io.github.ChromeDevTools/chrome-devtools-mcp

close_heapsnapshot

Closes a previously loaded memory heapsnapshot, freeing its memory.

close_page

Closes the page by its index. The last open page cannot be closed.

compare_heapsnapshots

Loads two memory heapsnapshots and returns the comparison. If classIndex is provided, returns detailed diff for that class, otherwise returns summary diff.

get_heapsnapshot_class_nodes

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

get_heapsnapshot_details

Loads a memory heapsnapshot and returns all available information including statistics, static data, and aggregated node information. Supports pagination for aggregates.

get_heapsnapshot_dominators

Loads a memory heapsnapshot and returns the dominator chain for a specific node ID. This helps to identify which objects are keeping the target node alive.

get_heapsnapshot_duplicate_strings

Loads a memory heapsnapshot and returns duplicate strings grouped by their value.

get_heapsnapshot_edges

Loads a memory heapsnapshot and returns outgoing edges (references) for a specific node ID.

get_heapsnapshot_retainers

Loads a memory heapsnapshot and returns retainers for a specific node ID.

get_heapsnapshot_retaining_paths

Loads a memory heapsnapshot and returns retaining paths for a specific node ID. This helps to understand why a node is not being garbage collected.

get_heapsnapshot_summary

Loads a memory heapsnapshot and returns snapshot summary stats.

install_extension

Installs a Chrome extension from the given path.

list_extensions

Lists all the Chrome extensions installed in the browser. This includes their name, ID, version, and enabled status.

reload_extension

Reloads an unpacked Chrome extension by its ID.

select_page

Select a page as a context for future tool calls.

trigger_extension_action

Triggers the default action of an extension by its ID.

uninstall_extension

Uninstalls a Chrome extension by its ID.