Verify integrity of a single frame. Checks: - Content checksum - Metadata integrity - Index consistency Args: file: Path to the .mv2 memory file frame_id: Frame ID to verify Returns: {
AI agents call memvid_verify_single_file to retrieve information from Memvid without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs integrity verification and consistency checks on existing data (checksum validation, metadata inspection, index verification). These are passive inspection operations that retrieve and validate information without creating, modifying, deleting, or executing operations. No side effects are indicated. This is a classic Read operation—it queries state to validate correctness.
From the tool's definition Tool name 'verify_single_file' and description stating it 'Checks: Content checksum, Metadata integrity, Index consistency' with Returns field indicates read-only verification operations that inspect data without modification.
Attacks that exploit this kind of access
Verify integrity of a single frame. Checks: - Content checksum - Metadata integrity - Index consistency Args: file: Path to the .mv2 memory file frame_id: Frame ID to verify Returns: {. It is categorised as a Read tool in the Memvid MCP Server, which means it retrieves data without modifying state.
Register the Memvid MCP server in PolicyLayer and add a rule for memvid_verify_single_file: 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 Memvid. Nothing to install.
memvid_verify_single_file 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 memvid_verify_single_file 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 memvid_verify_single_file. 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.
memvid_verify_single_file is provided by the Memvid MCP server (tapiocapioca/memvid-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
memvid_verify_single_file is one line of Memvid'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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