全レイアウトを横断してフィールドを検索します。フィールド名のパターンやフィールドタイプでフィルタリングできます。データベース構造の調査やフィールド命名規則の確認に便利です。
AI agents call fm_global_search_fields to retrieve information from FileMaker MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs non-destructive queries of database schema metadata to discover field definitions and relationships. This is a pure information retrieval operation with no side effects on actual data or system state. Typical use cases like 'investigating database structure' and 'confirming field naming conventions' are read-only analytical activities with minimal blast radius if misused.
From the tool's definition Tool description states it searches fields across all layouts and filters by field name patterns or field types. This is metadata retrieval about database structure (field names, types, layout organization).
Attacks that exploit this kind of access
全レイアウトを横断してフィールドを検索します。フィールド名のパターンやフィールドタイプでフィルタリングできます。データベース構造の調査やフィールド命名規則の確認に便利です。. It is categorised as a Read tool in the FileMaker MCP Server MCP Server, which means it retrieves data without modifying state.
Register the FileMaker MCP Server MCP server in PolicyLayer and add a rule for fm_global_search_fields: 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 FileMaker MCP Server. Nothing to install.
fm_global_search_fields 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 fm_global_search_fields 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 fm_global_search_fields. 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.
fm_global_search_fields is provided by the FileMaker MCP Server MCP server (ta-toshio/filemaker-mcp). 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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