n8n MCP Server

List all credentials. Requires owner/admin role. Credential data (secrets) are NOT returned — only metadata. Args: - name (string?): Filter by credential name - limit (number): Max results (1-250, default 20) - cursor (string?): Pagination cursor

Retrieve credential metadata by ID. Secret data is NOT returned. Args: - id (string): Credential ID

Get the schema/field definitions for a credential type. Use this to know which fields are required when creating credentials. Args: - credentialTypeName (string): Credential type name (e.g., 'githubApi', 'slackApi', 'telegramApi')

Create a new credential. Use n8n_get_credential_schema first to know required fields. Args: - name (string): Credential display name - type (string): Credential type (e.g., 'githubApi', 'slackApi') - data (object): Credential data/secrets (specific to the credential type) - projectId (strin…

Update an existing credential's name or data. Args: - id (string): Credential ID to update - name (string?): New display name - data (object?): Updated credential data/secrets (merged with existing)

Permanently delete a credential. Workflows using it will break. Args: - id (string): Credential ID to delete

Test whether a credential is valid by making a test request to the service. Args: - id (string): Credential ID to test

List workflow executions with optional filtering. Args: - workflowId (string?): Filter by specific workflow ID - status ('new'|'running'|'success'|'failed'|'waiting'|'canceled'?): Filter by status - includeData (boolean): Include execution data/output (default false, increases response size) …

Retrieve full details of a specific execution by ID, including output data. Args: - id (string): Execution ID - includeData (boolean): Include execution data/output (default true) - response_format ('markdown' | 'json'): Output format (default 'json')

Permanently delete a specific execution and its data. Args: - id (string): Execution ID to delete

Retry a failed execution. Creates a new execution from the point of failure. Args: - id (string): Failed execution ID to retry - loadWorkflowData (boolean): Reload workflow from current saved version (default false — uses original execution data)

Stop a currently running execution. Args: - id (string): Running execution ID to stop

List all projects in the n8n instance. Args: - limit (number): Max results (1-250, default 20) - cursor (string?): Pagination cursor

Create a new project for organizing workflows and credentials. Args: - name (string): Project name

List all users in the n8n instance. Requires owner role. Args: - limit (number): Max results (1-250, default 20) - cursor (string?): Pagination cursor

Generate a security audit report for the n8n instance. Checks for security misconfigurations, abandoned workflows, credential exposure risks, etc. Args: - categories (array?): Audit categories to run. Options: 'credentials', 'database', 'filesystem', 'instance', 'nodes' - daysAbandonedWorkflow …

Get the capability map for the current API key — shows which API endpoints/scopes are accessible. Useful for debugging permission issues.

List all installed community node packages in the n8n instance.

Install a community node package from npm. Args: - packageName (string): npm package name (e.g., 'n8n-nodes-evolution-api') - version (string?): Specific version to install (default: latest)

Uninstall a community node package. Workflows using its nodes will break. Args: - packageName (string): npm package name to uninstall

List all annotation tags available in the n8n instance. Args: - limit (number): Max results (1-250, default 20) - cursor (string?): Pagination cursor

Create a new annotation tag for organizing workflows. Args: - name (string): Tag name (must be unique)

Rename an existing tag. Args: - id (string): Tag ID - name (string): New tag name

Delete a tag. Removes it from all workflows that use it. Args: - id (string): Tag ID to delete

List all workflow variables (global key-value pairs available in all workflows). Args: - limit (number): Max results (1-250, default 20) - cursor (string?): Pagination cursor

Create a new global workflow variable accessible in all workflows via $vars.key. Args: - key (string): Variable key/name - value (string): Variable value - type (string?): Variable type (default 'string')

Update a workflow variable's value. Args: - id (string): Variable ID - key (string): Variable key/name - value (string): New variable value

Delete a workflow variable. Workflows referencing it will get undefined. Args: - id (string): Variable ID to delete

List workflows from the n8n instance with optional filtering. Args: - active (boolean?): Filter by active/inactive status - name (string?): Filter by workflow name (partial match) - tags (string?): Comma-separated tag names to filter by - projectId (string?): Filter by project ID - limit …

Retrieve full details of a specific workflow by ID, including its nodes and connections. Args: - id (string): Workflow ID - response_format ('markdown' | 'json'): Output format (default 'json' for full detail)

Create a new workflow in n8n. Args: - name (string): Workflow name - nodes (array): Array of node objects (n8n node definitions) - connections (object): Node connection map - settings (object?): Workflow settings - active (boolean): Whether to activate immediately (default false) Returns…

Update an existing workflow. Replaces the full workflow definition. If the workflow is active, it will be republished automatically. Args: - id (string): Workflow ID to update - name (string): New workflow name - nodes (array): Full array of node objects - connections (object): Full node co…

Permanently delete a workflow by ID. This action is irreversible. Consider using n8n_archive_workflow for soft-delete instead. Args: - id (string): Workflow ID to delete

Activate (publish) a workflow so it runs automatically on triggers/schedules. Args: - id (string): Workflow ID to activate

Deactivate a workflow so it stops running automatically. Manual executions are still possible. Args: - id (string): Workflow ID to deactivate

Soft-delete a workflow by archiving it. Can be restored with n8n_unarchive_workflow. Args: - id (string): Workflow ID to archive

Restore an archived workflow back to normal state. Args: - id (string): Workflow ID to unarchive

Get the tags associated with a specific workflow. Args: - id (string): Workflow ID

Replace all tags on a workflow. Pass an empty array to remove all tags. Args: - id (string): Workflow ID - tagIds (array of string): Tag IDs to assign (replaces existing tags)