MCP Protocol Tools
Utilities for MCP protocol versions, stateless server discovery, JSON-RPC messages, capabilities, transport behavior and protocol debugging.
Server Discover Request Builder
Build server/discover requests for MCP 2026-07-28.
ProtocolServer Discover Response Validator
Validate discovery response structure.
ProtocolProtocol Version Checker
Compare MCP versions against the current specification.
ProtocolJSON-RPC Validator
Validate MCP JSON-RPC requests and responses.
ProtocolCapabilities Inspector
Inspect capability declarations.
ProtocolTransport Checker
Review stdio and remote transport configuration.
ProtocolMCP Method Inspector
Inspect methods and routing values.
ProtocolRequest / Response Matcher
Match JSON-RPC requests and responses.
ProtocolCache Hint Validator
Validate ttlMs and cacheScope.
ProtocolHTTP Header Validator
Check modern MCP routing headers.
ProtocolTrace Context Validator
Check distributed tracing metadata.
ProtocolInput Required Validator
Validate MRTR input_required results.
ProtocolInput Responses Validator
Check MRTR retry responses.
ProtocolStateless Request Checker
Review MCP 2026 stateless requests.
MCP 2026-07-28 protocol utilities
The current MCP specification uses a stateless core. The previous initialize/initialized lifecycle is no longer the current model. Requests carry protocol and routing information directly, while server/discover can optionally be used for capability discovery.