diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 318c684..fb0b537 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -1,7 +1,7 @@
 {
   "name": "baserow",
   "displayName": "Baserow",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Read and change Baserow tables from your AI agent through Baserow's MCP server.",
   "author": { "name": "Baserow", "url": "https://baserow.io" },
   "homepage": "https://baserow.io",
@@ -12,8 +12,7 @@
       "type": "string",
       "title": "Baserow MCP URL",
       "description": "Keep the default for baserow.io. For self-hosted Baserow, copy it from Settings → MCP server. It ends in /mcp.",
-      "default": "https://api.baserow.io/mcp",
-      "required": true
+      "default": "https://api.baserow.io/mcp"
     }
   },
   "mcpServers": {
diff --git a/.cursor-plugin/plugin.json b/.cursor-plugin/plugin.json
index 99e2cd6..316d829 100644
--- a/.cursor-plugin/plugin.json
+++ b/.cursor-plugin/plugin.json
@@ -2,7 +2,7 @@
   "name": "baserow",
   "displayName": "Baserow",
   "description": "Read and change Baserow tables from your AI agent through Baserow's MCP server.",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "author": { "name": "Baserow", "url": "https://baserow.io" },
   "homepage": "https://baserow.io",
   "repository": "https://github.com/baserow/baserow-mcp",
diff --git a/gemini-extension.json b/gemini-extension.json
index b645ca7..d3c53e1 100644
--- a/gemini-extension.json
+++ b/gemini-extension.json
@@ -1,6 +1,6 @@
 {
   "name": "baserow",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Read and change Baserow tables from your AI agent through Baserow's MCP server.",
   "contextFileName": "GEMINI.md",
   "mcpServers": {
diff --git a/plugin.json b/plugin.json
index b350d9f..a25facf 100644
--- a/plugin.json
+++ b/plugin.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://agent-plugins.org/schemas/1.0.0/plugin.schema.json",
   "name": "baserow",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Read and change Baserow tables from your AI agent through Baserow's MCP server.",
   "author": { "name": "Baserow", "url": "https://baserow.io" },
   "homepage": "https://baserow.io",
diff --git a/scripts/check-manifests.mjs b/scripts/check-manifests.mjs
index ff42870..047cb91 100644
--- a/scripts/check-manifests.mjs
+++ b/scripts/check-manifests.mjs
@@ -112,6 +112,14 @@ export function checkSync(m) {
   for (const remote of remotes.filter((r) => r?.variables)) {
     const problem = urlProblem(remote.url);
     if (problem) errors.push(`${FILES.registry}: remote ${remote.url} ${problem}`);
+    const used = [...String(remote.url).matchAll(/\{([^}]+)\}/g)].map(([, name]) => name);
+    const declared = Object.keys(remote.variables);
+    for (const name of used.filter((n) => !declared.includes(n))) {
+      errors.push(`${FILES.registry}: remote ${remote.url} uses {${name}}, which isn't in its variables`);
+    }
+    for (const name of declared.filter((n) => !used.includes(n))) {
+      errors.push(`${FILES.registry}: remote ${remote.url} declares ${name}, which its URL doesn't use`);
+    }
   }
   // Claude Code fills in the user's URL; every other client reads the literal URL in .mcp.json.
   const claudeUrl = m.claudePlugin?.mcpServers?.[SERVER_NAME]?.url;
diff --git a/scripts/check-manifests.test.mjs b/scripts/check-manifests.test.mjs
index bf9d42d..4274122 100644
--- a/scripts/check-manifests.test.mjs
+++ b/scripts/check-manifests.test.mjs
@@ -267,3 +267,11 @@ test("a listing logo that doesn't exist is reported", async (t) => {
   m.agentPlugin.extensions = { "com.openai": { interface: { logo: "./assets/logo.png", composerIcon: "./assets/missing.svg" } } };
   assert.deepEqual(await checkAssets(m, root), ["plugin.json: interface.composerIcon ./assets/missing.svg not found"]);
 });
+
+test("registry URL variables must match the URL", () => {
+  const m = validManifests();
+  m.registry.remotes[1].url = "https://{baserow_host}/mcp";
+  const errors = checkSync(m).join("\n");
+  assert.match(errors, /uses \{baserow_host\}, which isn't in its variables/);
+  assert.match(errors, /declares host, which its URL doesn't use/);
+});
diff --git a/server.json b/server.json
index 01b1cf2..17f1f25 100644
--- a/server.json
+++ b/server.json
@@ -3,7 +3,7 @@
   "name": "io.baserow/baserow",
   "title": "Baserow",
   "description": "Read and change Baserow tables.",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "repository": {
     "url": "https://github.com/baserow/baserow-mcp",
     "source": "github"
@@ -32,10 +32,10 @@
     },
     {
       "type": "streamable-http",
-      "url": "https://{host}/mcp",
+      "url": "https://{baserow_host}/mcp",
       "variables": {
-        "host": {
-          "description": "Your self-hosted Baserow backend host, with a path prefix if it has one, for example baserow.example.com or example.com/baserow",
+        "baserow_host": {
+          "description": "Your self-hosted Baserow backend host, for example baserow.example.com",
           "isRequired": true
         }
       }