AI agent tools for blockchain
Short answer: Our top pick for blockchain: sphere-sdk, with the highest AgentPick Score (76/100) among tools tagged "blockchain". Runners-up: intentkit (65) and attestix (65). Compare what each does, its license and how recently it was updated below.
| # | Tool | What it does | Score | Stars | License | Updated |
|---|---|---|---|---|---|---|
| #1 | sphere-sdk | The SDK for autonomous economic agents. Give an agent an identity, a wallet, and the ability to find, negotiate with, and settle with other agents - p… | 76/100 | ★ 5.4k | MIT | 14 Oct 2026 |
| #2 | intentkit | IntentKit is an open-source, self-hosted cloud agent cluster that manages a collaborative team of AI agents for you. | 65/100 | ★ 6.5k | MIT | 16 Sept 2026 |
| #3 | attestix | AI agent identity, signed credentials, delegated authority and portable governance evidence. Python core and offline verifier SDKs. | 65/100 | ★ 874 | Apache-2.0 | 12 Oct 2026 |
| #4 | Paxeer-X-Network | Paxeer X is a Distributed HyperState Machine for payments, code execution and intent routing. Designed for Machines and the Users operating them. | 64/100 | ★ 571 | Apache-2.0 | 14 Oct 2026 |
| #5 | polymarket-mcp-server | 🤖 AI-Powered MCP Server for Polymarket - Enable Claude to trade prediction markets with 45 tools, real-time monitoring, and enterprise-grade safety f… | 45/100 | ★ 693 | MIT | 20 Sept 2026 |
| #6 | helix | Self-healing infrastructure for AI agent payments. 90.3% auto-recovery. | 37/100 | ★ 818 | MIT | 9 Jun 2026 |
| #7 | datahaven | An EVM compatible Substrate chain, powered by StorageHub and secured by EigenLayer | 36/100 | ★ 7.9k | GPL-3.0 | 17 Apr 2026 |
| #8 | evm-mcp-server | MCP server that provides LLMs with tools for interacting with EVM networks | 35/100 | ★ 378 | MIT | 3 Oct 2026 |
| #9 | AgentLens | Agentlens is a trusted agent trading platform. Here, you can quickly find the Agent that meets your needs, and you can also publish your own Agent to … | 31/100 | ★ 1k | AGPL-3.0 | 24 Aug 2026 |
| #10 | swapper-toolkit | DeFi toolkit for AI agents and coding assistants — deposit funds, execute trades, and manage crypto wallets. Works with Claude Code, Cursor, Windsurf,… | 22/100 | ★ 852 | MIT | 7 Apr 2026 |
| #11 | foundry-mcp-server | An experimental MCP Server for foundry built for Solidity devs | 16/100 | ★ 253 | MIT | 17 Jan 2026 |
Source: each project's public GitHub repository (description, stars, license, last push). Listed tools aren't tested or ranked by AgentPick.
How to choose
- Read the license before using it commercially.
- Check how recently it was updated and how active its issues are.
- Run it on a small, low-risk task first.
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