n8n-nodes-llmlayer

An n8n Community Node for LLMLayer — a Search & Answer API that combines web search with AI-generated, source-grounded responses.

Features

• AI‑Powered Answers: Generate comprehensive answers using popular models (GPT‑4o, Claude 3.5, Gemini, etc.).
• Web Search: General, news, shopping, videos, images, and scholar search types.
• Content Extraction: Scrape public pages and return Markdown/HTML, or request PDFs/screenshots.
• YouTube Transcripts: Retrieve transcripts from YouTube videos.
• PDF Text: Extract text and metadata from PDFs.

Availability of specific models/features depends on your LLMLayer account and current API support.

Compatibility

• n8n: 1.68+ recommended
• Node.js: 20+ recommended (align with n8n’s LTS baseline)

Installation

A) n8n Cloud / In‑Editor Browse

If/when this package is verified by n8n, you can install it directly from the editor:

1. Settings → Community Nodes → Browse
2. Search for LLMLayer or n8n-nodes-llmlayer
3. Click Install

If it’s not yet verified, use the self‑hosted options below.

B) Self‑Hosted n8n

From the UI

1. Settings → Community Nodes → Install
2. Enter n8n-nodes-llmlayer
3. Install and restart n8n if prompted

Using npm inside your instance

npm install n8n-nodes-llmlayer

Using Docker (inside the container)

docker exec -it <n8n-container> npm install n8n-nodes-llmlayer

Then restart your container.

Via environment variable (install at startup)

# Add to your n8n environment
N8N_COMMUNITY_PACKAGES=n8n-nodes-llmlayer

Authentication

1. Sign up at https://app.llmlayer.ai and create an API key.
2. In n8n, go to Credentials → New → LLMLayer.
3. Paste your API key and Save.

This node sends your queries/URLs to LLMLayer; review your privacy and data‑handling requirements before production use.

Node Overview

The node exposes the following resources:

1) Answer

Generate AI answers grounded in real‑time search.

• Query — Question/prompt
• Model — Pick from supported models
• Answer Type — markdown | html | json
• Search Type — general | news
• System Prompt — Optional instructions
• Location / Date Filter / Recency — Tune search context
• Citations / Return Sources — Include sources and documents
• Temperature / Max Tokens — Output control

2) Web Search

Perform targeted searches.

• Search Type — general, news, shopping, videos, images, scholar
• Query, Location, Recency
• Domain Filters — Include/exclude specific domains

3) Scrape

Extract content from public web pages.

• URL
• Format — markdown, html, pdf, screenshot
• Include Images / Links

4) YouTube

Fetch video transcripts.

• URL
• Language (optional)

5) PDF

Extract text from a PDF URL.

• URL

Usage Examples

Answer (Markdown)

{
  "resource": "answer",
  "query": "What are the latest developments in AI?",
  "model": "openai/gpt-4o-mini",
  "answer_type": "markdown",
  "citations": true,
  "return_sources": true
}

News Search (Past Week, US)

{
  "resource": "webSearch",
  "query": "artificial intelligence breakthroughs",
  "search_type": "news",
  "recency": "week",
  "location": "us"
}

Structured JSON Answer

{
  "resource": "answer",
  "query": "List top 5 programming languages",
  "model": "anthropic/claude-3-5-sonnet-latest",
  "answer_type": "json",
  "json_schema": {
    "type": "object",
    "properties": {
      "languages": {
        "type": "array",
        "items": {
          "type": "object",
          "properties": {
            "name": {"type": "string"},
            "rank": {"type": "number"},
            "use_cases": {"type": "array"}
          },
          "required": ["name", "rank"]
        }
      }
    },
    "required": ["languages"]
  }
}

Error Handling & Tips

• Enable Continue On Fail to keep workflows running on non‑critical errors.

• Common issues:

  • 401/403 → Invalid/expired API key
  • 429 → Rate limit exceeded (add a Wait node or retry)
  • Network timeouts → Increase node timeout or add retries
  • Access‑restricted pages (Scrape) → Paywalls/blocks/dynamic content may limit extraction

Support

• Docs: https://docs.llmlayer.ai
• Issues: https://github.com/YassKhazzan/n8n-nodes-llmlayer/issues
• Email: [email protected]

License

MIT

Author

Yassine Khazzan — LLMLayer

Changelog

1.0.2

• Polish: README, metadata, minor fixes

1.0.1

• Passed security scan

1.0.0

• Initial release with Answer, Web Search, Scrape, YouTube, PDF