Papex MCP Server

by papexlabsorg.papex/mcpv0.7.3

Papex MCP server: prepare private research drafts for human review in Papex, read public research records, and stage exact supporting files. It cannot sign as you, publish, or make rights statements.

Node.jsstdioofficial registry

context tax

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security

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cold start

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freshness

Active9d ago

Install Papex MCP server

claude mcp add papexlabs -e PAPEX_DELEGATE_PRIVATE_KEY='<papex-delegate-private-key>' -- npx -y @papexlabs/mcp

{
  "mcpServers": {
    "papexlabs": {
      "command": "npx",
      "args": [
        "-y",
        "@papexlabs/mcp"
      ],
      "env": {
        "PAPEX_DELEGATE_PRIVATE_KEY": "<papex-delegate-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "papexlabs": {
      "command": "npx",
      "args": [
        "-y",
        "@papexlabs/mcp"
      ],
      "env": {
        "PAPEX_DELEGATE_PRIVATE_KEY": "<papex-delegate-private-key>"
      }
    }
  }
}

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

{
  "servers": {
    "papexlabs": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@papexlabs/mcp"
      ],
      "env": {
        "PAPEX_DELEGATE_PRIVATE_KEY": "<papex-delegate-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "papexlabs": {
      "command": "npx",
      "args": [
        "-y",
        "@papexlabs/mcp"
      ],
      "env": {
        "PAPEX_DELEGATE_PRIVATE_KEY": "<papex-delegate-private-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
PAPEX_DELEGATE_PRIVATE_KEY	—	yes	Delegate key from Papex → Workspace → Connections (shown once). Needed for any grant. Stays on this computer.
PAPEX_RESEARCH_DRAFT_GRANT_ID	—	—	Grant id that allows preparing private Hypothesis, Discovery and Publication drafts.
PAPEX_RESEARCH_DRAFT_ASSIST_GRANT_ID	—	—	Grant id that allows reading selected private-draft context and proposing changes.
PAPEX_RECORD_ARTIFACT_GRANT_ID	—	—	Grant id that allows proposing supporting artifacts into a private record version.
PAPEX_ARTIFACT_FILE_CUSTODY_GRANT_ID	—	—	Grant id that allows uploading an explicitly selected file set into private quarantine.
PAPEX_SEAL_GRANT_ID	—	—	Grant id that allows DELEGATE seals of selected local files or a draft fingerprint.
PAPEX_CHECKPOINT_GRANT_ID	—	—	Grant id that allows DELEGATE content checkpoints of a local directory.

Freshness

Active — last maintenance signal 9d ago. The newest of the signals below sets the band.

Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-01 · 9d ago · official registry · v0.7.3

FAQ

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

Run: claude mcp add papexlabs -e PAPEX_DELEGATE_PRIVATE_KEY='<papex-delegate-private-key>' -- npx -y @papexlabs/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Papex require an API key?

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

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

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

›Is Papex in the official MCP registry?

Yes, as org.papex/mcp.