Get a knowledge node by ID. Returns the node, its edges, gotchas, also_needed suggestions, and works_on env badges.
AI agents call get_node to retrieve information from Agent-hive without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays existing data from the knowledge graph without creating, modifying, deleting, or executing anything. It is a pure data retrieval operation with no blast radius beyond information disclosure.
From the tool's definition Tool name 'get_node' and description 'Get a knowledge node by ID. Returns the node, its edges, gotchas, also_needed suggestions, and works_on env badges.' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Get a knowledge node by ID. Returns the node, its edges, gotchas, also_needed suggestions, and works_on env badges. It is categorised as a Read tool in the Agent-hive MCP Server, which means it retrieves data without modifying state.
Register the Agent-hive MCP server in PolicyLayer and add a rule for get_node: 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 Agent-hive. Nothing to install.
get_node 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 get_node 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 get_node. 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.
get_node is provided by the Agent-hive MCP server (kelvinyuefanli/agent-hive). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
get_node is one line of Agent-hive's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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