INDIVIDUAL MCP TOOL

topup_endpoint_with_payment

Complete an endpoint credit top-up after you have obtained a valid X-Payment payload.

x402layer.ccnone authenticationAvailability not checked

Input schema

{}

Potential side effects detected · medium confidence · heuristic, not a guarantee.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.singularity-mcp]
url = "https://mcp.x402layer.cc/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "singularity-mcp": {
      "type": "http",
      "url": "https://mcp.x402layer.cc/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: singularity-mcp
Remote MCP URL: https://mcp.x402layer.cc/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "singularity-mcp": {
      "url": "https://mcp.x402layer.cc/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "singularity-mcp": {
      "type": "http",
      "url": "https://mcp.x402layer.cc/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "singularity-mcp",
  "transport": "streamable-http",
  "url": "https://mcp.x402layer.cc/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

browse_marketplace — Browse and search the Singularity Marketplace with various filters.
get_listing — Get detailed information about a specific marketplace listing by its slug.
get_featured — Get featured marketplace listings (endpoints and products highlighted by the platform).
get_top_rated — Get top-rated marketplace listings sorted by average rating.
get_agent — Get details for a specific ERC-8004 or Solana-8004 agent by network and identifier.
list_categories — List all available marketplace categories.
list_networks — List all supported blockchain networks.
list_agents — List all registered ERC-8004 and Solana-8004 agents.