Traverse the concept graph to find relationships around a concept.
AI agents call grounded_query_graph to retrieve information from Grounded Code MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries relationships within a concept graph to provide information to the user. It performs a read-only traversal of existing data structures without creating, modifying, deleting, or executing any operations. The blast radius of misuse is minimal—an AI agent could only retrieve potentially sensitive information from the knowledge base, not alter or damage it.
From the tool's definition The tool description states it will 'Traverse the concept graph to find relationships around a concept.' The verb 'traverse' and 'find' indicate query/retrieval operations with no modification or execution of code.
Attacks that exploit this kind of access
Traverse the concept graph to find relationships around a concept. It is categorised as a Read tool in the Grounded Code MCP MCP Server, which means it retrieves data without modifying state.
Register the Grounded Code MCP server in PolicyLayer and add a rule for grounded_query_graph: 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 Grounded Code MCP. Nothing to install.
grounded_query_graph 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 grounded_query_graph 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 grounded_query_graph. 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.
grounded_query_graph is provided by the Grounded Code MCP server (michaelalber/grounded-code-mcp). 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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