From adebac9f894ba71e057a91223493cb62933b2146 Mon Sep 17 00:00:00 2001
From: Konstantin Alikhanov <atomAltera@gmail.com>
Date: Thu, 28 Aug 2025 21:28:16 +0400
Subject: [PATCH 1/4] mcp: add IOTransport for separate reader/writer Enable
 MCP communication over arbitrary I/O streams beyond stdin/stdout, supporting
 custom transport implementations.

---
 mcp/transport.go | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/mcp/transport.go b/mcp/transport.go
index fac640a6..7eaea508 100644
--- a/mcp/transport.go
+++ b/mcp/transport.go
@@ -103,6 +103,29 @@ func NewStdioTransport() *StdioTransport {
 	return &StdioTransport{}
 }
 
+// A StdioTransport is a [Transport] that communicates over stdin/stdout using
+// newline-delimited JSON.
+type IOTransport struct {
+	reader io.ReadCloser
+	writer io.WriteCloser
+}
+
+// Connect implements the [Transport] interface.
+func (t *IOTransport) Connect(context.Context) (Connection, error) {
+	return newIOConn(rwc{t.reader, t.writer}), nil
+}
+
+// NewIOTransport constructs a transport that communicates over
+// io.ReadCloser and io.WriteCloser.
+//
+//go:fix inline
+func NewIOTransport(reader io.ReadCloser, writer io.WriteCloser) *IOTransport {
+	return &IOTransport{
+		reader: reader,
+		writer: writer,
+	}
+}
+
 // An InMemoryTransport is a [Transport] that communicates over an in-memory
 // network connection, using newline-delimited JSON.
 type InMemoryTransport struct {

From 02194a658650ee510e7aaa4284489001b6160728 Mon Sep 17 00:00:00 2001
From: Konstantin Alikhanov <atomAltera@gmail.com>
Date: Thu, 28 Aug 2025 21:32:26 +0400
Subject: [PATCH 2/4] refactor: update IOTransport documentation for clarity on
 reader/writer usage

---
 mcp/transport.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mcp/transport.go b/mcp/transport.go
index 7eaea508..10fe90e9 100644
--- a/mcp/transport.go
+++ b/mcp/transport.go
@@ -103,8 +103,8 @@ func NewStdioTransport() *StdioTransport {
 	return &StdioTransport{}
 }
 
-// A StdioTransport is a [Transport] that communicates over stdin/stdout using
-// newline-delimited JSON.
+// An IOTransport is a [Transport] that communicates over separate
+// io.ReadCloser and io.WriteCloser using newline-delimited JSON.
 type IOTransport struct {
 	reader io.ReadCloser
 	writer io.WriteCloser

From 2d54a39cc02ecdcbc4bd5fc1049a0024d776a492 Mon Sep 17 00:00:00 2001
From: Konstantin Alikhanov <atomAltera@gmail.com>
Date: Wed, 10 Sep 2025 13:11:54 +0400
Subject: [PATCH 3/4] refactor: update IOTransport fields to public

---
 mcp/transport.go | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/mcp/transport.go b/mcp/transport.go
index 10fe90e9..fff0bfd6 100644
--- a/mcp/transport.go
+++ b/mcp/transport.go
@@ -106,24 +106,13 @@ func NewStdioTransport() *StdioTransport {
 // An IOTransport is a [Transport] that communicates over separate
 // io.ReadCloser and io.WriteCloser using newline-delimited JSON.
 type IOTransport struct {
-	reader io.ReadCloser
-	writer io.WriteCloser
+	Reader io.ReadCloser
+	Writer io.WriteCloser
 }
 
 // Connect implements the [Transport] interface.
 func (t *IOTransport) Connect(context.Context) (Connection, error) {
-	return newIOConn(rwc{t.reader, t.writer}), nil
-}
-
-// NewIOTransport constructs a transport that communicates over
-// io.ReadCloser and io.WriteCloser.
-//
-//go:fix inline
-func NewIOTransport(reader io.ReadCloser, writer io.WriteCloser) *IOTransport {
-	return &IOTransport{
-		reader: reader,
-		writer: writer,
-	}
+	return newIOConn(rwc{t.Reader, t.Writer}), nil
 }
 
 // An InMemoryTransport is a [Transport] that communicates over an in-memory

From 4082fdf293b63f2eea979e596b113100b59fb806 Mon Sep 17 00:00:00 2001
From: Konstantin Alikhanov <atomAltera@gmail.com>
Date: Fri, 19 Sep 2025 02:59:55 +0400
Subject: [PATCH 4/4] removing NewStdioTransport constructor

---
 mcp/transport.go | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/mcp/transport.go b/mcp/transport.go
index 2838d74b..56959632 100644
--- a/mcp/transport.go
+++ b/mcp/transport.go
@@ -93,18 +93,6 @@ func (*StdioTransport) Connect(context.Context) (Connection, error) {
 	return newIOConn(rwc{os.Stdin, os.Stdout}), nil
 }
 
-
-// NewStdioTransport constructs a transport that communicates over
-// stdin/stdout.
-//
-// Deprecated: use a StdioTransport literal.
-//
-//go:fix inline
-func NewStdioTransport() *StdioTransport {
-	return &StdioTransport{}
-}
-
-
 // An IOTransport is a [Transport] that communicates over separate
 // io.ReadCloser and io.WriteCloser using newline-delimited JSON.
 type IOTransport struct {
@@ -117,7 +105,6 @@ func (t *IOTransport) Connect(context.Context) (Connection, error) {
 	return newIOConn(rwc{t.Reader, t.Writer}), nil
 }
 
-
 // An InMemoryTransport is a [Transport] that communicates over an in-memory
 // network connection, using newline-delimited JSON.
 type InMemoryTransport struct {