Find nodes similar to a given node using metadata overlap, Jaccard, or cosine similarity.
AI agents call dual_ai_graph_similar to retrieve information from DUAL MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and analyzes existing graph data to return similar nodes based on similarity algorithms. It retrieves information without creating, modifying, deleting, or executing any blockchain transactions. The operation is read-only, posing minimal security risk if misused by an AI agent.
From the tool's definition Tool performs 'Find nodes similar to a given node' using similarity metrics (metadata overlap, Jaccard, cosine similarity) — a pure query/retrieval operation with no side effects.
Attacks that exploit this kind of access
Find nodes similar to a given node using metadata overlap, Jaccard, or cosine similarity. It is categorised as a Read tool in the DUAL MCP Server MCP Server, which means it retrieves data without modifying state.
Register the DUAL MCP Server MCP server in PolicyLayer and add a rule for dual_ai_graph_similar: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches DUAL MCP Server. Nothing to install.
dual_ai_graph_similar is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the dual_ai_graph_similar rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for dual_ai_graph_similar. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
dual_ai_graph_similar is provided by the DUAL MCP Server MCP server (ro-ro-b/dual-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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