Prism — Crossdeck MCP Server
by crossdeckhqcom.cross-deck/prismv0.4.0
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Maintained38d ago
Install Prism — Crossdeck MCP server
Install in Claude Code
claude mcp add ai-crossdeckhq -e CROSSDECK_SECRET_KEY='<crossdeck-secret-key>' -- npx -y @cross-deck/aiInstall in Cursor
{
"mcpServers": {
"ai-crossdeckhq": {
"command": "npx",
"args": [
"-y",
"@cross-deck/ai"
],
"env": {
"CROSSDECK_SECRET_KEY": "<crossdeck-secret-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"ai-crossdeckhq": {
"command": "npx",
"args": [
"-y",
"@cross-deck/ai"
],
"env": {
"CROSSDECK_SECRET_KEY": "<crossdeck-secret-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"ai-crossdeckhq": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@cross-deck/ai"
],
"env": {
"CROSSDECK_SECRET_KEY": "<crossdeck-secret-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"ai-crossdeckhq": {
"command": "npx",
"args": [
"-y",
"@cross-deck/ai"
],
"env": {
"CROSSDECK_SECRET_KEY": "<crossdeck-secret-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| CROSSDECK_SECRET_KEY | yes | yes | Your Crossdeck secret key (cd_sk_…) from the dashboard → API keys. Server-side only; never a publishable key. |
| CROSSDECK_API_BASE | — | — | Override the API base URL (e.g. for sandbox). Optional. |
Remote endpoints
- streamable-http
https://api.cross-deck.com/mcp
Freshness
Maintained — last maintenance signal 38d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-02 · 38d ago · GitHub
Latest release
2026-09-02 · 38d ago · GitHub · v0.4.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-02 · 38d ago · official registry · v0.4.0
FAQ
›How do I install the Prism — Crossdeck MCP server in Claude Code?
Run: claude mcp add ai-crossdeckhq -e CROSSDECK_SECRET_KEY='<crossdeck-secret-key>' -- npx -y @cross-deck/ai. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Prism — Crossdeck require an API key?
Yes. It expects CROSSDECK_SECRET_KEY, of which 1 is a secret.
›Can I use Prism — Crossdeck as a remote (hosted) MCP server?
Yes — it offers both a hosted endpoint and a local stdio package.
›Is Prism — Crossdeck in the official MCP registry?
Yes, as com.cross-deck/prism.