# Hardcover

> Use this tool when you need to access book metadata, user reading lists, or series information through a secure and rate-limited GraphQL API. It solves problems related to data access and management for books, users, and series, providing a organized interface with tools namespaced under these categories. Ideal for use cases requiring read-only data queries with safeguards against excessive API usage.

Canonical page: https://skillsregistry.net/skills/alexsowt-hardcover  
JSON: https://api.skillsregistry.net/v1/skills/alexsowt-hardcover

## Description

Provides read-only access to the Hardcover.app GraphQL API through MCP. Organizes data access with tools namespaced under books, users, and series, enabling queries for book metadata, user reading lists, and series information. Includes rate limiting safeguards and comprehensive documentation for safe API usage.

## Trust

- **Trust score (0–1):** 0.97
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** file-system
- **Updated:** 2026-09-28

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/alexsowt-hardcover)
- **Repository:** <https://github.com/alexsowt/hardcover-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": "alexsowt-hardcover"
    }
  }
}
```

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