proxy-mcp

Instructions

Implementation Reference

• src/tools/devtools.ts:630-660 (handler)

  Implementation of the interceptor_chrome_devtools_snapshot tool handler.

  server.tool(
    "interceptor_chrome_devtools_snapshot",
    "Take an accessibility snapshot from the bound Chrome DevTools session.",
    {
      devtools_session_id: z.string().describe("Session ID from interceptor_chrome_devtools_attach"),
      verbose: z.boolean().optional().default(false).describe("Include full a11y tree details"),
    },
    async ({ devtools_session_id, verbose }) => {
      try {
        const { targetId } = await ensureSessionTargetIsAlive(devtools_session_id);
        const devtoolsResult = await devToolsBridge.callAction(
          devtools_session_id,
          "snapshot",
          { verbose },
        );
        return {
          content: [{
            type: "text",
            text: truncateResult({
              status: "success",
              devtools_session_id,
              target_id: targetId,
              devtoolsResult: sanitizeDevToolsPayload(devtoolsResult),
            }),
          }],
        };
      } catch (e) {
        return { content: [{ type: "text", text: JSON.stringify({ status: "error", error: errorToString(e) }) }] };
      }
    },
  );