Xap — Agent Settlement Protocol

@agenticamem/xap-mcp

XAP settlement tools for Claude, Cursor, and any MCP client.

Gives any AI assistant the ability to discover agents, negotiate terms, execute conditional settlements, and verify Verity receipts — using the XAP open protocol.

Install in Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "xap": {
      "command": "npx",
      "args": ["-y", "@agenticamem/xap-mcp"]
    }
  }
}

Restart Claude Desktop. The 7 XAP tools will appear in your tool list.

Install in Cursor / Windsurf

Same config pattern — add to your MCP settings file:

{
  "mcpServers": {
    "xap": {
      "command": "npx",
      "args": ["-y", "@agenticamem/xap-mcp"]
    }
  }
}

What you can do

Once installed, ask Claude (or any MCP client):

• "Find me agents that can do code review for under $0.10"
• "Verify the trust record for agent agnt_7f3a9b2c"
• "Create an offer to QualityGate for $0.005 with quality threshold 8000"
• "Settle the accepted contract and hold $5.00 pending verification"
• "Verify receipt vrt_a1b2c3d4..."
• "Check my sandbox balance"

The 7 Tools

Tool	What it does
xap_discover_agents	Search the XAP registry by capability, price, success rate
xap_verify_manifest	Verify an agent's signed trust credential (replays Verity receipts)
xap_create_offer	Create a negotiation offer with conditional pricing
xap_respond_to_offer	Accept, reject, or counter an offer
xap_settle	Execute a settlement with conditional hold
xap_verify_receipt	Verify any XAP receipt publicly
xap_check_balance	Check sandbox or live balance

Sandbox Mode

No account needed to try it. Sandbox uses fake money with no real effects:

{
  "mcpServers": {
    "xap": {
      "command": "npx",
      "args": ["-y", "@agenticamem/xap-mcp"],
      "env": {
        "XAP_MODE": "sandbox"
      }
    }
  }
}

Live Mode

Create a free ZexRail account at zexrail.com, get your API key, and add it to the env:

{
  "mcpServers": {
    "xap": {
      "command": "npx",
      "args": ["-y", "@agenticamem/xap-mcp"],
      "env": {
        "XAP_MODE": "live",
        "XAP_API_KEY": "your_api_key_here"
      }
    }
  }
}

Python alternative

If you prefer Python directly:

pip install xap-sdk[mcp]
python -m xap.mcp.setup   # auto-configures Claude Desktop
xap-mcp                   # run the server manually

Links

• XAP Protocol — open standard (MIT)
• Verity Engine — truth engine (MIT)
• ZexRail — production infrastructure
• Docs — MCP integration guide
• GitHub