Configures n8n nodes, debugs expressions like $json/$node/$now, and resolves validation errors.
npx skills add https://github.com/gerardloupecyb/skills --skill n8n-node-expert
Please help me install this Agent Skill. Skill: n8n-node-expert Source: https://github.com/gerardloupecyb/skills/tree/main/n8n-node-expert Command: npx skills add https://github.com/gerardloupecyb/skills --skill n8n-node-expert
This Skill helps you configure n8n nodes correctly, write complex expressions, and resolve validation errors, ensuring your automations run smoothly and efficiently.
$json, $node, and $now.missing_required, invalid_value, and type_mismatch errors.{{$json.body.user_id}} isn't returning the expected value. This Skill will guide you through the configuration and expression syntax to fix it.Use the n8n-node-expert skill to help me fix the 'missing_required' error on my Slack node.
High-intent search queries and answers about installing and using this skill.
To fix a missing_required error on an n8n node, you must locate the empty parameter field and provide a valid input value. This Skill helps identify missing parameters and resolve validation issues by checking property dependencies like displayOptions.
An n8n expression using $json returns unexpected values when the referenced data path is incorrect or the preceding node outputs a different structure. You can debug expression syntax by verifying the exact JSON hierarchy being passed into the current node.
n8n validation profiles like minimal, runtime, ai-friendly, and strict define the strictness level for checking node parameters. They determine how strictly the system validates inputs before execution, catching issues like invalid_value or type_mismatch errors at different stages.
Resolving a type_mismatch error in n8n involves ensuring the parameter receives the exact data type it expects, such as changing a string to a number. This Skill guides you through adjusting parameter configuration and expression syntax to match required types.
You can use $now and $node variables together within n8n expressions to combine dynamic timestamps with data from previous nodes. This Skill provides guidance on writing and debugging complex syntax using these built-in expression variables.
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