"OpenTimestamps - Bitcoin-based timestamping protocol" matching MCP servers:

A Model Context Protocol (MCP) server that enables AI models to timestamp files and verify proofs on the Bitcoin blockchain using OpenTimeStamps.

Enables AI applications to interact with the Bitcoin Network, manage wallets, check balances, convert prices, and send transactions.

Enables read-only Bitcoin blockchain queries and HD wallet derivation from xpub/seed, including balances, UTXOs, transactions, fees, mempool stats, and PSBT inspection via multiple backends with optional Tor routing.

MCP server for Mercado Bitcoin exchange that provides 31 tools for consulting prices, managing accounts, trading cryptocurrencies, and handling wallet operations via natural language.

Enables agents to discover, understand, and plan native Bitcoin staking on Stacks through a read-only interface combining live PoX state, bond manifests, yield scenarios, security guidance, and compatibility checks. It includes a goal-first concierge workflow and explicitly separates live, published, derived, and demo data.

Provides live Bitcoin network data (fees, mempool, hashrate) and AI-powered price/fee forecasts via MCP tools, with free access to basic data and pay-per-call for advanced features.

Enables interaction with Bitcoin's blockchain through Claude to embed and read data using OP_RETURN, create timestamps, deploy BRC-20 tokens, and store documents up to 100KB on-chain.

Enables Bitcoin blockchain data retrieval and analysis through free APIs, including transaction, address, market data, and network metrics.

MCP server for interacting with Bitcoin Agents on Stacks blockchain. Bitcoin Agents are Tamagotchi-style AI companions that live on-chain.

Provides Bitcoin and Stacks wallet operations including sending, receiving, balance checks, and transaction management via MCP tools.

MCP/REST endpoints for token safety scans, honeypot checks, ecosystem stats, and on-chain task rewards.

Exposes tools for AI agents to access honest economic data, including purchasing power comparisons, M2 vs CPI divergence, Bitcoin vs dollar performance, and current monetary stats.

Enables cross-chain bridging, multi-chain token swaps, and real-time pricing across over 50 blockchain networks using the Relay Protocol REST API. It allows users to browse thousands of tokens, generate quotes, and monitor transaction status directly through natural language.

Connects MCP-compatible AI agents to GT Protocol trading accounts, enabling natural language control of automated trading bots, strategy backtesting, deal execution, and balance monitoring on Binance and Hyperliquid exchanges.

Enables AI agents to explore Bitcoin Stamps data—stamps, SRC-20 tokens, SRC-101 names, collections, dispensers, and wallet balances—via 24 read-only tools over the stampchain.io API, with no keys or wallet access.

Provides real Bitcoin full node data via 17 tools, with pay-per-call in USDC on Base mainnet. Free tools include blockchain info, fees, and mempool; paid tools enable transaction tracking, address analysis, and more.

Typed MCP gateway for Cork Protocol operations, enabling secure and deterministic interaction with operation core and signing gate.

Provides Claude AI with real-time access to Bitcoin price data, including current price in USD, 24-hour change percentage, and market cap information.

Enables Bitcoin Lightning wallet integration with LLMs through Nostr Wallet Connect (NWC). Supports lightning payments, LNURL operations, and L402 authentication for AI-powered bitcoin transactions.

Enables interaction with CoW Protocol's order book API, allowing token resolution, quote retrieval, and order management across multiple networks through natural language.