Compatibility intelligence
Explore how MCP implementations handle real failure scenarios across transports.
Latest recorded outcome for each implementation and scenario
| Implementation | Duplicate Response | Bounded Delay | Delay Timeout and Recovery | Hang Timeout/Cancellation and Recovery | Initialize | Injected Disconnect Observed | List All Five Tools | Missing/Invalid JSON-RPC Detection and Recovery | Ping Tool | Protocol Ping | Reject Result-With-Error and Recover | Same-Client Recovery After Disconnect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
C# MCP SDKv2.2.0 | ||||||||||||
Go MCP SDKv1.7.0 | ||||||||||||
MCP Inspector CLIv2.7.0 | — | |||||||||||
Python MCP SDKv2.2.0 | ||||||||||||
Rust MCP SDKv3.4.0 | ||||||||||||
TypeScript MCP SDKv1.30.0 |
Latest records added to the observatory