Expand description
§MCP Protocol Implementation
This crate provides a complete implementation of the Model Context Protocol (MCP) specification version 2025-06-18. It includes all protocol types, JSON-RPC integration, and capability negotiation.
§Features
- Complete MCP 2025-06-18 protocol implementation
- JSON-RPC 2.0 support with batching
- Type-safe capability negotiation
- Protocol versioning and compatibility
- Fast serialization
- Comprehensive validation
Re-exports§
pub use types::CallToolRequest;pub use types::CallToolResult;pub use types::ClientCapabilities;pub use types::ClientNotification;pub use types::ClientRequest;pub use types::Content;pub use types::CreateMessageRequest;pub use types::CreateMessageResult;pub use types::EmbeddedResource;pub use types::GetPromptRequest;pub use types::GetPromptResult;pub use types::ImageContent;pub use types::Implementation;pub use types::InitializeRequest;pub use types::InitializeResult;pub use types::InitializedNotification;pub use types::ListPromptsRequest;pub use types::ListPromptsResult;pub use types::ListResourcesRequest;pub use types::ListResourcesResult;pub use types::ListRootsRequest;pub use types::ListRootsResult;pub use types::ListToolsRequest;pub use types::ListToolsResult;pub use types::LogLevel;pub use types::LoggingNotification;pub use types::ProgressNotification;pub use types::ProgressToken;pub use types::Prompt;pub use types::PromptInput;pub use types::ProtocolVersion;pub use types::ReadResourceRequest;pub use types::ReadResourceResult;pub use types::RequestId;pub use types::Resource;pub use types::ResourceContents;pub use types::ResourceUpdatedNotification;pub use types::Root;pub use types::RootsListChangedNotification;pub use types::SamplingMessage;pub use types::ServerCapabilities;pub use types::ServerNotification;pub use types::ServerRequest;pub use types::SetLevelRequest;pub use types::SetLevelResult;pub use types::SubscribeRequest;pub use types::TextContent;pub use types::Tool;pub use types::ToolInputSchema;pub use types::ToolOutputSchema;pub use types::UnsubscribeRequest;pub use jsonrpc::JsonRpcBatch;pub use jsonrpc::JsonRpcError;pub use jsonrpc::JsonRpcErrorCode;pub use jsonrpc::JsonRpcNotification;pub use jsonrpc::JsonRpcRequest;pub use jsonrpc::JsonRpcResponse;pub use jsonrpc::JsonRpcVersion;pub use capabilities::CapabilityMatcher;pub use capabilities::CapabilityNegotiator;pub use capabilities::CapabilitySet;pub use versioning::VersionCompatibility;pub use versioning::VersionManager;pub use versioning::VersionRequirement;
Modules§
- capabilities
- Capability Negotiation
- error_
codes - Protocol error codes (JSON-RPC standard + MCP extensions)
- features
- Protocol feature flags
- jsonrpc
- JSON-RPC 2.0 Implementation
- methods
- Protocol method names
- types
- MCP Protocol Types
- validation
- Protocol Validation
- versioning
- Protocol Versioning and Compatibility
Structs§
- Error
- Comprehensive error type with rich context information
Constants§
- PROTOCOL_
VERSION - Current MCP protocol version
- SUPPORTED_
VERSIONS - Supported MCP protocol versions
Type Aliases§
- Result
- Result type alias for MCP operations