From b4d7d740658fe70602b4db8d62c15af5ecb34b28 Mon Sep 17 00:00:00 2001
From: BP602 <3460479+BP602@users.noreply.github.com>
Date: Fri, 6 Feb 2026 15:43:56 +0100
Subject: [PATCH] fix: allow configuring MCP tool working directory via env var

---
 README.md       | 1 +
 src/mcpTools.ts | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 41dac75..7f0ee00 100644
--- a/README.md
+++ b/README.md
@@ -151,6 +151,7 @@ Now just run `oc` to start OpenCode with Claude Max.
 |---------------------|---------|-------------|
 | `CLAUDE_PROXY_PORT` | 3456 | Proxy server port |
 | `CLAUDE_PROXY_HOST` | 127.0.0.1 | Proxy server host |
+| `CLAUDE_PROXY_WORKDIR` | (process cwd) | Base working directory used by MCP file/shell tools |
 
 ## How It Works
 
diff --git a/src/mcpTools.ts b/src/mcpTools.ts
index ed8b778..84b28f2 100644
--- a/src/mcpTools.ts
+++ b/src/mcpTools.ts
@@ -8,7 +8,7 @@ import { glob as globLib } from "glob"
 
 const execAsync = promisify(exec)
 
-const getCwd = () => process.cwd()
+const getCwd = () => process.env.CLAUDE_PROXY_WORKDIR || process.cwd()
 
 export const opencodeMcpServer = createSdkMcpServer({
   name: "opencode",