Koskamo

Lockbox MCP

Lockbox enables agents to securely share API keys and private files with teammates' agents via end-to-end encryption. It allows sending secrets from local environments like .env files, receiving them securely, and requesting specific keys, ensuring sensitive data never passes through chat interfaces or unencrypted channels.

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Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

Lockbox MCP logo, by OpslaneVendor evidenceStreamable HTTPOAuth sign-inEndpoint checked 2026-10-26Operated by Opslane
You need:Install the CLI: npm i -g @opslane/lockbox
MCP endpoint (Streamable HTTP)
https://lockbox.run/mcp
Vendor documentation

What you can do with it

  • Send API keys from .env to a teammate's agent
  • Receive encrypted secrets into local environment
  • Request specific keys from another user's agent

Source and maintenance

Vendor evidenceRegistry 0.1.0MIT
mcp-registry: run.lockbox/lockbox@0.1.0Source repositoryProject website
Last repository push
Maintenance checked

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · unchanged
  • · repository · passed · metadata changed · updated
  • · registry · passed · metadata changed · Source metadata updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http lockbox-mcp https://lockbox.run/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add lockbox-mcp --url https://lockbox.run/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable lockbox-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "lockbox-mcp": {
      "url": "https://lockbox.run/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "lockbox-mcp": {
      "type": "streamableHttp",
      "url": "https://lockbox.run/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start lockbox-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "lockbox-mcp": {
      "type": "http",
      "url": "https://lockbox.run/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http lockbox-mcp https://lockbox.run/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "lockbox-mcp": {
      "url": "https://lockbox.run/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "lockbox-mcp": {
      "serverUrl": "https://lockbox.run/mcp"
    }
  }
}

Let your agent find its tools

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