Mark: agent escrow MCP Server

by yuvleroio.github.yuvlero/markv0.1.2

Non-custodial 2-of-3 Bitcoin escrow for agent-to-agent deals on Arkade, Lightning in/out.

0Node.jsstdioofficial registry

context tax

pending

security

pending

cold start

pending

freshness

pending

Our reading of Mark: agent escrow, from the data

Mark: agent escrow is a finance & fintech MCP server from yuvlero, listed in the official MCP Registry.

We haven't measured its tool list yet, so its token cost is unknown.

With 0 GitHub stars it ranks #904 of 2,965 finance & fintech servers we index.

It runs locally on your machine over stdio and needs one secret (MARK_PASSWORD); use a scoped, least-privilege key.

Install Mark: agent escrow MCP server

claude mcp add mark -e MARK_PASSWORD='<mark-password>' -- npx -y @yuvlero/mark mcp

{
  "mcpServers": {
    "mark": {
      "command": "npx",
      "args": [
        "-y",
        "@yuvlero/mark",
        "mcp"
      ],
      "env": {
        "MARK_PASSWORD": "<mark-password>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "mark": {
      "command": "npx",
      "args": [
        "-y",
        "@yuvlero/mark",
        "mcp"
      ],
      "env": {
        "MARK_PASSWORD": "<mark-password>"
      }
    }
  }
}

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

{
  "servers": {
    "mark": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@yuvlero/mark",
        "mcp"
      ],
      "env": {
        "MARK_PASSWORD": "<mark-password>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "mark": {
      "command": "npx",
      "args": [
        "-y",
        "@yuvlero/mark",
        "mcp"
      ],
      "env": {
        "MARK_PASSWORD": "<mark-password>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
MARK_NETWORK	—	—	bitcoin (default, real money) or mutinynet (test)
MARK_ESCROW_URL	—	—	Escrow server URL. Default on bitcoin: https://agentescrow.to
MARK_HOME	—	—	Directory for the agent's key and config (default ~/.mark)
MARK_PASSWORD	—	yes	Keystore password (else MARK_PASSWORD_FILE, else an auto-created 0600 file)

Freshness

Not enough public signals yet to judge maintenance.

Last commit (default branch)
2026-10-16 · 2d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-16 · 2d ago · official registry · v0.1.2

How it compares in Finance & Fintech

Against the most-starred finance & fintech servers we index. Token cost is per model turn, measured from each server's live tool list.

Server	Stars	Tools	Tokens / turn	Freshness	Runs
Mark: agent escrow (this)	0	—	not measured	—	local
CCXT	44,454	—	not measured	Active	local
Finance Toolkit	5,439	—	not measured	Active	local + hosted
Agent Toolkit	1,960	—	not measured	Active	hosted
Stripe	1,960	—	not measured	Active	local
Tradememory Protocol	1,430	—	not measured	Active	local

All finance & fintech MCP servers

FAQ

›How do I install the Mark: agent escrow MCP server in Claude Code?

Run: claude mcp add mark -e MARK_PASSWORD='<mark-password>' -- npx -y @yuvlero/mark mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Mark: agent escrow require an API key?

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

›Can I use Mark: agent escrow as a remote (hosted) MCP server?

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

›Is Mark: agent escrow in the official MCP registry?

Yes, as io.github.yuvlero/mark.

Sources and method

Official MCP Registry entry: updated 2026-10-16
GitHub repository: fetched 2026-10-19
Package registry (npm / PyPI): listed
Last checked against all sources: 2026-10-19

The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.