{"id":"bankless-onchain-mcp","name":"Bankless Onchain","af_score":71.0,"security_score":70.0,"reliability_score":46.2,"what_it_does":"MCP server that provides access to blockchain data and smart contract interactions via the Bankless Onchain API. Enables AI agents to read contract state, retrieve contract source code and ABIs, query event logs, and fetch transaction history across multiple EVM networks.","best_when":"You need an AI agent to programmatically analyze smart contracts, look up on-chain data, and understand contract behavior without manual API calls.","avoid_when":"You need transaction writing capabilities, complex real-time data subscriptions, or support for non-EVM networks.","last_evaluated":"2026-04-04T22:16:00.812254+00:00","has_mcp":true,"has_api":false,"auth_methods":["API token"],"has_free_tier":true,"known_gotchas":["Error recovery strategy not documented — agents should implement exponential backoff for rate limits","Proxy contract handling requires multi-step logic (get_proxy → follow implementation), adding complexity to agent workflows","Rate limit handling relies on Bankless API backend; no client-side rate limit headers mentioned","Event topic building requires correct ABI understanding; mismatch between event signature and arguments will silently fail"],"error_quality":null}