Open-source MCP servers for Latin American commerce — Pix, NF-e, banking, fiscal, logistics, and messaging across Brazil, Mexico, Argentina, Colombia, Chile, and Peru. MIT, on npm.

Lucid Agents Commerce SDK. Bootstrap AI agents in 60 seconds that can pay, sell, and participate in agentic commerce supply chains. Our protocol agnostic SDK provides CLI-generated templates and drop-in adapters for Hono, Express, Next.js, and TanStack, giving you instant access to crypto/fiat payment rails (AP2, A2A, x402, ERC8004).

An operating system built for AI agents — talk to your NixOS server instead of SSH-ing in. Typed, audited tool access with atomic rollback on every change. Research-grade; run it on a disposable box, not production.

Client SDK, Claude plugin and skill framework for the Pinion protocol. x402 micropayments on Base.

Open-source Infrastructure for MCP and x402

Open-source 3D AI agent framework — GLB/glTF avatars with LLM brains, memory, emotions, and autonomous payments. MCP server · x402 · Solana/EVM · Three.js. Embed anywhere as a web component. Character studio, animation gallery, OAuth 2.1. Browser-native.

Next.js-like framework building AI Agents that are payment-native. Bootstrap your agent with A2A, MCP, x402 payments, and ERC-8004 identity.

The way AI coordinates and transacts. Routing and settlement layer for your agent economy.

Give any AI agent a crypto wallet. Agents deserve access to money. Pay x402 APIs, receive USDC, check balances — autonomously. Works with Claude, LangChain, AutoGen, CrewAI, and any MCP client. EVM + Solana.

The brutally honest map of where AI-agent money actually flows. 51 rounds, 137 angles, 230+ platforms. 3 self-hosted x402 v2 endpoints + 3 tools in the official MCP Registry. 385K star distribution.

npx CLI that scaffolds blockchain-registered AI agents with on-chain identity (ERC-8004), A2A communication, MCP tool serving, and optional USDC micropayments across EVM and Solana.

The best way to monetize AI applications & MCP, using x402, CDP Smart Wallets & Paymaster

Autonomous AI Agent Swarm framework with x402 self-executing wallets. Empowers LLM-driven agents to trade, bridge, and manage crypto treasuries without human intervention. The ultimate Agentic DeFi toolkit for 2026.

Autonomous AI Agent Swarm framework with x402 self-executing wallets. Empowers LLM-driven agents to trade, bridge, and manage crypto treasuries without human intervention. The ultimate Agentic DeFi toolkit for 2026.

The first SOL to BTC MCP Server for AI agents powered by x402 - Building in public everyday on livestream

Autonomous AI Agent Swarm framework with x402 self-executing wallets. Empowers LLM-driven agents to trade, bridge, and manage crypto treasuries without human intervention. The ultimate Agentic DeFi toolkit for 2026.

Autonomous AI Agent Swarm framework with x402 self-executing wallets. Empowers LLM-driven agents to trade, bridge, and manage crypto treasuries without human intervention. The ultimate Agentic DeFi toolkit for 2026.

The Cloud-Native MCP and X402 Gateway to Run and Monetize your AI Agents and Services, as well as optimize your AI costs

Autonomous AI Agent Swarm framework with x402 self-executing wallets. Empowers LLM-driven agents to trade, bridge, and manage crypto treasuries without human intervention. The ultimate Agentic DeFi toolkit for 2026.

Vaaya MCP server — pay-per-call agent superpowers: media & video generation, product demo videos, web search & scraping, deep/market research, GTM & sales enrichment, code sandboxes, browser automation, email, memory. No API keys.

Autonomous AI Agent Swarm framework with x402 self-executing wallets. Empowers LLM-driven agents to trade, bridge, and manage crypto treasuries without human intervention. The ultimate Agentic DeFi toolkit for 2026.

Autonomous AI Agent Swarm framework with x402 self-executing wallets. Empowers LLM-driven agents to trade, bridge, and manage crypto treasuries without human intervention. The ultimate Agentic DeFi toolkit for 2026.

Agentic finance infrastructure.

Turn any API or MCP server into a paid service with x402

Tooling for building applications with x402 payment capabilities. Supports buyer and seller roles.

Public adapters and discovery catalog for Triptych OS (Agent OS): agent frameworks, MCP/A2A/x402 protocols, workflows, wallets, SDKs, and examples for execute-first routing, governed handoffs, and receipt-aware agent commerce.

An open standard for push-based, verifiable communication between digital entities and agents that follow them.

MCP server for Run402 — AI-native Postgres + REST + auth + storage + static sites. Pay with x402 USDC on Base. No signups.

