Mcp Server
by rapiercraftofficialv1.1.1
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AlterLab MCP Server enables scraping of any website, extracting structured data, and taking screenshots while automatically bypassing anti-bot measures.
From the registry: Web scraping MCP server — scrape, extract structured data, screenshot any site with anti-bot bypass.
Install & configure
Prerequisites
- requiredAlterLab API KeySign up at app.alterlab.io for a free API key ($1 free balance).https://app.alterlab.io/signin
Install in your client
Paste into the AI you're chatting with — it will figure out the rest
Please install the `mcp-server-rapiercraft` MCP server into my current AI client (that's you).
Required prerequisites (do these first if not already done):
- **AlterLab API Key** — Sign up at app.alterlab.io for a free API key ($1 free balance). (https://app.alterlab.io/signin)
Canonical MCP server config (stdio transport):
- command: `npx`
- args: ["-y","alterlab-mcp-server"]
- required environment variables:
- `ALTERLAB_API_KEY`: AlterLab API key. (example: `<your-api-key>`)
- optional environment variables:
- `ALTERLAB_API_URL`: Override API base URL. (example: `https://api.alterlab.io`)
Add this MCP server to my current client's config in the correct format for you. If you need secrets or credentials I haven't provided, ASK me — do not invent values or leave raw placeholders. After adding it, tell me how to verify the server is connected.Tools (9)
alterlab_scrape
Scrapes a URL and returns its content in various formats while handling anti-bot protection.
alterlab_extract
Extracts structured fields from a webpage using pre-built profiles or custom JSON Schema.
alterlab_screenshot
Takes a full-page screenshot of any URL.
alterlab_estimate_cost
Estimates the cost of scraping a URL before running it.
alterlab_check_balance
Checks the account balance and total spent.
alterlab_list_sessions
Lists all stored sessions for authenticated scraping.
alterlab_create_session
Creates a new stored session with cookies from a logged-in browser.
alterlab_validate_session
Validates whether a stored session is still active.
alterlab_delete_session
Permanently deletes a stored session and its cookies.
Environment variables
ALTERLAB_API_KEYrequiredAPI key for authenticating requests to the AlterLab service.Packages
alterlab-mcp-server
npmv1.1.1transport: stdio
Details
- Language
- TypeScript
- License
- MIT
- Released
- Mar 31, 2026
- Last commit
- Aug 3, 2026
- Registry name
- io.alterlab/mcp-server