feat(mcp): add prefix filed to bridge server configuraiton (#148)

mcp/bridge/README.md

@@ -4,7 +4,7 @@ Let external MCP tools be used by LLM-Functions.
 
 ## Get Started
 
-1. Create a `mpc.json` at `<llm-functions-dir>`.
+### 1. Create a `mpc.json` at `<llm-functions-dir>`.
 
 ```json
 {
@@ -17,6 +17,15 @@ Let external MCP tools be used by LLM-Functions.
         "/tmp/foo.db"
       ]
     },
+    "git": {
+      "command": "uvx",
+      "args": [
+        "mcp-server-git",
+        "--repository",
+        "path/to/git/repo"
+      ],
+      "prefix": false
+    },
     "github": {
       "command": "npx",
       "args": [
@@ -31,9 +40,11 @@ Let external MCP tools be used by LLM-Functions.
 }
 ```
 
-> MCP-Bridge will launch the server and register all the tools listed by the server. The tool identifier will be `server_toolname` to avoid clashes.
+> MCP-Bridge will launch the server and register all the tools listed by the server. 
 
-2. Run the bridge server, build mcp tool binaries, update functions.json, all with:
+> To avoid name clashes, The server automatically prefix tool names with `<server>_`. You can disable this behavior by add `prefix: false` to server configuration.
+
+### 2. Run the bridge server, build mcp tool binaries, update functions.json, all with:
 
 ```
 argc mcp start