MCP For Claude Marketplace
BlockCypher (Multi-chain Blockchain Developer API)

BlockCypher (Multi-chain Blockchain Developer API) MCP Connector for Claude

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Access multi-chain blockchain data for BTC, ETH, and more. Query blocks, addresses, and transactions or broadcast new ones directly through AI.

15 tools Official Updated Jun 28, 2026 Official Vinkius Partner
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Connect the BlockCypher multi-chain API to your AI agent to interact with major blockchains like Bitcoin, Ethereum, Litecoin, and Dogecoin through natural language.

What you can do

  • Chain Monitoring — Get real-time stats, block heights, and fee estimates for multiple blockchains and testnets
  • Address Auditing — Query balances and transaction histories for any public wallet address without manual block explorer searches
  • Block Inspection — Retrieve detailed block data by height or hash to analyze network activity
  • Wallet Generation — Programmatically generate new public/private keypairs and addresses for supported coins
  • Transaction Management — Create skeleton transactions, sign them, and broadcast them to the network directly from your agent
  • Real-time Webhooks — Set up notifications for events like unconfirmed transactions or new blocks

How it works

  1. Subscribe to this server
  2. Enter your BlockCypher API Token
  3. Start querying blockchain data from Claude, Cursor, or any MCP client

Who is this for?

  • Web3 Developers — quickly check transaction statuses or generate testnet addresses without leaving the IDE
  • Crypto Analysts — audit wallet balances and block data using natural language queries
  • Fintech Teams — automate blockchain monitoring and transaction broadcasting workflows
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15 tools expose this connector's capabilities to your AI agent.

fund_bcy_test_address

Fund an address on the BCY test chain

fund_beth_test_address

Fund an address on the BETH test chain

call_eth_contract_method

Requires token. Call an Ethereum contract method

create_eth_contract

Requires token. Create an Ethereum contract

create_webhook

Requires token. Create a WebHook for real-time notifications

generate_address

Requires token for POST. Generate a new address and keypair

get_address_balance

Get address balance only

get_address

Get address details and transaction references

get_block_by_hash

Get block details by hash

get_block_by_height

Get block details by height

get_blockchain

Get current state of a blockchain

get_transaction

Get transaction details by hash

new_transaction

Requires token for POST. Create a skeleton transaction for signing

send_transaction

Requires token for POST. Send a signed transaction to the network

get_token_info

Get information about an API token

See how to talk to your AI agent using BlockCypher (Multi-chain Blockchain Developer API).

Get the current status of the Bitcoin mainnet.

I've retrieved the Bitcoin mainnet status. The current height is 834,291 with a hash of 0000...a1b2. High priority fees are currently around 45 sat/vB.

Check the balance for BTC address 1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa.

The address has a total balance of 99.98 BTC with 0 unconfirmed transactions.

Generate a new address for the Dogecoin testnet.

I've generated a new Dogecoin testnet address. Public Address: n1...xyz, Private Key: [hidden]. Make sure to save your private key securely.

Yes! Use the `get_address_balance` tool. It provides a lightweight response containing only the balance and basic metadata for the specified coin and chain.

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