bankless/onchain-mcp

Overview

An MCP server that wraps the Bankless Onchain API, enabling AI agents to query blockchain data through the Model Context Protocol. It is written in TypeScript and provides tools for retrieving on-chain information such as balances, transactions, and token data.

Best for

Best for
Developers building AI agents that need straightforward access to onchain data via MCP

Use cases

• Query wallet balances and transaction histories for AI-driven portfolio analysis
• Fetch token prices and metadata to power conversational financial assistants
• Integrate onchain data into agent workflows for automated DeFi monitoring

How to use

Install

npx @bankless/onchain-mcp

Tools exposed

• contract
• addresses
• optionalTopics
• arguments
• read_contract
• get_proxy
• get_events
• build_event_topic

Notes

An MCP server that wraps the Bankless Onchain API, enabling AI agents to query blockchain data through the Model Context Protocol. It is written in TypeScript and provides tools for retrieving on-chain information such as balances, transactions, and token data.

79 stars on GitHub. Last updated 2026-05-05.

Use cases

• Query wallet balances and transaction histories for AI-driven portfolio analysis
• Fetch token prices and metadata to power conversational financial assistants
• Integrate onchain data into agent workflows for automated DeFi monitoring

Pros

• Open source and built in TypeScript, making it easy to extend and contribute to
• Leverages the MCP standard, allowing seamless integration with MCP-compatible AI frameworks
• Provides direct access to the Bankless Onchain API without building custom connectors

Cons

• Dependent on the Bankless Onchain API, which may have rate limits or require an API key
• Relatively small community (79 stars) which may mean slower updates and fewer examples
• Limited to the data and endpoints exposed by the Bankless API, not a general-purpose blockchain indexer

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.