Operation-aware node configuration guidance. Use when configuring nodes, understanding property dependencies, determining required fields, choosing between get_node_essentials and get_node_info, or learning common configuration patterns by node type.
npxskills add davila7/claude-code-templates--skill n8n-node-configurationLoading…
Expert guidance for operation-aware node configuration with property dependencies.
Progressive disclosure: Start minimal, add complexity as needed
Configuration best practices:
Key insight: Most configurations need only essentials, not full schema!
Not all fields are always required - it depends on operation!
Example: Slack node
// For operation='post'
{
"resource": "message",
"operation": "post",
"channel": "#general", // Required for post
"text": "Hello!" // Required for post
}
// For operation='update'
{
"resource": "message",
"operation": "update",
"messageId": "123", // Required for update (different!)
"text": "Updated!" // Required for update
// channel NOT required for update
}
Key: Resource + operation determine which fields are required!
Fields appear/disappear based on other field values
Example: HTTP Request node
// When method='GET'
{
"method": "GET",
"url": "https://api.example.com"
// sendBody not shown (GET doesn't have body)
}
// When method='POST'
{
"method": "POST",
"url": "https://api.example.com",
"sendBody": true, // Now visible!
"body": { // Required when sendBody=true
"contentType": "json",
"content": {...}
}
}
Mechanism: displayOptions control field visibility
Use the right tool for the right job:
get_node_essentials (91.7% success rate)
get_property_dependencies (for complex nodes)
get_node_info (full schema)
1. Identify node type and operation
↓
2. Use get_node_essentials
↓
3. Configure required fields
↓
4. Validate configuration
↓
5. If dependencies unclear → get_property_dependencies
↓
6. Add optional fields as needed
↓
7. Validate again
↓
8. Deploy
Step 1: Identify what you need
// Goal: POST JSON to API
Step 2: Get essentials
const info = get_node_essentials({
nodeType: "nodes-base.httpRequest"
});
// Returns: method, url, sendBody, body, authentication required/optional
Step 3: Minimal config
{
"method": "POST",
"url": "https://api.example.com/create",
"authentication": "none"
}
Step 4: Validate
validate_node_operation({
nodeType: "nodes-base.httpRequest",
config,
profile: "runtime"
});
// → Error: "sendBody required for POST"
Step 5: Add required field
{
"method": "POST",
"url": "https://api.example.com/create",
"authentication": "none",
"sendBody": true
}
Step 6: Validate again
validate_node_operation({...});
// → Error: "body required when sendBody=true"
Step 7: Complete configuration
{
"method": "POST",
"url": "https://api.example.com/create",
"authentication": "none",
"sendBody": true,
"body": {
"contentType": "json",
"content": {
"name": "={{$json.name}}",
"email": "={{$json.email}}"
}
}
}
Step 8: Final validation
validate_node_operation({...});
// → Valid! ✅
✅ Starting configuration (91.7% success rate)
get_node_essentials({
nodeType: "nodes-base.slack"
});
Returns:
Fast: ~18 seconds average (from search → essentials)
✅ Essentials insufficient
get_node_info({
nodeType: "nodes-base.slack"
});
Returns:
Slower: More data to process
┌─────────────────────────────────┐
│ Starting new node config? │
├─────────────────────────────────┤
│ YES → get_node_essentials │
└─────────────────────────────────┘
↓
┌─────────────────────────────────┐
│ Essentials has what you need? │
├─────────────────────────────────┤
│ YES → Configure with essentials │
│ NO → Continue │
└─────────────────────────────────┘
↓
┌─────────────────────────────────┐
│ Need dependency info? │
├─────────────────────────────────┤
│ YES → get_property_dependencies │
│ NO → Continue │
└─────────────────────────────────┘
↓
┌─────────────────────────────────┐
│ Still need more details? │
├─────────────────────────────────┤
│ YES → get_node_info │
└─────────────────────────────────┘
Fields have visibility rules:
{
"name": "body",
"displayOptions": {
"show": {
"sendBody": [true],
"method": ["POST", "PUT", "PATCH"]
}
}
}
Translation: "body" field shows when:
Example: HTTP Request sendBody
// sendBody controls body visibility
{
"sendBody": true // → body field appears
}
Example: Slack resource/operation
// Different operations → different fields
{
"resource": "message",
"operation": "post"
// → Shows: channel, text, attachments, etc.
}
{
"resource": "message",
"operation": "update"
// → Shows: messageId, text (different fields!)
