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mcp/skillhub

Substrate Browser MCP Server

by manuelinuxkrio.github.manuelinuxkr/substrate-browserv2.0.2

Token-first headless browser for AIs. Extracts a tiny semantic graph, cutting HTML bloat by 95%.

1Node.jsstdioofficial registry

context tax

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security

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cold start

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freshness

Maintained38d ago

Install Substrate Browser MCP server

Install in Claude Code

claude mcp add substrate-browser -- npx -y substrate-browser

Configuration

VariableRequiredSecretDescription
SUBSTRATE_PROXY——Optional egress proxy URL (http/socks) to route all Chromium traffic through, mitigating SSRF and DNS rebinding risks.
SUBSTRATE_VIEWPORT_WIDTH——Browser viewport width in pixels (Default: 1280)
SUBSTRATE_VIEWPORT_HEIGHT——Browser viewport height in pixels (Default: 800)

Freshness

Maintained — last maintenance signal 38d ago. The newest of the signals below sets the band.

  1. Last commit (default branch)

    2026-09-01 · 38d ago · GitHub

  2. Latest release

    no data · GitHub

  3. Package published

    no data · npm/PyPI

  4. Registry entry updated

    2026-09-01 · 38d ago · official registry · v2.0.2

FAQ

›How do I install the Substrate Browser MCP server in Claude Code?

Run: claude mcp add substrate-browser -- npx -y substrate-browser. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Substrate Browser require an API key?

No required environment variables are declared in its published metadata.

›Can I use Substrate Browser as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Substrate Browser in the official MCP registry?

Yes, as io.github.manuelinuxkr/substrate-browser.

Alternatives to Substrate Browser

Other browser automation MCP servers.

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