latest_gov_uk
AI agents call latest_gov_uk to retrieve information from Govuk Search without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Based on the server's documented purpose and naming convention, this tool retrieves or queries data (latest publications) from GOV.UK with no side effects or data modification. The lack of a tool-specific description lowers confidence slightly, but the server context clearly establishes a read-only search/fetch pattern.
From the tool's definition Server description states 'fetching latest publications using the GOV.UK Search API' and tool name 'latest_gov_uk' indicates retrieval of recent content.
Attacks that exploit this kind of access
latest_gov_uk. It is categorised as a Read tool in the Govuk Search MCP Server, which means it retrieves data without modifying state.
Register the Govuk Search MCP server in PolicyLayer and add a rule for latest_gov_uk: 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 Govuk Search. Nothing to install.
latest_gov_uk 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 latest_gov_uk 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 latest_gov_uk. 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.
latest_gov_uk is provided by the Govuk Search MCP server (jaearly/govuk-search-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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