# OneSource

> Use this tool when you need to access and manage blockchain data across multiple networks, including Ethereum, Base, Optimism, Arbitrum, and Avalanche. OneSource provides a unified interface to 31 tools, solving problems related to live chain operations, chain utilities, and documentation search. It accepts various inputs, such as wallet addresses and contract IDs, and outputs data like token balances, transaction logs, and NFT metadata.

Canonical page: https://skillsregistry.net/skills/onesource  
JSON: https://api.skillsregistry.net/v1/skills/onesource

## Description

Unified interface to OneSource blockchain data platform. Provides 31 tools across live chain operations (token balances, transfer logs, NFT metadata, transactions), chain utilities (gas estimation, ENS resolution, contract inspection), and documentation search. Supports Ethereum, Base, Optimism, Arbitrum, and Avalanche networks.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-04-25

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/onesource)
- **Repository:** <https://github.com/blockparty-global/1s-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "onesource"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/onesource` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/onesource/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt