Gets the stored descriptions for fields of a specific table (if they exist).
AI agents call get-field-descriptions to retrieve information from Mcp Firebird without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
tableName | string | Yes | Name of the table to get field descriptions for |
Parameters from the server's own tool schema.
This tool queries and retrieves existing metadata (field descriptions) from the database without modifying, executing, or deleting any data. It is a straightforward informational query with no capability to alter database state or trigger external operations. Classified as Read with low severity due to minimal blast radius if misused by an AI agent.
From the tool's definition Tool name 'get-field-descriptions' and description 'Gets the stored descriptions for fields of a specific table' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Gets the stored descriptions for fields of a specific table (if they exist). It is categorised as a Read tool in the Mcp Firebird MCP Server, which means it retrieves data without modifying state.
get-field-descriptions accepts 1 parameter: tableName. Required: tableName. The full parameter table on this page comes from the server's own tool schema.
Register the Mcp Firebird MCP server in PolicyLayer and add a rule for get-field-descriptions: 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 Mcp Firebird. Nothing to install.
get-field-descriptions 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 get-field-descriptions 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 get-field-descriptions. 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.
get-field-descriptions is provided by the Mcp Firebird MCP server (mcp-firebird). 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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