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Graphorin API reference v0.1.0

Graphorin API reference / @graphorin/mcp / / MCPTransportConfig

Type Alias: MCPTransportConfig ​

ts
type MCPTransportConfig = 
  | StdioTransportConfig
  | StreamableHttpTransportConfig
  | SseTransportConfig;

Defined in: packages/mcp/src/transport/types.ts:24

Transport descriptors accepted by createMCPClient.

The discriminated union mirrors the three transports the @modelcontextprotocol/sdk@^1.29.0 package exports:

  • 'stdio' — the primary transport for local MCP servers started as a child process. The transport spawns the configured command, pipes JSON-RPC over stdio, and tears the child down on client.close().
  • 'streamable-http' — the current default transport for remote MCP servers (the spec-recommended replacement for the legacy SSE transport). Supports server-assigned Mcp-Session-Id + the Last-Event-ID resume handshake when the server advertises it on initialize.
  • 'sse' — the deprecated legacy transport. Kept for back-compat with MCP servers that have not yet migrated to the streamable HTTP transport. The runtime emits one WARN-per-process on transport selection; the transport is not eligible for the resumable-session features.

Stable ​