Get all columns in a card table
AI agents call get_columns to retrieve information from Basecamp MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves structural information about columns in a card table. It performs a query operation that does not create, modify, delete, or execute any changes to data. The verb 'Get' and the passive retrieval nature of the operation clearly place it in the Read category with low severity, as unauthorized access to table structure poses minimal risk compared to modification or deletion of actual data.
From the tool's definition Tool name 'get_columns' and description 'Get all columns in a card table' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Get all columns in a card table. It is categorised as a Read tool in the Basecamp MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Basecamp MCP Server MCP server in PolicyLayer and add a rule for get_columns: 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 Basecamp MCP Server. Nothing to install.
get_columns 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_columns 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_columns. 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_columns is provided by the Basecamp MCP Server MCP server (jhliberty/basecamp-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
get_columns is one line of Basecamp MCP Server'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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