Get the Arquivo.pt PNG render of an archived page. By default
AI agents call get_screenshot to retrieve information from Arquivo Pt without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool merely fetches and returns a visual representation (PNG image) of a previously archived web page. It performs a query-like operation against the archive without modifying, deleting, or executing code. The snapshot already exists in the archive and is simply being retrieved. No side effects, state changes, or destructive operations occur.
From the tool's definition Tool retrieves a PNG screenshot/render of an archived page from Arquivo.pt. The verb 'get' and the read-only nature of retrieving a pre-rendered snapshot indicate data retrieval with no side effects.
Attacks that exploit this kind of access
Get the Arquivo.pt PNG render of an archived page. By default. It is categorised as a Read tool in the Arquivo Pt MCP Server, which means it retrieves data without modifying state.
Register the Arquivo Pt MCP server in PolicyLayer and add a rule for get_screenshot: 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 Arquivo Pt. Nothing to install.
get_screenshot 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_screenshot 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_screenshot. 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_screenshot is provided by the Arquivo Pt MCP server (thaenor/arquivo-pt-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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