}
Example: IF node conditions
{
"type": "string",
"operation": "contains"
// → Shows: value1, value2
}
{
"type": "boolean",
"operation": "equals"
// → Shows: value1, value2, different operators
}
Example:
const deps = get_property_dependencies({
nodeType: "nodes-base.httpRequest"
});
// Returns dependency tree
{
"dependencies": {
"body": {
"shows_when": {
"sendBody": [true],
"method": ["POST", "PUT", "PATCH", "DELETE"]
}
},
"queryParameters": {
"shows_when": {
"sendQuery": [true]
}
}
}
}
Use this when: Validation fails and you don't understand why field is missing/required
Examples: Slack, Google Sheets, Airtable
Structure:
{
"resource": "<entity>", // What type of thing
"operation": "<action>", // What to do with it
// ... operation-specific fields
}
How to configure:
Examples: HTTP Request, Webhook
Structure:
{
"method": "<HTTP_METHOD>",
"url": "<endpoint>",
"authentication": "<type>",
// ... method-specific fields
}
Dependencies:
Examples: Postgres, MySQL, MongoDB
Structure:
{
"operation": "<query|insert|update|delete>",
// ... operation-specific fields
}
Dependencies:
Examples: IF, Switch, Merge
Structure:
{
"conditions": {
"<type>": [
{
"operation": "<operator>",
"value1": "...",
"value2": "..." // Only for binary operators
}
]
}
}
Dependencies:
{
"resource": "message",
"operation": "post",
"channel": "#general", // Required
"text": "Hello!", // Required
"attachments": [], // Optional
"blocks": [] // Optional
}
{
"resource": "message",
"operation": "update",
"messageId": "1234567890", // Required (different from post!)
"text": "Updated!", // Required
"channel": "#general" // Optional (can be inferred)
}
{
"resource": "channel",
"operation": "create",
"name": "new-channel", // Required
"isPrivate": false // Optional
// Note: text NOT required for this operation
}
{
"method": "GET",
"url": "https://api.example.com/users",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "httpHeaderAuth",
"sendQuery": true, // Optional
"queryParameters": { // Shows when sendQuery=true
"parameters": [
{
"name": "limit",
"value": "100"
}
]
}
}
{
"method": "POST",
"url": "https://api.example.com/users",
"authentication": "none",
"sendBody": true, // Required for POST
"body": { // Required when sendBody=true
"contentType": "json",
"content": {
"name": "John Doe",
"email": "[email protected]"
}
}
}
{
"conditions": {
"string": [
{
"value1": "={{$json.status}}",
"operation": "equals",
"value2": "active" // Binary: needs value2
}
]
}
}
{
"conditions": {
"string": [
{
"value1": "={{$json.email}}",
"operation": "isEmpty",
// No value2 - unary operator
"singleValue": true // Auto-added by sanitization
}
]
}
}
Scenario: body field required, but only sometimes
Rule:
body is required when:
- sendBody = true AND
- method IN (POST, PUT, PATCH, DELETE)
How to discover:
// Option 1: Read validation error
validate_node_operation({...});
// Error: "body required when sendBody=true"
// Option 2: Check dependencies
get_property_dependencies({
nodeType: "nodes-base.httpRequest"
});
// Shows: body → shows_when: sendBody=[true], method=[POST,PUT,PATCH,DELETE]
// Option 3: Try minimal config and iterate
// Start without body, validation will tell you if needed
Scenario: singleValue property appears for unary operators
Rule:
singleValue should be true when:
- operation IN (isEmpty, isNotEmpty, true, false)
Good news: Auto-sanitization fixes this!
Manual check:
get_property_dependencies({
nodeType: "nodes-base.if"
});
// Shows operator-specific dependencies
Bad:
// Adding every possible field
{
"method": "GET",
"url": "...",
"sendQuery": false,
"sendHeaders": false,
"sendBody": false,
"timeout": 10000,
"ignoreResponseCode": false,
// ... 20 more optional fields
}
Good:
// Start minimal
{
"method": "GET",
"url": "...",
"authentication": "none"
}
// Add fields only when needed
Bad:
// Configure and deploy without validating
const config = {...};
n8n_update_partial_workflow({...}); // YOLO
Good:
// Validate before deploying
const config = {...};
const result = validate_node_operation({...});
if (result.valid) {
n8n_update_partial_workflow({...});
}
Bad:
// Same config for all Slack operations
{
"resource": "message",
"operation": "post",
"channel": "#general",
"text": "..."
}
// Then switching operation without updating config
{
"resource": "message",
"operation": "update", // Changed
"channel": "#general", // Wrong field for update!
"text": "..."
}
Good:
// Check requirements when changing operation
get_node_essentials({
nodeType: "nodes-base.slack"
});
// See what update operation needs (messageId, not channel)
Start with get_node_essentials
Validate iteratively
Use property dependencies when stuck
Respect operation context
Trust auto-sanitization
Jump to get_node_info immediately
Configure blindly
Copy configs without understanding
Manually fix auto-sanitization issues
For comprehensive guides on specific topics:
Configuration Strategy:
Key Principles:
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