AI agents call snow_fuzzy_search to retrieve information from Serac without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves search results with relevance scoring from ServiceNow tables. There are no side effects, no data modification, no command execution, and no destructive operations. It is purely a query/retrieval mechanism, fitting squarely in the Read category with low risk since search operations have minimal blast radius even if misused by an AI agent.
From the tool's definition Tool performs 'fuzzy search across tables' and 'Returns sys_id + name + relevance_score' — it retrieves and queries data without modifying, creating, deleting, or executing operations. Uses 'LIKE/CONTAINS queries' which are read-only database operations.
Attacks that exploit this kind of access
Perform fuzzy search across tables with relevance scoring. Returns sys_id + name + relevance_score for each match. Uses LIKE/CONTAINS queries and ranks by similarity. It is categorised as a Read tool in the Serac MCP Server, which means it retrieves data without modifying state.
Register the Serac MCP server in PolicyLayer and add a rule for snow_fuzzy_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 Serac. Nothing to install.
snow_fuzzy_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 snow_fuzzy_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 snow_fuzzy_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.
snow_fuzzy_search is provided by the Serac MCP server (serac-labs/serac). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
snow_fuzzy_search is one line of Serac'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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