Schema | n8n-free-mcp

n8n-free-mcp

Describes the environment variables required to run the server.

Name	Required	Description	Default
`N8N_API_KEY`	Yes	Your n8n API key
`N8N_API_URL`	Yes	The URL of your n8n instance, e.g., https://your-n8n-instance.com

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": true }

Functions exposed to the LLM to take actions

Name	Description
list_workflowsA	List workflows on the n8n instance. Returns id, name, active state, tags and dates. Supports cursor pagination.
get_workflowA	Get a full workflow by ID, including nodes, connections and settings.
create_workflowA	Create a new workflow (created inactive; use activate_workflow to enable it). 'nodes' and 'connections' are JSON in n8n's standard export format.
update_workflowA	Replace an existing workflow (PUT). Pass the full workflow JSON (typically the result of get_workflow with modifications); read-only fields (id, active, tags, dates) are stripped automatically.
activate_workflowA	Activate a workflow (starts running on its triggers).
deactivate_workflowA	Deactivate a workflow (stops responding to its triggers).
delete_workflowA	Permanently delete a workflow. ⚠️ Irreversible — confirm with the user before using.
list_executionsA	List workflow executions. Useful for debugging: filter by status ('error', 'success', 'waiting') or by workflowId.
get_executionA	Get the details of an execution. With includeData=true it returns per-node data (can be very large) — ideal for diagnosing errors.
delete_executionA	Delete an execution record. ⚠️ Irreversible.
list_tagsC	List the tags available on the n8n instance.
check_connectionA	Verify that the n8n instance responds and the API key is valid.

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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