diff --git a/pi-extensions/bun.lock b/pi-extensions/bun.lock
index c681ebff..7b80dd8b 100644
--- a/pi-extensions/bun.lock
+++ b/pi-extensions/bun.lock
@@ -8,7 +8,7 @@
         "@juicesharp/rpiv-ask-user-question": "2.11.0",
         "@plannotator/pi-extension": "0.27.22",
         "@router-for-me/pi-cliproxyapi-provider": "1.4.21",
-        "pi-mcp-adapter": "3.3.0",
+        "pi-mcp-adapter": "4.0.0",
         "pi-subagents": "0.73.1",
         "pi-vim": "0.14.2",
         "pi-web-access": "0.34.0",
@@ -874,7 +874,7 @@
 
     "path-to-regexp": ["path-to-regexp@8.4.2", "", {}, "sha512-qRcuIdP69NPm4qbACK+aDogI5CBDMi1jKe0ry5rSQJz8JVLsC7jV8XpiJjGRLLol3N+R5ihGYcrPLTno6pAdBA=="],
 
-    "pi-mcp-adapter": ["pi-mcp-adapter@3.3.0", "", { "dependencies": { "@modelcontextprotocol/client": "2.0.0", "@modelcontextprotocol/core": "2.0.0", "@modelcontextprotocol/ext-tasks": "^0.1.0", "@napi-rs/keyring": "^2.1.0", "@typesafe-ai/sdk": "0.6.0", "ajv": "^8.17.1", "ajv-formats": "^3.0.1", "cross-spawn": "^7.0.6", "open": "^10.2.0", "quickjs-wasi": "3.6.2", "recheck": "4.6.0-beta.3", "smol-toml": "^1.9.0", "strip-json-comments": "^5.0.3", "undici": "^6.28.1", "zod": "^3.25.0 || ^4.0.0" }, "peerDependencies": { "@earendil-works/pi-ai": "^0.84.1 || ^0.85.0 || ^0.86.0 || ^0.87.0", "@earendil-works/pi-tui": "*", "typebox": "*" }, "optionalPeers": ["@earendil-works/pi-ai", "@earendil-works/pi-tui", "typebox"], "bin": { "pi-mcp-adapter": "cli.js" } }, "sha512-CNwp4/uTsfRM+y6tzCGDaZfzExPRbE9c+Vc2iTHgNGGp0Ey7EzdY745pQJx4utGjTmgCFCXY95fu8iwfX1Lnrg=="],
+    "pi-mcp-adapter": ["pi-mcp-adapter@4.0.0", "", { "dependencies": { "@modelcontextprotocol/client": "2.0.0", "@modelcontextprotocol/core": "2.0.0", "@modelcontextprotocol/ext-tasks": "^0.1.0", "@napi-rs/keyring": "^2.1.0", "@typesafe-ai/sdk": "0.6.0", "ajv": "^8.17.1", "ajv-formats": "^3.0.1", "cross-spawn": "^7.0.6", "open": "^10.2.0", "quickjs-wasi": "3.6.2", "recheck": "4.6.0-beta.3", "smol-toml": "^1.9.0", "strip-json-comments": "^5.0.3", "undici": "^6.28.1", "zod": "^3.25.0 || ^4.0.0" }, "peerDependencies": { "@earendil-works/pi-ai": "^0.84.1 || ^0.85.0 || ^0.86.0 || ^0.87.0 || ^0.99.0", "@earendil-works/pi-tui": "*", "typebox": "*" }, "optionalPeers": ["@earendil-works/pi-ai", "@earendil-works/pi-tui", "typebox"], "bin": { "pi-mcp-adapter": "cli.js" } }, "sha512-R01UeUDmlrNCSbWQRUim3XR1oCWJQf7UnFCjFUS70z0V9qBq4llwPW0D+iztp53EBQQ6dja1ISpaK17yUGehEQ=="],
 
     "pi-subagents": ["pi-subagents@0.73.1", "", { "dependencies": { "acorn": "8.18.0", "jiti": "2.7.0", "undici": "8.10.0", "yaml": "2.8.3" }, "peerDependencies": { "@earendil-works/pi-agent-core": "*", "@earendil-works/pi-ai": ">=0.86.1", "@earendil-works/pi-coding-agent": "*", "@earendil-works/pi-tui": "*", "typebox": "*" }, "optionalPeers": ["@earendil-works/pi-agent-core", "@earendil-works/pi-ai", "@earendil-works/pi-coding-agent", "@earendil-works/pi-tui", "typebox"], "bin": { "pi-subagents": "install.mjs" } }, "sha512-IklOqw67DtvIWQFKxFJpDFXsOGcq8RGYZEbokykD5Kvfs9aa/du1cW2NEJ5xx4GUgN2LVt3vAq5IdzEMo7YwJw=="],
 
diff --git a/pi-extensions/package.json b/pi-extensions/package.json
index 851d03c3..dbc5e6ea 100644
--- a/pi-extensions/package.json
+++ b/pi-extensions/package.json
@@ -46,7 +46,7 @@
 		"@juicesharp/rpiv-ask-user-question": "2.11.0",
 		"@plannotator/pi-extension": "0.27.22",
 		"@router-for-me/pi-cliproxyapi-provider": "1.4.21",
-		"pi-mcp-adapter": "3.3.0",
+		"pi-mcp-adapter": "4.0.0",
 		"pi-subagents": "0.73.1",
 		"pi-vim": "0.14.2",
 		"pi-web-access": "0.34.0",