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Knowledge Management · Developer Tools
N8N-api-MCP
jasondsmith72/N8N-api-MCP
A Model Context Protocol (MCP) server designed to interact with a self-hosted n8n instance.
Install
Client configuration
{
"mcpServers": {
"n8n-api-mcp": {
"command": "node",
"args": [
"C:\\MCP-Servers\\N8N-api-MCP\\build\\index.js"
],
"env": {
"N8N_URL": "<N8N_URL>",
"N8N_API_KEY": "<N8N_API_KEY>"
}
}
}
}Environment variables
N8N_URLN8N_API_KEY- GitHub stars
- 1
- Author
- @jasondsmith72
- Category
- Knowledge Management, Developer Tools
- Updated
- Oct 6, 2026
Features
API Specification Database (api_spec.db): Stores details about n8n API endpoints, loaded from an OpenAPI/Swagger JSON file. Used by search and detail tools.
Fast Memory Database (fast_memory.db): Caches successful API calls linked to natural language queries. Allows for quick retrieval of previously used calls and suggests saving new successful calls.
list_fast_memory: List entries currently stored in the Fast Memory database, optionally filtering by a search term.
Tools (9)
search_api_endpoints
Search the local API spec database for endpoints matching a query (path, summary, description, tags).
get_api_endpoint_details
Retrieve detailed information (parameters, request body, responses) for a specific endpoint (path and method) from the local API spec database.
execute_api_call
Execute an API call to the configured n8n instance.
natural_language_api_search
Search for API calls using natural language.
save_to_fast_memory
Manually save an API call (path, method, params, data) along with its original natural language query and a description to the Fast Memory database.
delete_from_fast_memory
Delete a specific entry from the Fast Memory database by its ID.
clear_fast_memory
Remove all entries from the Fast Memory database.
load_api_spec_from_json
Load or update the API Specification database (api_spec.db) by parsing an OpenAPI/Swagger JSON file.
send_raw_api_request
Execute an API call using a raw request string (e.g., "GET /workflows?limit=5").
Details on this page are taken from the project's README. Open README
Supported clients
Clients mentioned in this server's README:
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