540 security tests for AI agent systems — MCP, A2A, x402/L402, decision governance, benchmark integrity, skill supply chain. AIUC-1 pre-cert, NIST AI 800-2 aligned, MCP tool-poisoning reproduction. v4.9.1

Give AI agents access to money 💰1,100+ MCP tools — swap, bridge, stake, lend, trade, and deploy across most blockchains. The open MCP gateway where AI meets DeFi. Trade crypto, swap across DEXs, bridge chains, stake tokens, lend, track whales, read market news, analyze smart contracts, pay other agents autonomously via x402.

MCP server and plugin for Sperax Protocol – USDs, SPA, veSPA & Demeter on Arbitrum and BNB Chain. Listed on Anthropic's official MCP Registry.

Virtual MasterCards for AI agents - pay with USDC via x402 on Stellar

Developer integration tools for adding TDM payments to AI agents, apps, and workflows. CLI, MCP server, and copy-paste examples

Developer integration tools for adding TDM payments to AI agents, apps, and workflows. CLI, MCP server, and copy-paste examples

Portable signed records for automated interactions.

Remlo — Borderless payroll and agent-payment infrastructure. Tempo MPP + Solana/Base x402, Bridge fiat rails, ERC-8004/SAS reputation.

154 Web3 MCP tools for Claude Code, custody-free. Plus an agent wallet prompt injection can't drain: per-tx, daily, and on-chain (ERC-4337) spending caps the model can't bypass. EVM + Solana + Tron DEX/DeFi, perps, prediction markets, contract deploy + audit.

x402 payment protocol enabling AI agents to autonomously pay for APIs on Arbitrum. Features Sperax USDs stablecoin with auto-yield, payment channels for streaming micropayments, on-chain subscriptions, and a tool registry marketplace. Includes TypeScript SDK, Express middleware, and upgradeable smart contracts.

Off-chain credit ledger + hire marketplace for AI agents. Ed25519-signed envelopes, atomic settlement, hire-and-release escrow. https://voidly.ai/pay

Open-source wallet infrastructure for AI agents. Earn, spend, and trade USDC on Solana with human oversight and FROST threshold signing.

Send Nano currency from AI agents/LLMs

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

MCP for x402: a passkey wallet and a payment surface that work from inside a chat.

SOLx402 MCP Server is a Model Context Protocol (MCP) server that enables AI assistants to interact with the x402 payment protocol on Solana.

curl for x402 and MPP paid APIs. CLI + MCP proxy that auto-pays any endpoint on Base, Solana, and Tempo. Zero crypto code on the buyer side.

Tael is a payment layer that enables autonomous AI agents to securely pay for APIs, MCP tools, data, and digital services using USDC on Stellar.

A wallet for your agents to onboard and pay. Agentic MPP / x402 payments from your machine - CLI + MCP server.

MCP server for Rail402. Browse, discover, and call paid APIs from Claude, Cursor, and Base MCP — payments handled autonomously via x402 on Base.

A neutral landscape analysis of AI agent payment protocols (x402, MPP, L402, Google AP2, Visa TAP + ICC, Mastercard Agent Pay, Amex ACE, Google/Shopify UCP, OpenAI ACP, and others). Maintained by Genesis Software Group, Copenhagen. Updated April 2026. CC BY 4.0.

Agent-first Remote MCP for X (Twitter) batch crawling with x402 USDC top-up (Base/Solana). Includes OpenAPI + copy-paste ADK/curl E2E examples.

MCP server for Bloomfilter, a domain registration service for AI Agents.

Zero latency! Zero code change! Empower your AI agent with payment ability via x402 protocol! (Openclaw, Claude code, Cursor, Langchain, CrewAI, AutoGen...)

MCP Server for Lightning Faucet - Give your AI agent a Bitcoin wallet

Universal MCP gateway for AI agents — 1108 tools, 307 providers. One endpoint (https://apibase.pro/mcp), pay-per-call with x402 USDC on Base + MPP USDC on Tempo.

A protocol and node for a bot economy — bots create, publish, discover, buy, sell, and compose remote resources for value.

Permission layer for AI agents — wallet signing, vault access, budgets, and human approvals.

ARCHIVED (read-only). Canonical source moved to github.com/mapleleaflatte03/meridian

x402 (HTTP 402 Payment Required) SDK + MCP server: let any API charge for itself and any AI agent pay for itself, USDC & stablecoins across EVM, Solana & 8 more chain families, in a couple of lines. Backendless, no fee, self-custodial, paid straight to your wallet. TypeScript, MIT.

Open-source Solana AI agent protocol for escrow payments, reputation, disputes, and autonomous service coordination.

A curated list of protocols and standards for AI agents — MCP, A2A, ACP, AG-UI, AP2, x402, and 50+ more, organized by stack layer

The open authority layer + SDKs for AI-agent payments. Thin Python/TS clients, an MCP server, framework adapters (LangChain/CrewAI/Hermes/OpenClaw/…), and @sardis/reference — a pure policy simulator + AP2/TAP/x402 verifiers showing exactly how Sardis decides if an agent may spend. The hosted engine that moves money is private.

