Onchain agents on Bitcoin

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

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

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

Official Alby MCP connecting Bitcoin Lightning wallets to agents via Nostr Wallet Connect.

MIT-licensed MCP toolset for Bitcoin SV: wallet operations, ordinals, and BSV blockchain utilities.

Official Rootstock MCP: wallets, RBTC/ERC-20 balances and transfers, tx status, and contract deployment.

Open-source MCP server for the LNbits Lightning accounts system: wallet balances, payments, and admin tools.

Official ChangeNOW remote MCP server: quote, create and track cross-chain crypto swaps. Non-custodial, no account.

Official Maestro Bitcoin MCP: indexer, mempool, price, and node RPC data via hosted mainnet/testnet endpoints.

Phantom's MCP server that lets AI agents view addresses, sign transactions, swap, and transfer tokens across Solana, Ethereum, Bitcoin, and Sui.

Cross-chain swap/settlement API solved by the NEAR Intents solver network; also an MPP payment method so agents pay 402s from any chain.

RPC infrastructure provider offering endpoints, Streams, and indexing tools across many blockchain networks.

A small mainnet service paid with x402 over Lightning (lnbtc): digits of pi for 100 sats, with an agent SKILL.md and a Rust client.

Lightning Labs toolkit giving LangChain agents Bitcoin/Lightning balance access and L402-authenticated API calls.

Crypto-to-gift-card and mobile top-up commerce platform with a Skills/MCP/API surface for agents to buy real-world goods with stablecoins.

Pay-per-call MCP for blockchain analytics — gas tracking, whale monitoring, wallet profiling — spanning Base, Bitcoin, and XRP Ledger.

Official MCP server from Subsquid (SQD) exposing its Portal API for querying onchain data across five chain families.

Hosted MCP server for on-chain whale tracking and forensics across BTC, ETH, SOL, USDT, and tokenized gold.

Pay-per-use MCP gateway aggregating Dune, DefiLlama, Zerion, CoinGecko, and Cielo for agent-facing crypto data.

Onchain market metrics (MVRV, exchange flows, supply distribution) sold per call over x402, no API key.

Open HTTP 402 payment protocol, now at the x402 Foundation: agents pay per request in stablecoins, and by a newly merged spec, in bitcoin over Lightning.

Lightning Labs reverse proxy that puts any HTTP or gRPC API behind L402: Lightning invoices plus macaroon credentials, answered with HTTP 402.

Multi-tenant x402 facilitator for Lightning built on Nostr Wallet Connect. Predates the merged lnbtc spec and still advertises bip122.

L402 payments platform and MCP server letting agents pay for API access with Bitcoin Lightning or stablecoins.

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.

Seedless MPC wallet whose vaults are programmable by agents through a TypeScript SDK, a CLI and an MCP server, across 36+ chains.

Open, local-first standard + CLI/SDK for agent wallets: encrypted keystore, policy checks before signing, scoped tokens instead of keys.

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

Lightning Labs' agent toolkit: 7 skills + MCP server to run an lnd node, pay L402 APIs (lnget), host paid endpoints (aperture), scope keys.

Framework for TEE-hosted agents that hold assets and sign on many chains via NEAR chain signatures, with guardrails in an agent contract.

MCP server from SlowMist exposing MistTrack address risk scoring and fund-flow tracing to AI agents.