diff --git a/examples/hello/main.go b/examples/hello/main.go
index fcdd70e..693b345 100644
--- a/examples/hello/main.go
+++ b/examples/hello/main.go
@@ -12,7 +12,7 @@ import (
 	"os"
 
 	"github.com/modelcontextprotocol/go-sdk/mcp"
-	"github.com/modelcontextprotocol/go-sdk/internal/protocol"
+	"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
 )
 
 var httpAddr = flag.String("http", "", "if set, use SSE HTTP at this address, instead of stdin/stdout")
diff --git a/mcp/client.go b/mcp/client.go
index b9311dd..48c2c0c 100644
--- a/mcp/client.go
+++ b/mcp/client.go
@@ -12,7 +12,7 @@ import (
 	"sync"
 
 	"github.com/modelcontextprotocol/go-sdk/internal/jsonrpc2"
-	"github.com/modelcontextprotocol/go-sdk/internal/protocol"
+	"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
 )
 
 // A Client is an MCP client, which may be connected to an MCP server
diff --git a/mcp/cmd_test.go b/mcp/cmd_test.go
index a42a7b0..762754a 100644
--- a/mcp/cmd_test.go
+++ b/mcp/cmd_test.go
@@ -13,7 +13,7 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/modelcontextprotocol/go-sdk/mcp"
-	"github.com/modelcontextprotocol/go-sdk/internal/protocol"
+	"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
 )
 
 const runAsServer = "_MCP_RUN_AS_SERVER"
diff --git a/mcp/content.go b/mcp/content.go
index 093b939..8ea7555 100644
--- a/mcp/content.go
+++ b/mcp/content.go
@@ -7,7 +7,7 @@ package mcp
 import (
 	"fmt"
 
-	"github.com/modelcontextprotocol/go-sdk/internal/protocol"
+	"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
 )
 
 // Content is the union of supported content types: [TextContent],
diff --git a/mcp/content_test.go b/mcp/content_test.go
index d9774ff..0ba41a0 100644
--- a/mcp/content_test.go
+++ b/mcp/content_test.go
@@ -9,7 +9,7 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/modelcontextprotocol/go-sdk/mcp"
-	"github.com/modelcontextprotocol/go-sdk/internal/protocol"
+	"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
 )
 
 func TestContent(t *testing.T) {
diff --git a/mcp/mcp_test.go b/mcp/mcp_test.go
index 0452fac..69aa45a 100644
--- a/mcp/mcp_test.go
+++ b/mcp/mcp_test.go
@@ -16,8 +16,8 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
-	"github.com/modelcontextprotocol/go-sdk/internal/protocol"
 	"github.com/modelcontextprotocol/go-sdk/jsonschema"
+	"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
 )
 
 type hiParams struct {
diff --git a/mcp/prompt.go b/mcp/prompt.go
index 62d0a45..56fde10 100644
--- a/mcp/prompt.go
+++ b/mcp/prompt.go
@@ -11,9 +11,9 @@ import (
 	"reflect"
 	"slices"
 
-	"github.com/modelcontextprotocol/go-sdk/internal/protocol"
 	"github.com/modelcontextprotocol/go-sdk/internal/util"
 	"github.com/modelcontextprotocol/go-sdk/jsonschema"
+	"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
 )
 
 // A PromptHandler handles a call to prompts/get.
diff --git a/mcp/prompt_test.go b/mcp/prompt_test.go
index ca7f48d..9ef99f5 100644
--- a/mcp/prompt_test.go
+++ b/mcp/prompt_test.go
@@ -10,7 +10,7 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/modelcontextprotocol/go-sdk/mcp"
-	"github.com/modelcontextprotocol/go-sdk/internal/protocol"
+	"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
 )
 
 // testPromptHandler is used for type inference in TestMakePrompt.
diff --git a/internal/protocol/content.go b/mcp/protocol/content.go
similarity index 100%
rename from internal/protocol/content.go
rename to mcp/protocol/content.go
diff --git a/internal/protocol/doc.go b/mcp/protocol/doc.go
similarity index 100%
rename from internal/protocol/doc.go
rename to mcp/protocol/doc.go
diff --git a/internal/protocol/generate.go b/mcp/protocol/generate.go
similarity index 100%
rename from internal/protocol/generate.go
rename to mcp/protocol/generate.go
diff --git a/internal/protocol/protocol.go b/mcp/protocol/protocol.go
similarity index 100%
rename from internal/protocol/protocol.go
rename to mcp/protocol/protocol.go
diff --git a/mcp/server.go b/mcp/server.go
index 6c590ab..89dfb7f 100644
--- a/mcp/server.go
+++ b/mcp/server.go
@@ -13,7 +13,7 @@ import (
 	"sync"
 
 	"github.com/modelcontextprotocol/go-sdk/internal/jsonrpc2"
-	"github.com/modelcontextprotocol/go-sdk/internal/protocol"
+	"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
 )
 
 // A Server is an instance of an MCP server.
diff --git a/mcp/sse_test.go b/mcp/sse_test.go
index e1ec72f..c208ba4 100644
--- a/mcp/sse_test.go
+++ b/mcp/sse_test.go
@@ -12,7 +12,7 @@ import (
 	"testing"
 
 	"github.com/google/go-cmp/cmp"
-	"github.com/modelcontextprotocol/go-sdk/internal/protocol"
+	"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
 )
 
 func TestSSEServer(t *testing.T) {
diff --git a/mcp/tool.go b/mcp/tool.go
index e225952..b889254 100644
--- a/mcp/tool.go
+++ b/mcp/tool.go
@@ -9,9 +9,9 @@ import (
 	"encoding/json"
 	"slices"
 
-	"github.com/modelcontextprotocol/go-sdk/internal/protocol"
 	"github.com/modelcontextprotocol/go-sdk/internal/util"
 	"github.com/modelcontextprotocol/go-sdk/jsonschema"
+	"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
 )
 
 // A ToolHandler handles a call to tools/call.
diff --git a/mcp/transport.go b/mcp/transport.go
index 7a629b4..313f0b0 100644
--- a/mcp/transport.go
+++ b/mcp/transport.go
@@ -15,7 +15,7 @@ import (
 	"sync"
 
 	"github.com/modelcontextprotocol/go-sdk/internal/jsonrpc2"
-	"github.com/modelcontextprotocol/go-sdk/internal/protocol"
+	"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
 	"github.com/modelcontextprotocol/go-sdk/internal/xcontext"
 )