63 deterministic quant computation tools for autonomous financial agents. Options, derivatives, risk, portfolio, statistics, crypto/DeFi, macro/FX, TVM. 1,000 free calls/day — no signup.

Open-source Solana AI agent protocol for escrow payments, reputation, disputes, and autonomous service coordination.

MCP server to purchase VPS and blockchain nodes on EasyNode with USDC via x402 payments

🏆 Hackathon: Transform any AI agent into a payment-enabled agent using x402 + CDP. MCP server for instant crypto tipping with automatic disbursement.

Create and register ERC-8004 trustless AI agents on any EVM chain — Ethereum, BNB Chain, Base, Arbitrum, Optimism, Polygon, and more. Zero-dependency standalone UI for on-chain agent identity registration, reputation, and validation. Mint ERC-721 NFT agent identities with metadata, service endpoints, A2A/MCP discovery, and x402 payment support.

MCP server (+ OpenClaw SKILL.md) that gives AI agents access to real-world people who listed themselves to be hired by agents. Search by skill/location/equipment, Post job offers & jobboard listings. Free tier / Pro subscription / x402 pay-per-use. Payments default to crypto (USDC) + other crypto + fiat supported.

Open-source Solana AI agent protocol for escrow payments, reputation, disputes, and autonomous service coordination.

MCP server that turns Claude into a Fantasy Premier League analyst. 11 tools: captain picks, transfer suggestions, player comparison, hit calculator, chip strategy, differentials, fixtures, price predictions, live points, squad scout. pip install fpl-intelligence

500+ pay-per-call web tools + skill packs for AI agents — every one tested, priced, and settled on-chain. Paid in USDC over x402 on 8 chains, or free via proof-of-work on the pure-CPU tools. Self-hostable, MCP-native, deterministic. Plus the open x402 index (Find / Route / Leaderboard).

APIMesh — 23 pay-per-call web analysis APIs + 16-tool MCP server with autonomous API generation. Security audits, SEO, tech stack detection. x402 + Stripe MPP payments.

Safe bridge between AI agents and Web3 transactions. Open-source React kit + protocol with anti-phishing UI patterns built in.

Turn any API or MCP server into a paid service

Trust & reputation layer for AI agents. Agent Credit Score (300-850) + Merkle-anchored ledger + behavioral finance + EWMA anomaly detection. Memory + payments + identity + fraud in one SDK. npm i @mnemopay/sdk

x402 payment protocol transport for MCP-Go clients and servers

Give your AI agents a fetch() that pays. Multi-protocol, multi-chain, open source.

A toolkit for building micropayment-gated MCP servers

Express middleware for payment-gated MCP servers — multi-network X402 support with automatic routing, simulation, and JSON-RPC 402 compliance.

APIMesh — 23 pay-per-call web analysis APIs + 16-tool MCP server with autonomous API generation. Security audits, SEO, tech stack detection. x402 + Stripe MPP payments.

🏆 Open-source multi-factor stock scoring API (0-100) | US/HK/A-Share 74 stocks | Zero signup | shields.io badges | GitHub Action | EU AI Act compliant

Give AI agents a wallet — x402 payment tools over Model Context Protocol.

Collateral that can still sell itself — Magpie's x402 agent API: borrow SOL programmatically on Solana.

Image analysis and visual understanding tools for AI agents — describe, detect, extract from any image.

Fundraising infrastructure for AI agents on Solana — x402 payments, milestone escrow, on-chain reputation. REST + WebSocket + MCP + ACP.

AI trading brain for crypto perps — composite signals, funding rate arb scanning, and market regime detection via MCP

⚡ 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.

Static security scanner for MCP servers, agent skills & plugins (68 patterns). In the official MCP Registry: io.github.eltociear/skill-audit-mcp. Also a pay-per-call x402 API.

Payment infrastructure for AI agents. Reference implementation: x402 + MPP + fiat.

MCP server for ERC-8004 agent discovery + x402 payment. No smart account, no relay — just EOA signing. Works with Claude Code, OpenClaw, Cursor, Cline.

Trustless Agent protocol on Base. ERC-8004 identity, x402 micropayments, MCP-native, AgentKit + CDP wallets, EIP-7702, ERC-4337, ERC-4626 vault, EAS attestations, zkML-verifiable inference. Open-source MIT, real yield, fee switch live.

Autonomous AI agent that pays for its own LLM inference via BSV micropayments. Every action becomes an on-chain proof. Single binary. No API keys.

The commerce layer for the x402 agent economy — micropayments for AI agents on Base and Solana

A bank account for AI agents. Give your AI agent its own wallet with spending controls — no credit card required. Built with Claude Code for the Cerebral Valley 'Built with Opus 4.6' hackathon.