// MCP TOOL REFERENCE

MCP GRAPH ENGINE TOOLS

24 tools from the Mcp Graph Engine MCP Server, categorised by risk level.

// ALL 24 MCP GRAPH ENGINE TOOLS

READ 12 tools

Read ask_graph Pattern-matching queries: Read dump_context Get complete graph summary: nodes by type, relationships, and insights (hubs, cycles, orphans). Read find_cycles Detect cycles (circular dependencies) in the graph Read get_graph_info Get graph statistics and info Read list_graphs List all graph sessions with statistics Read all_paths Find all simple paths between two nodes. Fuzzy matches labels. Read connected_components Find weakly connected components (node groups connected by paths) Read degree_centrality Calculate in/out degree centrality to find highly connected nodes Read export_graph Export graph to DOT, CSV, GraphML, JSON, or Mermaid format. Read pagerank Calculate PageRank scores for node importance Read shortest_path Find shortest path between two nodes (Dijkstra). Fuzzy matches node labels. Read subgraph Extract subgraph with specified nodes and their interconnections. Fuzzy matches labels.

WRITE 5 tools

Write add_facts Add facts (relationships) to the graph. Nodes are auto-created if they don Write add_knowledge Add knowledge using text DSL. Format: Write create_from_mermaid Create graph from Mermaid flowchart. Edge labels become relation types. Write import_graph Import graph from DOT, CSV, GraphML, or JSON. Merges into existing graph. Write update_visualization_filter Update Cypher filter for visualization. Empty string clears filter.

DESTRUCTIVE 4 tools

Destructive delete_graph Delete a graph session Destructive forget Remove a node and its connected edges Destructive forget_relationship Remove an edge from the graph Destructive transitive_reduction Remove redundant transitive edges (if A->B->C and A->C exist, remove A->C)

EXECUTE 3 tools

Execute stop_visualization Stop the visualization server. Execute cypher_query cypher_query Execute visualize_graph Open browser visualization at localhost URL. Updates in real-time.

// FAQ

How many tools does the Mcp Graph Engine MCP server have? +

The Mcp Graph Engine MCP server exposes 24 tools across 4 categories: Read, Write, Destructive, Execute.

How do I enforce policies on Mcp Graph Engine tools? +

Route the Mcp Graph Engine server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard; they are enforced on every call before it reaches the server.

What risk categories do Mcp Graph Engine tools fall into? +

Mcp Graph Engine tools are categorised as Read (12), Write (5), Destructive (4), Execute (3). Each category has a recommended default policy.

Enforce policy on every Mcp Graph Engine tool call.

Start from Mcp Graph Engine, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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