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feat: Add comprehensive API coverage for executions, credentials, tags, and variables #402

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feat: Add comprehensive API coverage for executions, credentials, tags, and variables #402

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680 changes: 677 additions & 3 deletions src/mcp/handlers-n8n-manager.ts
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2,195 changes: 2,195 additions & 0 deletions src/mcp/handlers-n8n-manager.ts.bak
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82 changes: 81 additions & 1 deletion src/mcp/server.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -711,18 +711,37 @@ export class N8NDocumentationMCPServer {
case 'n8n_get_workflow_minimal':
case 'n8n_update_full_workflow':
case 'n8n_delete_workflow':
case 'n8n_activate_workflow':
case 'n8n_deactivate_workflow':
case 'n8n_validate_workflow':
case 'n8n_autofix_workflow':
case 'n8n_get_execution':
case 'n8n_delete_execution':
case 'n8n_retry_execution':
case 'n8n_get_credential':
case 'n8n_delete_credential':
validationResult = ToolValidation.validateWorkflowId(args);
break;
case 'n8n_get_tag':
case 'n8n_update_tag':
case 'n8n_delete_tag':
// Validate tag ID is provided
if (!(args as any)?.id || (args as any).id.trim() === '') {
throw new ValidationError('Tag ID is required');
}
break;
case 'n8n_update_workflow_tags':
// Validate workflow ID is provided
if (!(args as any)?.workflowId || (args as any).workflowId.trim() === '') {
throw new ValidationError('Workflow ID is required');
}
break;
default:
// For tools not yet migrated to schema validation, use basic validation
return this.validateToolParamsBasic(toolName, args, legacyRequiredParams || []);
}

if (!validationResult.valid) {
if (validationResult && !validationResult.valid) {
const errorMessage = Validator.formatErrors(validationResult, toolName);
logger.error(`Parameter validation failed for ${toolName}:`, errorMessage);
throw new ValidationError(errorMessage);
Expand Down Expand Up @@ -1021,6 +1040,12 @@ export class N8NDocumentationMCPServer {
case 'n8n_delete_workflow':
this.validateToolParams(name, args, ['id']);
return n8nHandlers.handleDeleteWorkflow(args, this.instanceContext);
case 'n8n_activate_workflow':
this.validateToolParams(name, args, ['id']);
return n8nHandlers.handleActivateWorkflow(args, this.instanceContext);
case 'n8n_deactivate_workflow':
this.validateToolParams(name, args, ['id']);
return n8nHandlers.handleDeactivateWorkflow(args, this.instanceContext);
case 'n8n_list_workflows':
// No required parameters
return n8nHandlers.handleListWorkflows(args, this.instanceContext);
Expand All @@ -1046,6 +1071,61 @@ export class N8NDocumentationMCPServer {
case 'n8n_delete_execution':
this.validateToolParams(name, args, ['id']);
return n8nHandlers.handleDeleteExecution(args, this.instanceContext);
case 'n8n_retry_execution':
this.validateToolParams(name, args, ['id']);
return n8nHandlers.handleRetryExecution(args, this.instanceContext);

// Credential Management
case 'n8n_create_credential':
this.validateToolParams(name, args, ['name', 'type', 'data']);
return n8nHandlers.handleCreateCredential(args, this.instanceContext);
case 'n8n_get_credential':
this.validateToolParams(name, args, ['id']);
return n8nHandlers.handleGetCredential(args, this.instanceContext);
case 'n8n_delete_credential':
this.validateToolParams(name, args, ['id']);
return n8nHandlers.handleDeleteCredential(args, this.instanceContext);
case 'n8n_get_credential_schema':
this.validateToolParams(name, args, ['credentialTypeName']);
return n8nHandlers.handleGetCredentialSchema(args, this.instanceContext);

// Tag Management
case 'n8n_create_tag':
this.validateToolParams(name, args, ['name']);
return n8nHandlers.handleCreateTag(args, this.instanceContext);
case 'n8n_list_tags':
// No required parameters
return n8nHandlers.handleListTags(args, this.instanceContext);
case 'n8n_get_tag':
this.validateToolParams(name, args, ['id']);
return n8nHandlers.handleGetTag(args, this.instanceContext);
case 'n8n_update_tag':
this.validateToolParams(name, args, ['id', 'name']);
return n8nHandlers.handleUpdateTag(args, this.instanceContext);
case 'n8n_delete_tag':
this.validateToolParams(name, args, ['id']);
return n8nHandlers.handleDeleteTag(args, this.instanceContext);
case 'n8n_update_workflow_tags':
this.validateToolParams(name, args, ['workflowId', 'tagIds']);
return n8nHandlers.handleUpdateWorkflowTags(args, this.instanceContext);

// Variable Management
case 'n8n_create_variable':
this.validateToolParams(name, args, ['key', 'value']);
return n8nHandlers.handleCreateVariable(args, this.instanceContext);
case 'n8n_list_variables':
// No required parameters
return n8nHandlers.handleListVariables(args, this.instanceContext);
case 'n8n_get_variable':
this.validateToolParams(name, args, ['id']);
return n8nHandlers.handleGetVariable(args, this.instanceContext);
case 'n8n_update_variable':
this.validateToolParams(name, args, ['id']);
return n8nHandlers.handleUpdateVariable(args, this.instanceContext);
case 'n8n_delete_variable':
this.validateToolParams(name, args, ['id']);
return n8nHandlers.handleDeleteVariable(args, this.instanceContext);

case 'n8n_health_check':
// No required parameters
return n8nHandlers.handleHealthCheck(this.instanceContext);
Expand Down
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