# Agent Verification Utility MCP Server

**Canonical:** https://apis.io/apis/kgninja-dev/agent-verification-utility-mcp-server/  
**Provider:** KG-NINJA — https://apis.io/providers/kgninja-dev/  
**Base URL:** https://agent-economy.kgninja.dev/mcp  
**Documentation:** https://agent-economy.kgninja.dev/docs/mcp-x402-interoperability

Agent Verification Utility MCP Server is one of 3 APIs that [KG-NINJA](https://apis.io/providers/kgninja-dev/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include MCP, Agent-Native, and x402. The published artifact set on APIs.io includes API documentation.

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).

## Machine-readable artifacts (4)

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

## Other KG-NINJA APIs (2)

- [Agent Verification Utility API](https://apis.io/apis/kgninja-dev/agent-verification-utility-api/)
- [Agent Verification Utility A2A Agent](https://apis.io/apis/kgninja-dev/agent-verification-utility-a2a-agent/)

## Tags

MCP, Agent-Native, x402

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/kgninja-dev/agent-verification-utility-mcp-server/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/kgninja-dev/.