# OneSource MCP

> Use this tool when you need to access and manage blockchain data, perform live chain queries, or utilize API documentation for development purposes. OneSource MCP provides 31 tools to streamline these tasks, solving problems related to data retrieval, query execution, and API integration. It accepts various inputs, such as query requests and API calls, and outputs relevant data, documentation, and query results.

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

## Description

31 tools for blockchain data, live chain queries, and API documentation

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** unverified

## Facts

- **Version:** 1.7.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-04-17

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.onesource%2Fmcp)
- **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": "io-onesource-mcp"
    }
  }
}
```

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