Neo4j

Usage Instructions

Integrate Neo4j graph database into the workflow. Can query, create, merge, update, and delete nodes and relationships.

Tools

`neo4j_query`

Execute MATCH queries to read nodes and relationships from Neo4j graph database. For best performance and to prevent large result sets, include LIMIT in your query (e.g.,

Input

Parameter	Type	Required	Description
`host`	string	Yes	No description
`port`	number	Yes	No description
`database`	string	Yes	Database name to connect to (e.g., "neo4j", "movies", "social")
`username`	string	Yes	No description
`password`	string	Yes	No description
`encryption`	string	No	No description
`cypherQuery`	string	Yes	Cypher query to execute (e.g., "MATCH (n:Person) RETURN n LIMIT 10", "MATCH (a)-[r]->(b) WHERE a.name = $name RETURN a, r, b")
`parameters`	object	No	Parameters for the Cypher query as a JSON object. Use for any dynamic values including LIMIT (e.g., query: "MATCH (n) RETURN n LIMIT $limit", parameters: {limit: 100}).

Output

Parameter	Type	Description
`message`	string	Operation status message
`records`	array	Array of records returned from the query
`recordCount`	number	Number of records returned
`summary`	json	Query execution summary with timing and counters

`neo4j_create`

Execute CREATE statements to add new nodes and relationships to Neo4j graph database

Input

Parameter	Type	Required	Description
`host`	string	Yes	No description
`port`	number	Yes	No description
`database`	string	Yes	Database name to connect to (e.g., "neo4j", "movies", "social")
`username`	string	Yes	No description
`password`	string	Yes	No description
`encryption`	string	No	No description
`cypherQuery`	string	Yes	Cypher CREATE statement to execute (e.g., "CREATE (n:Person {name: $name, age: $age})", "CREATE (a)-[:KNOWS]->(b)")
`parameters`	object	No	Parameters for the Cypher query as a JSON object (e.g., {"name": "Alice", "age": 30})

Output

Parameter	Type	Description
`message`	string	Operation status message
`summary`	json	Creation summary with counters for nodes and relationships created

`neo4j_merge`

Execute MERGE statements to find or create nodes and relationships in Neo4j (upsert operation)

Input

Parameter	Type	Required	Description
`host`	string	Yes	No description
`port`	number	Yes	No description
`database`	string	Yes	Database name to connect to (e.g., "neo4j", "movies", "social")
`username`	string	Yes	No description
`password`	string	Yes	No description
`encryption`	string	No	No description
`cypherQuery`	string	Yes	Cypher MERGE statement to execute (e.g., "MERGE (n:Person {name: $name}) ON CREATE SET n.created = timestamp()", "MERGE (a)-[r:KNOWS]->(b)")
`parameters`	object	No	Parameters for the Cypher query as a JSON object (e.g., {"name": "Alice", "email": "alice@example.com"})

Output

Parameter	Type	Description
`message`	string	Operation status message
`summary`	json	Merge summary with counters for nodes/relationships created or matched

`neo4j_update`

Execute SET statements to update properties of existing nodes and relationships in Neo4j

Input

Parameter	Type	Required	Description
`host`	string	Yes	No description
`port`	number	Yes	No description
`database`	string	Yes	Database name to connect to (e.g., "neo4j", "movies", "social")
`username`	string	Yes	No description
`password`	string	Yes	No description
`encryption`	string	No	No description
`cypherQuery`	string	Yes	Cypher query with MATCH and SET statements to update properties (e.g., "MATCH (n:Person {name: $name}) SET n.age = $age", "MATCH (n) WHERE n.id = $id SET n += $props")
`parameters`	object	No	Parameters for the Cypher query as a JSON object (e.g., {"name": "Alice", "age": 31, "props": {"city": "NYC"}})

Output

Parameter	Type	Description
`message`	string	Operation status message
`summary`	json	Update summary with counters for properties set

`neo4j_delete`

Execute DELETE or DETACH DELETE statements to remove nodes and relationships from Neo4j

Input

Parameter	Type	Required	Description
`host`	string	Yes	No description
`port`	number	Yes	No description
`database`	string	Yes	Database name to connect to (e.g., "neo4j", "movies", "social")
`username`	string	Yes	No description
`password`	string	Yes	No description
`encryption`	string	No	No description
`cypherQuery`	string	Yes	Cypher query with MATCH and DELETE/DETACH DELETE statements (e.g., "MATCH (n:Person {name: $name}) DELETE n", "MATCH (n) DETACH DELETE n")
`parameters`	object	No	Parameters for the Cypher query as a JSON object (e.g., {"name": "Alice", "id": 123})
`detach`	boolean	No	No description

Output

Parameter	Type	Description
`message`	string	Operation status message
`summary`	json	Delete summary with counters for nodes and relationships deleted

`neo4j_execute`

Input

Parameter	Type	Required	Description
`host`	string	Yes	No description
`port`	number	Yes	No description
`database`	string	Yes	Database name to connect to (e.g., "neo4j", "movies", "social")
`username`	string	Yes	No description
`password`	string	Yes	No description
`encryption`	string	No	No description
`cypherQuery`	string	Yes	Cypher query to execute (e.g., "CALL db.labels()", "MATCH (n) RETURN count(n)", "CREATE INDEX FOR (n:Person) ON (n.name)")
`parameters`	object	No	Parameters for the Cypher query as a JSON object (e.g., {"name": "Alice", "limit": 100})

Output

Parameter	Type	Description
`message`	string	Operation status message
`records`	array	Array of records returned from the query
`recordCount`	number	Number of records returned
`summary`	json	Execution summary with timing and counters

`neo4j_introspect`

Introspect a Neo4j database to discover its schema including node labels, relationship types, properties, constraints, and indexes.

Input

Parameter	Type	Required	Description
`host`	string	Yes	No description
`port`	number	Yes	No description
`database`	string	Yes	Database name to connect to (e.g., "neo4j", "movies", "social")
`username`	string	Yes	No description
`password`	string	Yes	No description
`encryption`	string	No	No description

Output

Parameter	Type	Description
`message`	string	Operation status message
`labels`	array	Array of node labels in the database
`relationshipTypes`	array	Array of relationship types in the database
`nodeSchemas`	array	Array of node schemas with their properties
`relationshipSchemas`	array	Array of relationship schemas with their properties
`constraints`	array	Array of database constraints
`indexes`	array	Array of database indexes

Neo4j

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