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MCP 2026 Compatibility Gateway
x402
MCP 2026 Compatibility Gateway is a paid API for AI agents from phion.systems, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-14).
Validates whether an MCP server implementation is compatible with the 2026 MCP protocol specification, including method and stateless-discovery requirements
Price / call$0.002
Success—
StatusUnknown
How this service works
Validate MCP protocol, method and stateless-discovery compatibility
Output
A structured report indicating whether the target MCP server is compatible with the MCP 2026 protocol specification, with detailed results covering method conformance and stateless-discovery compliance, plus specific incompatibility details where applicable.
Example use cases
Pre-deployment MCP compliance check
“Before I go live, can you validate that my MCP server at https://tools.mycompany.com passes the MCP 2026 protocol and stateless-discovery requirements?”
Debugging MCP method incompatibility
“My MCP integration keeps failing — can you run the MCP 2026 compatibility check on https://dev.mytools.io and tell me which methods or discovery settings are non-conformant?”
Certifying third-party MCP tool
“I'm evaluating a vendor's MCP server at https://vendor-tools.example.net — can you validate whether it meets the MCP 2026 standard including stateless discovery before I integrate it?”
Technical details
Endpoint
POSThttps://phion.systems/v1/paid/trust/mcp-2026-compatibility-gateway?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically verify that an MCP server implementation conforms to the 2026 MCP protocol standard — particularly before deploying an agent integration, onboarding a third-party tool provider, or debugging MCP method or stateless-discovery failures. Prefer it over manual inspection or generic HTTP validators when you specifically need MCP 2026 protocol-level compliance assurance.
Side effects
- Unreachable or offline target MCP server returns connectivity error
- Invalid or malformed MCP server URL results in validation failure
- Server implements an unrecognized or pre-2026 protocol version causing parse errors
- Partial compatibility where some methods pass and others fail, requiring careful interpretation
- Timeout if the target server is slow to respond during discovery probing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| outputrequired | object |
Output
Schema · Response
{
"type": "json"
}Tags
x402
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