n8n-mcp

List all workflows with optional filtering by active status, tags, name, or project.

Get detailed information about a specific workflow including its nodes, connections, and settings.

Create a new workflow. Requires write_mode to be enabled.

Update an existing workflow. Requires write_mode.

Delete a workflow. Requires write_mode.

Activate (publish) a workflow so its triggers start running. Requires write_mode.

Deactivate a workflow so its triggers stop running. Requires write_mode.

Retrieve a specific version of a workflow from the version history.

Get all tags assigned to a workflow.

Replace all tags on a workflow. Requires write_mode.

Execute a workflow with optional test data for end-to-end validation. Requires write_mode.

Trigger a workflow via its webhook URL with test data. Workflow must be active.

Create a workflow with automatic double-validation: structural check, two execution passes, and consistency comparison. Returns a comprehensive PASS/FAIL report. Provide test_data for meaningful functional testing. Requires write_mode.

List workflow executions. Filter by workflow_id, status (success/error/running/waiting/canceled/crashed), project_id.

Get detailed information about a specific execution, including per-node inputs and outputs.

Delete an execution from the history. Requires write_mode.

Retry a failed execution. Set load_workflow=true to use the latest workflow version.

Stop a running execution. Requires write_mode.

Stop multiple executions matching filter criteria. Status options: 'queued', 'running', 'waiting'.

Get annotation tags for an execution.

Update annotation tags on an execution. Requires write_mode.

List all credentials (metadata only — secrets are never exposed).

Create a new credential. Use get_credential_schema to discover required fields first.

Update an existing credential. Requires write_mode.

Delete a credential. Requires write_mode.

Get the required fields for a credential type (e.g., 'slackApi', 'githubApi').

List all tags in the instance.

Get a specific tag by ID.

Create a new tag. Requires write_mode.

Rename a tag. Requires write_mode.

Delete a tag. Requires write_mode.

List all instance variables — key-value pairs accessible across all workflows.

Create a new instance variable. Requires write_mode.

Update an existing instance variable. Requires write_mode.

Delete an instance variable. Requires write_mode.

List all data tables in the instance.

Get a data table's schema and column definitions.

Create a new data table. Columns need 'name' and 'type' (string/number/boolean/dateTime).

Query rows from a data table with optional filtering, sorting, and full-text search.

Insert rows into a data table. Each row is a dict of column_name: value. Requires write_mode.

Generate a security audit. Categories: credentials, database, nodes, filesystem, instance.

Discover available API capabilities based on the current API key's scopes.

Pull changes from the connected Git repository. Requires write_mode and source control configured.