Crate mcp_utils 

aether-mcp-utils

Utilities for the Model Context Protocol (MCP), providing transport, status tracking, and client management for MCP servers.

Table of Contents

• Key Types
• Feature Flags
• License

Key Types

• InMemoryTransport – In-process MCP transport for running servers without subprocesses
• McpServerStatus – Tracks server connection state (Connected, Failed, NeedsOAuth)
• ToolCatalog – The per-agent, I/O-free view of MCP servers, tools, exposure, filtering, instructions, and route authorization
• ToolDisplayMeta / ToolResultMeta – Metadata for rendering tool calls and results in UIs

Feature Flags

Feature	Description	Default
client	MCP client with OAuth, server management, and deferred tool routing	yes

License

MIT

Modules

client

display_meta

Display metadata for tool responses.

server

status

testing

tool_gateway

transport

Traits

ServiceExt