Home/Tools/@tpmjs/tools-toc-generate

tocGenerateTool

@tpmjs/tools-toc-generate

Generate a table of contents from markdown headings. Parses # ## ### style headings and creates a formatted TOC with anchor links. Useful for adding navigation to long markdown documents.

Official
documentation
v0.2.0
MIT

Interactive Playground

Test @tpmjs/tools-toc-generate (tocGenerateTool) with AI-powered execution

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Installation & Usage

Install this tool and use it with the AI SDK

1. Install the package

npm install @tpmjs/tools-toc-generate
pnpm add @tpmjs/tools-toc-generate
yarn add @tpmjs/tools-toc-generate
bun add @tpmjs/tools-toc-generate
deno add npm:@tpmjs/tools-toc-generate

2. Import the tool

import { tocGenerateTool } from '@tpmjs/tools-toc-generate';

3. Use with AI SDK

import { generateText } from 'ai';
import { openai } from '@ai-sdk/openai';
import { tocGenerateTool } from '@tpmjs/tools-toc-generate';

const result = await generateText({
  model: openai('gpt-4o'),
  tools: { tocGenerateTool },
  prompt: 'Your prompt here...',
});

console.log(result.text);

Parameters

Available configuration options

Auto-extracted
markdown
Required
Type: string

The markdown content to generate table of contents from

maxDepth
Optional
Type: number

Maximum heading depth to include (1-6). Default is 3.

Schema extracted: 1/1/2026, 8:18:26 AM

README

@tpmjs/tools-toc-generate

Generate table of contents from markdown headings.

Features

  • Parses ATX-style markdown headings (#, ##, ###, etc.)
  • Generates formatted TOC with anchor links
  • Configurable maximum depth (default: 3)
  • Handles duplicate headings with unique slugs
  • Returns structured heading data with line numbers

Installation

npm install @tpmjs/tools-toc-generate

Usage

import { tocGenerateTool } from '@tpmjs/tools-toc-generate';

const result = await tocGenerateTool.execute({
  markdown: `
# Introduction
## Overview
## Getting Started
### Installation
### Configuration
# Advanced Topics
## API Reference
`,
  maxDepth: 3, // Optional, default is 3
});

console.log(result.toc);
// Output:
// - [Introduction](#introduction)
//   - [Overview](#overview)
//   - [Getting Started](#getting-started)
//     - [Installation](#installation)
//     - [Configuration](#configuration)
// - [Advanced Topics](#advanced-topics)
//   - [API Reference](#api-reference)

console.log(result.headings);
// [
//   { level: 1, text: 'Introduction', slug: 'introduction', line: 2 },
//   { level: 2, text: 'Overview', slug: 'overview', line: 3 },
//   ...
// ]

console.log(result.depth);
// { min: 1, max: 3, included: 7 }

API

tocGenerateTool.execute(input)

Input

  • markdown (string, required): The markdown content to parse
  • maxDepth (number, optional): Maximum heading depth to include (1-6, default: 3)

Output

Returns a TocResult object:

interface TocResult {
  toc: string;              // Formatted TOC markdown
  headings: Heading[];      // Array of parsed headings
  depth: {
    min: number;            // Minimum heading level found
    max: number;            // Maximum heading level found
    included: number;       // Number of headings included in TOC
  };
}

interface Heading {
  level: number;            // Heading level (1-6)
  text: string;             // Heading text
  slug: string;             // URL-safe slug
  line: number;             // Line number in source
}

Examples

Basic TOC

const result = await tocGenerateTool.execute({
  markdown: '# Title\n## Section 1\n## Section 2',
});

console.log(result.toc);
// - [Title](#title)
//   - [Section 1](#section-1)
//   - [Section 2](#section-2)

Limit Depth

const result = await tocGenerateTool.execute({
  markdown: '# Title\n## Section\n### Subsection\n#### Details',
  maxDepth: 2, // Only include h1 and h2
});

console.log(result.toc);
// - [Title](#title)
//   - [Section](#section)

Custom Anchor IDs

const result = await tocGenerateTool.execute({
  markdown: '# Introduction {#intro}\n## Overview {#overview}',
});

console.log(result.toc);
// - [Introduction](#intro)
//   - [Overview](#overview)

Use Cases

  • Generate navigation for long markdown documents
  • Create automatic table of contents for READMEs
  • Extract document structure for analysis
  • Build documentation site navigation

License

MIT

Statistics

Downloads/month

0

Quality Score

0%

Bundle Size

NPM Keywords

tpmjs
documentation
markdown
toc
ai

Maintainers

thomasdavis(thomasalwyndavis@gmail.com)

Frameworks

vercel-ai