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Upgrade to v2

2026-07-28 protocol support

API Reference

@modelcontextprotocol/client

client

auth

auth.examples

authErrors

authExtensions

authExtensions.examples

authSeam

client

client.examples

crossAppAccess

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middleware.examples

probeClassifier

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streamableHttp.examples

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@modelcontextprotocol/express

auth

bearerAuth

metadataRouter

types

express

express.examples

index

middleware

hostHeaderValidation

hostHeaderValidation.examples

originValidation

@modelcontextprotocol/fastify

fastify

fastify.examples

index

middleware

hostHeaderValidation

hostHeaderValidation.examples

originValidation

@modelcontextprotocol/hono

hono

index

middleware

hostHeaderValidation

originValidation

@modelcontextprotocol/node

index

middleware

hostHeaderValidation

originValidation

streamableHttp

streamableHttp.examples

toNodeHandler

@modelcontextprotocol/server

fromJsonSchema

index

Namespaces

StandardSchemaV1

StandardSchemaV1Sync

StandardSchemaWithJSON

server

completable

completable.examples

createMcpHandler

invoke

legacyInputRequiredShim

listenRouter

mcp

mcp.examples

middleware

bearerAuth

bearerAuth.examples

hostHeaderValidation

hostHeaderValidation.examples

oauthMetadata

oauthMetadata.examples

originValidation

perRequestTransport

requestStateCodec

server

serverEventBus

serveStdio

sseKeepAlive

stdio

stdio.examples

streamableHttp

streamableHttp.examples

shimsBrowser

shimsNode

shimsWorkerd

stdio

validators

ajv

cfWorker

@modelcontextprotocol/server-legacy

auth

clients

errors

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authorize

metadata

register

revoke

token

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allowedMethods

bearerAuth

clientAuth

provider

providers

proxyProvider

router

types

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sse

On this page

MCP TypeScript SDK (V2) / @modelcontextprotocol/server-legacy / auth/types

auth/types

References

AuthInfo

Re-exports AuthInfo

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