# substrate-metadata-mcp

> substrate-metadata-mcp — apastushenka-substrate-metadata-mcp. Use this tool when you need to index and query a Substrate runtime's metadata, such as pallets and runtime APIs, without modifying the chain state. It provides a read-only interface to list, search, and read calls, storage, events, errors, constants, view functions, and API methods. Ideal for development and debugging use cases where metadata inspection is required, such as building blockchain applications or troubleshooting runtime issues.

Canonical page: https://skillsregistry.net/skills/apastushenka-substrate-metadata-mcp  
JSON: https://api.skillsregistry.net/v1/skills/apastushenka-substrate-metadata-mcp

## Description

Read-only MCP server that indexes a Substrate runtime's metadata: pallets and runtime APIs. Lists, searches and reads calls, storage, events, errors, constants, view functions and API methods, without touching chain state.

## Trust

- **Trust score (0–1):** 0.95
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** Apache-2.0
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/apastushenka/substrate-metadata-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": "apastushenka-substrate-metadata-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/apastushenka-substrate-metadata-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/apastushenka-substrate-metadata-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