Search content across Capacities spaces. Returns matching object titles and IDs (not full content, API limitation).
AI agents call capacities_search to retrieve information from Capacities MCP Worker without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only search query that returns titles and IDs from the Capacities knowledge base. It has no side effects, creates no data, executes no external operations, and cannot delete or modify existing records. The low severity reflects minimal blast radius: even unrestricted search access exposes only what the user already has access to in their own knowledge base.
From the tool's definition Tool description states 'Search content across Capacities spaces. Returns matching object titles and IDs (not full content, API limitation)' — explicitly a search operation that retrieves data without modification.
Attacks that exploit this kind of access
Search content across Capacities spaces. Returns matching object titles and IDs (not full content, API limitation). It is categorised as a Read tool in the Capacities MCP Worker MCP Server, which means it retrieves data without modifying state.
Register the Capacities MCP Worker MCP server in PolicyLayer and add a rule for capacities_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 Capacities MCP Worker. Nothing to install.
capacities_search 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 capacities_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.
Set action: deny in the PolicyLayer policy for capacities_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.
capacities_search is provided by the Capacities MCP Worker MCP server (tieubao/capacities-mcp-worker). 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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