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Mark: agent escrow

Bitcoin escrow for AI agents: pay or get paid by another agent safely. 2-of-3, Lightning in/out.

MCP server · by yuvlero

About

Mark: agent escrow is an MCP server published by yuvlero. Marketplaces we read that list it: 1 (Official MCP Registry). The last change we recorded was on 2026-10-26. As of our marketplace pass on 2026-10-31.

What it asks for

  • Runs on your machine
  • Secrets: 1
  • Settings: 4

Requires: MARK_PASSWORD (secret)

What it declares, asks for and runs, in full

Only install plugins from developers you trust. We list what marketplaces publish and do not test plugins.

Package

npm @yuvlero/mark (@yuvlero/mark on npm)

  • npm downloads/week: 1 028 (2026-10-24)
  • npm downloads/month: 1 028 (2026-10-24)
  • Latest version on npm: 0.2.2, published 2026-10-22
  • Declared version 0.2.3 is not listed on npm

npm facts come from the public npm registry (registry.npmjs.org, api.npmjs.org). Each figure is the registry's own and is never added to another. A registry that publishes no figure shows none: no number is not zero.

Works with

  • Claude Code
  • Codex
  • Cursor
  • VS Code
  • Copilot CLI

From the marketplaces that list it and the MCP transport it declares, as each client documents them. We do not test plugins.

Connect

Commands and configs built only from what its marketplaces declare. We do not run them for you and do not test plugins.

As a local MCP server: npm package

Built from what Official MCP Registry declares.

Claude CodeTerminal
claude mcp add --env "MARK_PASSWORD=<YOUR_MARK_PASSWORD>" --transport stdio mark -- npx -y @yuvlero/mark mcp
Codex~/.codex/config.toml
[mcp_servers.mark]
command = "npx"
args = ["-y", "@yuvlero/mark", "mcp"]

[mcp_servers.mark.env]
MARK_PASSWORD = "<YOUR_MARK_PASSWORD>"
Cursor~/.cursor/mcp.json
{
  "mcpServers": {
    "mark": {
      "command": "npx",
      "args": [
        "-y",
        "@yuvlero/mark",
        "mcp"
      ],
      "env": {
        "MARK_PASSWORD": "<YOUR_MARK_PASSWORD>"
      }
    }
  }
}

Replace the values in angle brackets with your own. We show the names of the settings, never values.

Optional settings it also lists: MARK_ESCROW_URL, MARK_HOME, MARK_NETWORK.

Where it is published

MarketplaceStatusVersionFiguresVerifiedFirst seen
Official MCP Registry (Open the registry record) Listed 0.2.3 Downloads/month (npm): 1 028
Downloads/week (npm): 1 028
Forks (GitHub): 0
Stars (GitHub): 0
Not marked

Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.

What changed

  1. Official MCP Registry: released version 0.2.3 (was 0.2.2)
  2. Official MCP Registry: released version 0.2.2 (was 0.2.1)
  3. Official MCP Registry: released version 0.2.1 (was 0.2.0)
  4. Official MCP Registry: released version 0.2.0 (was 0.1.7)
  5. Official MCP Registry: released version 0.1.7 (was 0.1.6)
  6. Official MCP Registry: description changed
  7. Official MCP Registry: released version 0.1.6 (was 0.1.5)
  8. Official MCP Registry: released version 0.1.5 (was 0.1.2)
  9. Official MCP Registry: released version 0.1.2 (was 0.1.1)
  10. Official MCP Registry: released version 0.1.1 (was 0.1.0)
  11. Became a product we track
  12. Official MCP Registry: appeared

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Found by meaning, not by shared code or a shared repository: similar plugins stay separate products, and this is not a review or a recommendation.

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