Signal8 MCP Server

by signal8aiai.signal8/mcpv0.17.0

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Active4d ago

Install Signal8 MCP server

claude mcp add signal8ai -e SIGNAL8_API_KEY='<signal8-api-key>' -- npx -y @signal8ai/mcp

{
  "mcpServers": {
    "signal8ai": {
      "command": "npx",
      "args": [
        "-y",
        "@signal8ai/mcp"
      ],
      "env": {
        "SIGNAL8_API_KEY": "<signal8-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "signal8ai": {
      "command": "npx",
      "args": [
        "-y",
        "@signal8ai/mcp"
      ],
      "env": {
        "SIGNAL8_API_KEY": "<signal8-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "signal8ai": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@signal8ai/mcp"
      ],
      "env": {
        "SIGNAL8_API_KEY": "<signal8-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "signal8ai": {
      "command": "npx",
      "args": [
        "-y",
        "@signal8ai/mcp"
      ],
      "env": {
        "SIGNAL8_API_KEY": "<signal8-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
SIGNAL8_API_KEY	yes	yes	Signal8 API key (starts with sk_live_ or sk_test_). Create one at https://signal8.ai/settings/api-keys.

Remote endpoints

streamable-httphttps://mcp.signal8.ai/mcp

Freshness

Active — last maintenance signal 4d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-06 · 4d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-06 · 4d ago · official registry · v0.17.0

FAQ

›How do I install the Signal8 MCP server in Claude Code?

Run: claude mcp add signal8ai -e SIGNAL8_API_KEY='<signal8-api-key>' -- npx -y @signal8ai/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Signal8 require an API key?

Yes. It expects SIGNAL8_API_KEY, of which 1 is a secret.

›Can I use Signal8 as a remote (hosted) MCP server?

Yes — it offers both a hosted endpoint and a local stdio package.

›Is Signal8 in the official MCP registry?

Yes, as ai.signal8/mcp.