1S

🔴Dangerous

43 tools for live blockchain queries across Ethereum, Sepolia, and Avalanche — including token balances, NFT metadata, event logs, contract detection, ENS resolution, and GraphQL API documentation.

STEP 1

Understand what it does

Tell your agent things like:

→“use s”

→“use this tool”

PERMISSIONS

What this capability can access

This capability requires the following permissions:

This capability has elevated permissions including System Administration. Review the permissions below carefully before granting access to your agent.

⚙️

System Administration

Modifies system configuration or infrastructure

STEP 2

Set it up

Available on 1 platform. Pick yours:

MCP (Model Context Protocol)Docs

Add to your MCP client configuration:

{
  "mcpServers": {
    "1s": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-1s"]
    }
  }
}

STEP 3

Go deeper

Full documentation and source code

View Source / Docs Explore

Add to your README

Show that your tool is listed on AgentSift

[![AgentSift](https://agentsift.com/api/badge/capability/1s)](https://agentsift.com/capabilities/1s)

Options: ?style=flat-square for square corners, ?score=false for simple “listed” badge

#other#mcp#agent-tool

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