KG-NINJA

Agent Verification Utility MCP Server

Remote Model Context Protocol server at https://agent-economy.kgninja.dev/mcp — stateless Streamable HTTP, POST only (GET returns 405), serverInfo dev.kgninja/agent-verification-utility 0.4.3, protocol version 2025-06-18 negotiated live and 2026-07-28 declared on the server card. initialize and tools/list answer anonymously with five tools carrying real inputSchemas and MCP annotations: four free (describe_verify_evidence, get_revenue_goal_status, quote_verify_evidence, prepare_verify_evidence_purchase) and one paid (verify_evidence), whose unpaid call returns an x402 v2 PaymentRequired document in _meta["x402/error"] and is retried with _meta["x402/payment"]. resources/list and prompts/list are not implemented. Published alongside it: an MCP Registry server.json, an experimental MCP Server Card, a Cloudflare Agent Readiness card at /.well-known/mcp/server-card.json (aliased at /.well-known/mcp.json), a registry HTTP ownership proof and a browser WebMCP bridge (webmcp.js).

GitHub

Documentation

📖
Documentation
https://agent-economy.kgninja.dev/docs/mcp-x402-interoperability

Other Resources

🔗
MCPServer
https://raw.githubusercontent.com/api-evangelist/kgninja-dev/refs/heads/main/mcp/kgninja-dev-mcp.yml
🔗
MCPServer
https://agent-economy.kgninja.dev/mcp
🔗
ToolCrosswalk
https://raw.githubusercontent.com/api-evangelist/kgninja-dev/refs/heads/main/mcp/kgninja-dev-tool-crosswalk.yml

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API entry from apis.yml

apis.yml Raw ↑ 
aid: kgninja-dev:agent-verification-utility-mcp-server
name: Agent Verification Utility MCP Server
image: https://agent-economy.kgninja.dev/icon.svg
description: 'Remote Model Context Protocol server at https://agent-economy.kgninja.dev/mcp — stateless
  Streamable HTTP, POST only (GET returns 405), serverInfo dev.kgninja/agent-verification-utility 0.4.3,
  protocol version 2025-06-18 negotiated live and 2026-07-28 declared on the server card. initialize and
  tools/list answer anonymously with five tools carrying real inputSchemas and MCP annotations: four free
  (describe_verify_evidence, get_revenue_goal_status, quote_verify_evidence, prepare_verify_evidence_purchase)
  and one paid (verify_evidence), whose unpaid call returns an x402 v2 PaymentRequired document in _meta["x402/error"]
  and is retried with _meta["x402/payment"]. resources/list and prompts/list are not implemented. Published
  alongside it: an MCP Registry server.json, an experimental MCP Server Card, a Cloudflare Agent Readiness
  card at /.well-known/mcp/server-card.json (aliased at /.well-known/mcp.json), a registry HTTP ownership
  proof and a browser WebMCP bridge (webmcp.js).'
humanURL: https://agent-economy.kgninja.dev/docs/mcp-x402-interoperability
baseURL: https://agent-economy.kgninja.dev/mcp
tags:
- MCP
- Agent-Native
- x402
tags_raw:
- MCP
- agent-native
- x402
properties:
- type: MCPServer
  url: mcp/kgninja-dev-mcp.yml
- type: MCPServer
  name: MCP endpoint (Streamable HTTP)
  url: https://agent-economy.kgninja.dev/mcp
- type: ToolCrosswalk
  url: mcp/kgninja-dev-tool-crosswalk.yml
- type: Documentation
  url: https://agent-economy.kgninja.dev/docs/mcp-x402-interoperability