Instant (free) n8n help auto-fed to Claude Code - hindsight graph search of over 45k sources

Tips & Tricks
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Stop babysitting web search permissions — instant n8n answers from docs and community content in Claude Code

If you’re building n8n workflows with Claude Code, you know the loop: ask about webhook configuration, Claude fires off a web search, asks permission, reads something irrelevant, searches again, asks permission again. By the time you get an answer, you’ve burned 2-5 minutes babysitting permission prompts.

I built a free Claude Code plugin that replaces that entire chain with a 1-second lookup against 42,000+ curated n8n data points — official docs, GitHub issues with status, community solutions with solved/unsolved context, and feature requests with vote counts. No telemetry, no tracking.

What it does

  • Auto-detects n8n projects and injects relevant docs and community content before Claude starts responding
  • Each result scored HIGH/MEDIUM/LOW based on source type and engagement (votes, likes, views, solved status)
  • Source links on every result so you can verify the original
  • Works in any project when you mention “n8n”, broader keyword triggers inside n8n codebases
  • No API keys, no MCP server, no setup — one command install

How it works

The plugin hooks into every message via UserPromptSubmit. It detects n8n context, queries a Hindsight graph memory database using TEMPR recall — four parallel search strategies (semantic, keyword, graph traversal, temporal) fused via Reciprocal Rank Fusion and cross-encoder reranking. On the LongMemEval benchmark, TEMPR improved accuracy by 44.6 percentage points (39% → 83.6%) and was the first agent memory system to surpass 90% overall accuracy. Zero LLM cost per recall, sub-second typical latency. The knowledge base syncs nightly from docs.n8n.io, GitHub, and this forum.

Install

Official Claude Code community marketplace — submitted, awaiting approval. This post will be updated with install instructions from the marketplace once approved.

Install from GitHub now:

Follow Anthropic’s official plugin marketplace guide to add a GitHub-hosted marketplace, then:

/plugin marketplace add dbenn8/n8n-knowledge
/plugin install n8n-knowledge@n8n-knowledge

Free and open source

MIT licensed, no telemetry, no tracking, no data collection. Your prompts are sent to a read-only API to retrieve results and are not logged or retained.

GitHub: GitHub - dbenn8/n8n-knowledge · GitHub

Happy to answer questions. If you find it useful, feedback and PRs welcome.

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The approach of embedding graph-search over 42k curated sources directly into Claude Code is clever - the pain of Claude doing repeated web searches + permission prompts for n8n-specific questions is real, especially when you’re deep in a workflow debugging session. The fact that you included community solutions with solved/unsolved context rather than just docs means Claude actually gets signal on which approaches have been validated in practice. Going to try this on a current project.

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Have you tried it out? I’d love to hear how your experience went? I have been rebuilding large swaths of the data in the graph database to make sure all the citations to original sources work over the past few days, and they should be up to date now. The data was always good, but a lot of the links to sources were missing before, so it has improved if you tried it at launch.