Semantic search in episode summaries/descriptions
AI agents call search_summaries_semantic to retrieve information from ContextForge MCP Gateway 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 semantic search across episode summaries and descriptions. It retrieves or queries data with no side effects—no creation, modification, deletion, or external execution. The blast radius of misuse is minimal: an attacker could only discover or exfiltrate existing summary content, not alter system state or trigger external operations.
From the tool's definition Tool name 'search_summaries_semantic' and description 'Semantic search in episode summaries/descriptions' indicate a query operation that retrieves and searches existing data without modification, deletion, or execution of arbitrary code.
Attacks that exploit this kind of access
Semantic search in episode summaries/descriptions. It is categorised as a Read tool in the ContextForge MCP Gateway MCP Server, which means it retrieves data without modifying state.
Register the ContextForge MCP Gateway MCP server in PolicyLayer and add a rule for search_summaries_semantic: 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 ContextForge MCP Gateway. Nothing to install.
search_summaries_semantic 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 search_summaries_semantic 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 search_summaries_semantic. 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.
search_summaries_semantic is provided by the ContextForge MCP Gateway MCP server (jrmatherly/mcp-context-forge). 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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