kg_search

Search for entities in the knowledge graph by name or description. Uses full-text search with ranking.

SERVERCoWork OS SOURCECoWork-OS/CoWork-OS

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/cowork-os/kg-search.md

WHAT IT DOES

What kg_search does on CoWork OS

AI agents call kg_search to retrieve information from CoWork OS without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why kg_search is rated Low

This tool retrieves information from a knowledge graph without creating, modifying, deleting, or executing any operations. It is purely a read/search operation that returns ranked results based on input queries.

From the tool's definition Tool performs 'Search for entities in the knowledge graph by name or description' with 'full-text search with ranking' - a query operation with no data modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs kg_search safely

PolicyLayer is an MCP gateway: it sits between your AI agents and CoWork OS, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For kg_search, this is the rule to start with:

kg_search Allowed

kg_search is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "kg_search": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect CoWork OS, apply this rule, and every kg_search call is checked against it from then on.

FAQ

Questions about kg_search

What does the kg_search tool do? +

Search for entities in the knowledge graph by name or description. Uses full-text search with ranking. It is categorised as a Read tool in the CoWork OS MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on kg_search? +

Register the CoWork OS MCP server in PolicyLayer and add a rule for kg_search: 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 CoWork OS. Nothing to install.

What risk level is kg_search? +

kg_search is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit kg_search? +

Yes. Add a rate_limit block to the kg_search 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.

How do I block kg_search completely? +

Set action: deny in the PolicyLayer policy for kg_search. 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.

What MCP server provides kg_search? +

kg_search is provided by the CoWork OS MCP server (CoWork-OS/CoWork-OS). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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