US federal campaign finance from the FEC (openFEC). Two modes: pass name to search candidates (returns FEC candidate id, party, office, state, district, incumbent/challenger, status, election cycles); or pass candidateId (e.g. P80000722) to get that candidate\
AI agents call gov.fec to retrieve information from Mcp without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries publicly available US federal campaign finance data from the FEC's openFEC API. It supports two read-only operations: searching candidates by name and retrieving candidate details by ID. Neither operation modifies data, executes code, deletes records, or commits financial transactions. The information returned is already public. This is a straightforward data retrieval tool with minimal risk.
From the tool's definition Tool description states 'pass name to search candidates (returns FEC candidate id, party, office, state, district, incumbent/challenger, status, election cycles)' and 'pass candidateId to get that candidate' — purely retrieval operations with no side effects.
Attacks that exploit this kind of access
US federal campaign finance from the FEC (openFEC). Two modes: pass name to search candidates (returns FEC candidate id, party, office, state, district, incumbent/challenger, status, election cycles); or pass candidateId (e.g. P80000722) to get that candidate\. It is categorised as a Read tool in the Mcp MCP Server, which means it retrieves data without modifying state.
Register the MCP server in PolicyLayer and add a rule for gov.fec: 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. Nothing to install.
gov.fec 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 gov.fec 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 gov.fec. 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.
gov.fec is provided by the MCP server (@2sio/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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