Every tutorial below was tested hands-on before publishing. Pick your tool and follow along.
Google is retiring Gemini Gems in favor of Skills. This step-by-step guide covers manual Gem-to-Skill migration, deadlines by account type, and troubleshooting.
Hook n8n to Microsoft Dataverse: register an Entra ID app, pick the OAuth2 grant, run all six row operations, query with OData and FetchXML, fix real errors.
Publish your MCP server to the official MCP Registry with mcp-publisher: server.json, namespace rules, GitHub and DNS auth, and fixes for common publish errors.
n8n 2.42.6 blocks saving workflows with deprecated nodes. Find every deprecated node, replace it, and migrate safely before the n8n 3.0 upgrade.
n8n workflows broke after updating? Fix the six real causes: failed migrations, lost keys, renamed variables, removed nodes, and broken webhooks.
n8n 3.0 cut the Code node timeout from 5 minutes to 60 seconds. Learn to diagnose the timeout, restore the old limit, or restructure long workflows.
Master the n8n Message an Agent node: message published agents from workflows, reuse sessions, constrain replies with JSON schema, and fix five real errors.
Self-host Nous Research's Hermes Agent in 2026: one-line install, model switching, Ollama on your own hardware, messaging gateway setup, and five real fixes.
Learn how to use the n8n Assistant AI workflow builder: write a plain-language spec, review the plan, connect credentials safely, and test before you publish.
Use MCP events in ChatGPT: build an MCP 2.0 server with events/list, subscribe and unsubscribe, verify callbacks, and push signed event webhooks.