Module mcp 

MCP integration — adapters between oxios-mcp and the kernel.

Re-exports all types from the oxios-mcp crate and provides conversion functions between MCP-native types and Oxios kernel types (ToolDef).

Structs

ClientInfo

Client info sent during initialize

InitializeParams

Initialize request params

InitializeResult

Initialize response from the server

MappedResource

Resource reference

McpBridge

MCP bridge — connects multiple MCP servers to the tool system.

McpCapabilities

MCP server capabilities

McpClient

Manages a single MCP server process with stdio JSON-RPC communication.

McpError

MCP JSON-RPC error structure

McpRequest

MCP JSON-RPC request structure

McpResponse

MCP JSON-RPC response structure

McpServer

MCP server capability definition

McpTool

MCP tool definition from a server

McpToolCallResult

MCP tools/call result

McpToolsResult

MCP tools/list result

ServerInfo

Server info from initialize response

Enums

McpContentBlock

Content block in a tool call result

Constants

BLOCKED_MCP_SHELLS

Shell interpreters that must never be spawned directly as an MCP server — they would allow args = ["-c", "<arbitrary>"] code

Functions

cached_tool_defs

Get cached MCP tools as Oxios ToolDefs for a specific server.

list_tool_defs

List all MCP tools as Oxios ToolDefs (existing API compatibility).

mcp_tool_to_tool_def

Convert an MCP tool to an Oxios ToolDef.

refresh_tool_defs

Refresh and return MCP tools as Oxios ToolDefs for a specific server.

sanitize_env

Return a copy of env with security-sensitive variables removed.

validate_mcp_command

Validate an MCP server command before spawning it.

Type Aliases

McpServerConfig

Type alias for backwards compatibility — use McpServer directly.