diff --git a/tools/trap-sandbox/package-lock.json b/tools/trap-sandbox/package-lock.json
index 53a7ea8..6311f28 100644
--- a/tools/trap-sandbox/package-lock.json
+++ b/tools/trap-sandbox/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "trap-sandbox",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "trap-sandbox",
-      "version": "0.2.0",
+      "version": "0.2.1",
       "dependencies": {
         "@fastify/websocket": "^11",
         "@opencode-ai/sdk": "^1.17.4",
diff --git a/tools/trap-sandbox/package.json b/tools/trap-sandbox/package.json
index 9ecd10a..47f70bd 100644
--- a/tools/trap-sandbox/package.json
+++ b/tools/trap-sandbox/package.json
@@ -1,6 +1,6 @@
 {
   "name": "trap-sandbox",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "private": true,
   "type": "module",
   "engines": {
diff --git a/tools/trap-sandbox/src/modules/mcp/tools.ts b/tools/trap-sandbox/src/modules/mcp/tools.ts
index 188fbf1..96302fa 100644
--- a/tools/trap-sandbox/src/modules/mcp/tools.ts
+++ b/tools/trap-sandbox/src/modules/mcp/tools.ts
@@ -24,22 +24,23 @@ type JsonRpcRequest = {
   params?: unknown;
 };
 
-const SERVER_VERSION = "0.2.0";
+const SERVER_VERSION = "0.2.1";
 
 const TOOLS = [
   {
     name: "probe-computers",
-    description: "Probe all connected TrapOS computers; lists each computer's traposId.",
+    description: "List connected TrapOS computers and ping each one. Use the returned traposId with the other tools.",
     inputSchema: { type: "object", properties: {}, additionalProperties: false },
   },
   {
     name: "exec-lua",
-    description: "Execute Lua code on a connected TrapOS computer.",
+    description:
+      "Execute an inline Lua snippet on a connected TrapOS computer. Use for short probes; use run-file for existing programs.",
     inputSchema: {
       type: "object",
       properties: {
         traposId: { type: "string", description: 'Target traposId ("<id>:<label>", from probe-computers).' },
-        code: { type: "string", description: "Lua source code to execute." },
+        code: { type: "string", description: "Inline Lua source code to execute." },
         timeoutMs: { type: "number", description: "Optional host-side timeout in milliseconds, max 30000." },
       },
       required: ["traposId", "code"],
@@ -48,12 +49,13 @@ const TOOLS = [
   },
   {
     name: "run-file",
-    description: "Run a Lua file on a connected TrapOS computer and capture its output.",
+    description:
+      "Run an existing Lua file or program on a connected TrapOS computer and capture its output. Prefer this for commands such as /programs/ccpm.lua.",
     inputSchema: {
       type: "object",
       properties: {
         traposId: { type: "string", description: 'Target traposId ("<id>:<label>", from probe-computers).' },
-        path: { type: "string", description: "Lua file path on the TrapOS computer to run." },
+        path: { type: "string", description: "Absolute Lua file path on the TrapOS computer to run, for example /programs/ccpm.lua." },
         timeoutMs: { type: "number", description: "Optional host-side timeout in milliseconds, max 30000." },
       },
       required: ["traposId", "path"],
@@ -62,7 +64,7 @@ const TOOLS = [
   },
   {
     name: "write-file",
-    description: "Write file content on a connected TrapOS computer, overwriting any existing file.",
+    description: "Create or overwrite a file on a connected TrapOS computer with the supplied content.",
     inputSchema: {
       type: "object",
       properties: {