Get relationships for a specific entity from Knowledge Graph. USE WHEN: - 'Кто работает над X?' - filter by works_on - 'С кем общался Y?' - filter by discussed_with - 'Кто из компании Z?' - filter by member_of - 'Что связано с W?' - no filter, get all REQUIRES: entity_id from previous kg.find_ent...
Part of the Dialogbrain server.
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AI agents call kg_get_relationships to retrieve information from Dialogbrain without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though kg_get_relationships only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"kg_get_relationships": {}
}
}See the full Dialogbrain policy for all 157 tools.
These attack patterns abuse exactly the kind of access kg_get_relationships gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Get relationships for a specific entity from Knowledge Graph. USE WHEN: - 'Кто работает над X?' - filter by works_on - 'С кем общался Y?' - filter by discussed_with - 'Кто из компании Z?' - filter by member_of - 'Что связано с W?' - no filter, get all REQUIRES: entity_id from previous kg.find_entity step. Use: {{step_N.entity_id}} where N is the find_entity step number.. It is categorised as a Read tool in the Dialogbrain MCP Server, which means it retrieves data without modifying state.
Register the Dialogbrain MCP server in PolicyLayer and add a rule for kg_get_relationships: 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 Dialogbrain. Nothing to install.
kg_get_relationships 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 kg_get_relationships 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 kg_get_relationships. 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.
kg_get_relationships is provided by the Dialogbrain MCP server (https://api.dialogbrain.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 157 Dialogbrain tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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