diff --git a/.codex/config.toml b/.codex/config.toml
new file mode 100644
index 000000000..433432493
--- /dev/null
+++ b/.codex/config.toml
@@ -0,0 +1,4 @@
+[mcp_servers.tessl]
+type = "stdio"
+command = "tessl"
+args = [ "mcp", "start" ]
diff --git a/.gemini/settings.json b/.gemini/settings.json
new file mode 100644
index 000000000..ebfccaac7
--- /dev/null
+++ b/.gemini/settings.json
@@ -0,0 +1,12 @@
+{
+  "mcpServers": {
+    "tessl": {
+      "type": "stdio",
+      "command": "tessl",
+      "args": [
+        "mcp",
+        "start"
+      ]
+    }
+  }
+}
diff --git a/.gitignore b/.gitignore
index 5bd4f9af0..2d020d366 100644
--- a/.gitignore
+++ b/.gitignore
@@ -398,7 +398,9 @@ replay_pid*
 
 # IDEs
 .idea/
-.vscode/
+.vscode/*
+!.vscode/mcp.json
+!.vscode/extensions.json
 
 # Nuitka
 **/dist-nuitka/**
@@ -409,8 +411,11 @@ replay_pid*
 # Mac
 .DS_Store
 
+# Playwright MCP
+.playwright-mcp/
+
 # Tessl — .tessl/.gitignore handles tiles/RULES.md internally
-.mcp.json
+.tessl/session-data/
 
 # Claude Code — track shared config, ignore local state
 .claude/*
diff --git a/.mcp.json b/.mcp.json
new file mode 100644
index 000000000..ebfccaac7
--- /dev/null
+++ b/.mcp.json
@@ -0,0 +1,12 @@
+{
+  "mcpServers": {
+    "tessl": {
+      "type": "stdio",
+      "command": "tessl",
+      "args": [
+        "mcp",
+        "start"
+      ]
+    }
+  }
+}
diff --git a/.vscode/mcp.json b/.vscode/mcp.json
new file mode 100644
index 000000000..c290f9fb5
--- /dev/null
+++ b/.vscode/mcp.json
@@ -0,0 +1,12 @@
+{
+  "servers": {
+    "tessl": {
+      "type": "stdio",
+      "command": "tessl",
+      "args": [
+        "mcp",
+        "start"
+      ]
+    }
+  }
+}