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n8n-nodes-llmlayer

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  • License MIT

n8n node for LLMLayer Web Search & Answer API

Package Exports

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    Readme

    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

    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

    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