Loads a memory heapsnapshot and returns all available information including statistics, static data, and aggregated node information. Supports pagination for aggregates.
AI agents call get_memory_snapshot_details to retrieve information from Opera DevTools MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool inspects and retrieves heap snapshot details from an already-captured memory snapshot. It performs no modifications, deletions, or side effects—only queries and returns diagnostic memory data. This is purely informational analysis falling squarely under the Read category. The blast radius of misuse is minimal; an attacker could learn about application memory layout but cannot alter it or trigger execution.
From the tool's definition Tool description states it 'Loads a memory heapsnapshot and returns all available information' - a retrieval operation with no modification of data. The verb 'Loads' and 'returns' indicate read-only inspection of existing heap snapshot data.
Attacks that exploit this kind of access
Loads a memory heapsnapshot and returns all available information including statistics, static data, and aggregated node information. Supports pagination for aggregates. It is categorised as a Read tool in the Opera DevTools MCP MCP Server, which means it retrieves data without modifying state.
Register the Opera DevTools MCP server in PolicyLayer and add a rule for get_memory_snapshot_details: 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 Opera DevTools MCP. Nothing to install.
get_memory_snapshot_details 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_memory_snapshot_details 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_memory_snapshot_details. 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_memory_snapshot_details is provided by the Opera DevTools MCP server (operasoftware/opera-devtools-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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