How do I install Onchain Agent Wallets?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is Onchain Agent Wallets official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 55 (Fair). The formula is published on the methodology page.

MCPpedia

Onchain Agent Wallets MCP Server | MCPpedia

Onchain Agent Wallets MCP Server

Name: Onchain Agent Wallets MCP Server
Author: nirholas

Give an AI agent a Solana spending allowance instead of your key. Chain-enforced cap, x402.

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Registrynirholas

55Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "nirholas-onchain-agent-wallets": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/onchain-agent-wallets@0.1.1"
      ],
      "env": {
        "OWNER_SECRET_KEY": "YOUR_OWNER_SECRET_KEY",
        "OAW_NETWORK": "mainnet",
        "SOLANA_RPC_URL": "",
        "OAW_STATE_DIR": "",
        "REQUIRE_CONFIRM": "true"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
OWNER_SECRET_KEY	No	Owner secret key, base58 or a JSON byte array. Optional: without it every owner action is returned as an unsigned transaction for Phantom, Solflare, Backpack, or a Ledger to sign. Secret.
OAW_NETWORK	No	Cluster: mainnet or devnet. Defaults to mainnet. State is kept per network, so a devnet rehearsal never touches mainnet agents.
SOLANA_RPC_URL	No	HTTPS Solana RPC endpoint. Defaults to the public endpoint for the configured network; bring your own (Helius / Quicknode / Triton) for production.
OAW_STATE_DIR	No	Where agent keypairs, guardrails, and the spend ledger are stored. Defaults to ~/.onchain-agent-wallets, written 0600 inside a 0700 directory.
REQUIRE_CONFIRM	No	Refuse to broadcast anything that moves value until the call is re-issued with confirm:true. Default true.

Onchain Agent Wallets MCP Server

Install

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