Get corporate/union communication costs
AI agents call get_communication_costs to retrieve information from MCP OpenFEC Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves publicly available campaign finance data about corporate and union communication costs from the FEC. It performs no modifications, deletions, or external operations. The data is informational and read-only, consistent with all sibling tools on this OpenFEC server (get_candidate, get_filings, etc.), which are all Read category.
From the tool's definition Tool name 'get_communication_costs' combined with description 'Get corporate/union communication costs' indicates a retrieval operation.
Attacks that exploit this kind of access
Get corporate/union communication costs. It is categorised as a Read tool in the MCP OpenFEC Server MCP Server, which means it retrieves data without modifying state.
Register the MCP OpenFEC Server MCP server in PolicyLayer and add a rule for get_communication_costs: 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 OpenFEC Server. Nothing to install.
get_communication_costs 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_communication_costs 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_communication_costs. 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_communication_costs is provided by the MCP OpenFEC Server MCP server (psalzman/mcp-openfec). 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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