# worldbook

> worldbook — femto-worldbook. Use this tool when you need to access and manage a vast repository of world knowledge to inform AI decision-making and generate human-like responses. It solves problems related to information retrieval, data consistency, and knowledge updates, supporting various use cases such as conversational AI, language translation, and content generation. The worldbook CLI tool accepts natural language queries as input and returns relevant information and insights as output.

Canonical page: https://skillsregistry.net/skills/femto-worldbook  
JSON: https://api.skillsregistry.net/v1/skills/femto-worldbook

## Description

AI's Knowledge Base CLI - Query and manage world knowledge for AI agents.

## Trust

- **Trust score (0–1):** 0.65
- **Verification tier:** scanned
- **Last scanned:** 2026-05-22

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** instructions
- **Runtime environment:** llm
- **Category:** ai-ml
- **Updated:** 2026-09-13

## Source

- **Source listing:** [ClawHub](https://clawskills.sh/skills/femto-worldbook)

## 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": "femto-worldbook"
    }
  }
}
```

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