# Chains API

> Use this tool when you need to access and query blockchain chain data, enabling AI assistants to retrieve chain details, RPC endpoints, and chain relationships. It solves problems related to blockchain data retrieval and integration, providing a seamless interface through a Model Context Protocol server. This tool is ideal for use cases requiring real-time blockchain data access, such as cryptocurrency trading, blockchain analytics, and decentralized application development.

Canonical page: https://skillsregistry.net/skills/johnaverse-chains-api  
JSON: https://api.skillsregistry.net/v1/skills/johnaverse-chains-api

## Description

Enables AI assistants to query blockchain chain data, including chain details, RPC endpoints, and chain relationships, through a Model Context Protocol server.

## Trust

- **Trust score (0–1):** 0.68
- **Verification tier:** scanned
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/kwi21a8xgv)
- **Repository:** <https://github.com/Johnaverse/chains-api>

## 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": "johnaverse-chains-api"
    }
  }
}
```

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

---
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