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AI-powered web scraping MCP. Distill pages to Markdown or extract structured data via JSON Schema.
About
AI-powered web scraping MCP. Distill pages to Markdown or extract structured data via JSON Schema.
Security Report
The Thunderbit MCP server is a well-structured toolkit for web scraping and data extraction. It properly requires API key authentication for all operations, handles credentials via environment variables, and uses zod for input validation. The code quality is good with appropriate error handling. No evidence of malicious patterns, data exfiltration, or dangerous operations. Minor code quality observations around broad error catches do not materially impact security. Permissions (network_http, env_vars) align well with the server's purpose as a web scraping/extraction tool. Supply chain analysis found 2 known vulnerabilities in dependencies (0 critical, 2 high severity). Package verification found 1 issue (1 critical, 0 high severity).
8 files analyzed · 7 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
Unverified package source
We couldn't verify that the installable package matches the reviewed source code. Proceed with caution.
What You'll Need
Set these up before or after installing:
Environment variable: THUNDERBIT_API_KEY
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-thunderbit-open-thunderbit-mcp-server": {
"env": {
"THUNDERBIT_API_KEY": "your-thunderbit-api-key-here"
},
"args": [
"-y",
"@thunderbit/thunderbit-cli"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
Thunderbit MCP Server
Open-source toolkit for the Thunderbit Open API — CLI, MCP server, and Claude Code plugin.
This monorepo ships three packages, all backed by the Thunderbit Open API:
| Package | Purpose | Audience |
|---|---|---|
@thunderbit/thunderbit-cli | Command-line tool for distill / extract / batch | Developers, scripts, CI |
@thunderbit/mcp-server | Model Context Protocol server (7 tools) | AI assistants — Claude Desktop, Cursor, Cline, Claude Code |
thunderbit Claude Code plugin | Bundled MCP + 4 skills | Claude Code users |
Get a free API key at app.thunderbit.com/console/api-keys.
Quick Start
CLI
npm i -g @thunderbit/thunderbit-cli
export THUNDERBIT_API_KEY=tb_your_api_key_here
thunderbit distill https://example.com -f markdown
MCP Server (Claude Desktop / Cursor / Cline)
Edit your MCP client config:
{
"mcpServers": {
"thunderbit": {
"command": "npx",
"args": ["-y", "@thunderbit/mcp-server"],
"env": { "THUNDERBIT_API_KEY": "tb_your_api_key_here" }
}
}
}
Claude Code Plugin
claude plugin marketplace add thunderbit-com/thunderbit-mcp-server
claude plugin add thunderbit
export THUNDERBIT_API_KEY=tb_your_api_key_here
What you can do
- Convert any web page into clean, LLM-ready Markdown
- Extract structured data from pages using JSON Schema
- Get AI-suggested fields when you don't know what's on a page
- Run batch jobs on up to 100 URLs at a time
Pricing
Distill — 1 credit. Extract — 20 credits. Suggest fields — free. Batch jobs scale per URL. Status polling is free.
Top up at app.thunderbit.com/console/billing.
Development
git clone https://github.com/thunderbit-com/thunderbit-mcp-server.git
cd thunderbit-mcp-server
# each package is independent
cd packages/mcp-server && npm install
cd packages/cli && npm install
API Reference
The full HTTP contract is documented in openapi.yaml (OpenAPI 3.1) — base URL https://openapi.thunderbit.com, Bearer auth with your THUNDERBIT_API_KEY.
License
MIT © Thunderbit
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