Add redMCP Streamable HTTP server

redMCP/README.md

@@ -86,14 +86,36 @@ caller deliberately wants the customer to receive mail.
 
 ## MCP server
 
-`redMCP` can also run as a stdio MCP server. It reads Redmine credentials from
-environment variables or `redMCP/.env`:
+`redMCP` can run as either a stdio MCP server or a network MCP server. It reads
+Redmine credentials from environment variables or `redMCP/.env`.
 
 ```sh
 redMCP/bin/redmcp-server.php
 ```
 
-Example client configuration:
+For local network testing, run the Streamable HTTP server:
+
+```sh
+MCP_SERVER_TOKEN=test-token redMCP/bin/redmcp-http-server.php --host 0.0.0.0 --port 8765
+```
+
+The network endpoint defaults to `/mcp` and requires:
+
+```text
+Authorization: Bearer <MCP_SERVER_TOKEN>
+```
+
+Example Streamable HTTP request:
+
+```sh
+curl -sS \
+  -H 'Authorization: Bearer test-token' \
+  -H 'Content-Type: application/json' \
+  http://127.0.0.1:8765/mcp \
+  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}'
+```
+
+Example stdio client configuration:
 
 ```json
 {
@@ -105,7 +127,7 @@ Example client configuration:
 }
 ```
 
-The server exposes tools for native Redmine filtering/search, issue CRUD,
+Both transports expose tools for native Redmine filtering/search, issue CRUD,
 Helpdesk-aware issue reads, and explicit Helpdesk email responses. Tools that
 can send customer-visible mail require an explicit tool call such as
 `redmine_send_helpdesk_response` or `redmine_update_issue` with