Hosting

Local stdio process

Transport

stdio

Endpoint

Local process; no hosted endpoint documented

Authentication

No credentials were configured; the tested read-only tool “get-hmr-events” succeeded in an isolated environment. Other tools may have additional requirements.

Requirements

• Node.js 18+
• The npm package repository matched the repository linked from the public profile.

Setup steps

1. npx -y blowback-context@1.1.1

The server returned 16 tools in tools/list. Only “get-hmr-events” was invoked with a synthetic read-only input and succeeded.

• how-to-use

  Description of how to use the server

  Parameters: section
  01
• start-browser

  Creates a new browser context with an auto-generated unique ID

  Parameters: type, displayName, targetUrl, headless, viewport, tags, purpose
  02
• list-browsers

  Lists all active browser instances

  Parameters: type, tags, includeStats
  03
• close-browser

  Closes a specific browser instance

  Parameters: contextId
  04
• get-context-info

  Gets detailed information about a specific browser instance

  Parameters: contextId
  05
• get-context-stats

  Gets usage statistics for browsers

  Parameters: contextId
  06
• get-hmr-events

  Retrieves recent HMR events

  Parameters: limit
  07
• capture-screenshot

  Captures a screenshot of the current page or a specific element. Stores the screenshot in the MCP resource system and returns a resource URI. If ENABLE_BASE64 environment variable is set to 'true', also includes base64 encoded image in the response.

  Parameters: selector, url, contextId
  08
• get-element-properties

  Retrieves properties and state information of a specific element

  Parameters: selector, properties
  09
• get-element-styles

  Retrieves style information of a specific element

  Parameters: selector, styleProperties
  10
• get-element-dimensions

  Retrieves dimension and position information of a specific element

  Parameters: selector
  11
• monitor-network

  Monitors network requests in the browser for a specified duration

  Parameters: urlPattern, duration
  12
• get-element-html

  Retrieves the HTML content of a specific element and its children with optional depth control

  Parameters: selector, includeOuter, depth
  13
• get-console-logs

  Retrieves console logs from the development server

  Parameters: checkpoint, limit
  14
• execute-browser-commands

  Executes a sequence of predefined browser commands safely. Available commands: - click: Clicks on an element matching the selector or at specified coordinates - type: Types text into an input element - wait: Waits for an element, a specified time period, or a condition - navigate: Navigates to a specified URL - select: Selects an option in a dropdown - check: Checks or unchecks a checkbox - hover: Hovers over an element - focus: Focuses an element - blur: Removes focus from an element - keypress: Simulates pressing a keyboard key - scroll: Scrolls the page or an element - getAttribute: Gets an attribute value from an element - getProperty: Gets a property value from an element - drag: Performs a drag operation from one position to another - refresh: Refreshes the current page Note on coordinates: For all mouse-related commands (click, drag, etc.), coordinates are relative to the browser viewport where (0,0) is the top-left corner. X increases to the right, Y increases downward. Exam

  Parameters: commands, timeout, contextId
  15
• browser-evaluate

  Evaluates JavaScript code directly in the browser context and returns the result. Supports expressions, function strings, and complex code with automatic execution handling. Can target the entire page or work with element handles for precise DOM manipulation. Examples: - Simple expression: "document.title" - Arrow function: "() => document.querySelectorAll('a').length" - Regular function: "function() { return document.body.children.length; }" - Function with arguments: "(tag) => document.getElementsByTagName(tag).length" - Complex code: "() => { const divs = document.querySelectorAll('div'); return { count: divs.length, hasClass: divs[0]?.className }; }" - Async function: "async () => { const res = await fetch('/api'); return res.json(); }"

  Parameters: function, args, element, contextId, timeout, returnType
  16

This server’s available tools can vary by account, permissions, or configuration. The list shown is not its full runtime catalog.

• Runtime verification covered one read-only tool call (get-hmr-events); other listed tools were not individually exercised.

• MCP.Directory public profile

  Name, description, publisher identifier, categories, transport, tool inventory, and install configuration.

• Linked publisher repository

  Repository URL linked from the public profile; npm package repository metadata matched this GitHub repository.

• npm registry metadata

  Published package version 1.1.1 checked before launch. Registry repository: git+https://github.com/ESnark/blowback.git.

Documentation checked 2026-10-28T00:00:00Z. Connection has not been runtime tested.