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get_heapsnapshot_class_nodes

Loads a memory heapsnapshot and returns instances of a specific class with their IDs.

SERVERChrome Devtools SOURCE@async23/chrome-devtools-mcp
Low RISK CLASS
Category Read
Parameters 00 required
Recommended Allowedsee the rule below
Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/async23-chrome-devtools-mcp/get-heapsnapshot-class-nodes.md

What get_heapsnapshot_class_nodes does on Chrome Devtools

AI agents call get_heapsnapshot_class_nodes to retrieve information from Chrome Devtools without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why get_heapsnapshot_class_nodes is rated Low

The tool reads and inspects memory state from a Chrome DevTools heapsnapshot, which is diagnostic/introspection functionality. It retrieves instances of a class and their IDs without creating, modifying, deleting, or executing operations. While it operates within a Chrome automation context, the specific action here is data retrieval for memory analysis, with no side effects on the application or system.

From the tool's definition Tool description states 'Loads a memory heapsnapshot and returns instances' - this is a retrieval operation that queries and returns data about heap memory state without modifying anything.

Questions about get_heapsnapshot_class_nodes

What does the get_heapsnapshot_class_nodes tool do? +

Loads a memory heapsnapshot and returns instances of a specific class with their IDs. It is categorised as a Read tool in the Chrome Devtools MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_heapsnapshot_class_nodes? +

Register the Chrome Devtools MCP server in PolicyLayer and add a rule for get_heapsnapshot_class_nodes: 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 Chrome Devtools. Nothing to install.

What risk level is get_heapsnapshot_class_nodes? +

get_heapsnapshot_class_nodes is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_heapsnapshot_class_nodes? +

Yes. Add a rate_limit block to the get_heapsnapshot_class_nodes 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.

How do I block get_heapsnapshot_class_nodes completely? +

Set action: deny in the PolicyLayer policy for get_heapsnapshot_class_nodes. 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.

What MCP server provides get_heapsnapshot_class_nodes? +

get_heapsnapshot_class_nodes is provided by the Chrome Devtools MCP server (@async23/chrome-devtools-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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