Prism MCP Server

by dcostencoio.github.dcostenco/prism-coderv20.21.19

Session memory for coding agents: local-first recall, drift detection, on-device inference.

158Node.jsstdioofficial registry

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Active1d ago

Install Prism MCP server

claude mcp add prism -e BRAVE_API_KEY='<brave-api-key>' -e GEMINI_API_KEY='<gemini-api-key>' -e SUPABASE_KEY='<supabase-key>' -- npx -y prism-mcp-server

{
  "mcpServers": {
    "prism": {
      "command": "npx",
      "args": [
        "-y",
        "prism-mcp-server"
      ],
      "env": {
        "BRAVE_API_KEY": "<brave-api-key>",
        "GEMINI_API_KEY": "<gemini-api-key>",
        "SUPABASE_KEY": "<supabase-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "prism": {
      "command": "npx",
      "args": [
        "-y",
        "prism-mcp-server"
      ],
      "env": {
        "BRAVE_API_KEY": "<brave-api-key>",
        "GEMINI_API_KEY": "<gemini-api-key>",
        "SUPABASE_KEY": "<supabase-key>"
      }
    }
  }
}

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

{
  "servers": {
    "prism": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "prism-mcp-server"
      ],
      "env": {
        "BRAVE_API_KEY": "<brave-api-key>",
        "GEMINI_API_KEY": "<gemini-api-key>",
        "SUPABASE_KEY": "<supabase-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "prism": {
      "command": "npx",
      "args": [
        "-y",
        "prism-mcp-server"
      ],
      "env": {
        "BRAVE_API_KEY": "<brave-api-key>",
        "GEMINI_API_KEY": "<gemini-api-key>",
        "SUPABASE_KEY": "<supabase-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
BRAVE_API_KEY	—	yes	Brave Search API key for web search tools
GEMINI_API_KEY	—	yes	Google Gemini API key for AI-powered summarization and embeddings
SUPABASE_URL	—	—	Supabase project URL for session memory and knowledge persistence
SUPABASE_KEY	—	yes	Supabase service role key for database access
PRISM_USER_ID	—	—	User ID for multi-tenant row-level security isolation (defaults to 'default')
GCP_PROJECT_ID	—	—	Google Cloud project ID for Vertex AI Discovery Engine integration
VERTEX_LOCATION	—	—	Vertex AI location/region (defaults to 'global')
VERTEX_DATA_STORE_ID	—	—	Vertex AI Discovery Engine data store ID for enterprise search

Freshness

Active — last maintenance signal 1d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-08 · 1d ago · GitHub
Latest release
2026-05-10 · 5mo ago · GitHub · v15.2.1
Package published
no data · npm/PyPI
Registry entry updated
2026-10-04 · 5d ago · official registry · v20.21.19

FAQ

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

Run: claude mcp add prism -e BRAVE_API_KEY='<brave-api-key>' -e GEMINI_API_KEY='<gemini-api-key>' -e SUPABASE_KEY='<supabase-key>' -- npx -y prism-mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Prism require an API key?

Yes. It expects BRAVE_API_KEY, GEMINI_API_KEY, SUPABASE_KEY, of which 3 are secrets.

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

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

›Is Prism in the official MCP registry?

Yes, as io.github.dcostenco/prism-coder.