chore: add a Cursor manifest to the plugin

.cursor-plugin/marketplace.json

@@ -0,0 +1,12 @@
+{
+  "name": "agent-commerce",
+  "owner": { "name": "devlab-group" },
+  "metadata": { "description": "The Agent Commerce Gateway skill for coding agents." },
+  "plugins": [
+    {
+      "name": "agent-commerce-gateway",
+      "source": "./plugins/agent-commerce-gateway",
+      "description": "Integrate the Agent Commerce Gateway into an existing HTTP API: configure, start and verify it."
+    }
+  ]
+}

plugins/agent-commerce-gateway/.cursor-plugin/plugin.json

@@ -0,0 +1,15 @@
+{
+  "name": "agent-commerce-gateway",
+  "displayName": "Agent Commerce Gateway",
+  "version": "2.7.2",
+  "description": "Put the Agent Commerce Gateway in front of an existing HTTP API so AI agents can call and pay for it with x402.",
+  "author": { "name": "devlab-group" },
+  "homepage": "https://github.com/devlab-group/agent-commerce#readme",
+  "repository": "https://github.com/devlab-group/agent-commerce",
+  "license": "Apache-2.0",
+  "logo": ".claude-plugin/icon.png",
+  "keywords": ["x402", "mcp", "ai-agents", "payments", "agentic-commerce"],
+  "category": "developer-tools",
+  "tags": ["x402", "payments", "mcp"],
+  "skills": "./skills/"
+}

plugins/agent-commerce-gateway/README.md

@@ -1,6 +1,6 @@
 # Agent Commerce Gateway plugin
 
-This plugin adds one skill, `agent-commerce`, that helps Claude put
+This plugin adds one skill, `agent-commerce`, that helps a coding agent put
 [Agent Commerce Gateway](https://github.com/devlab-group/agent-commerce)
 (npm `@devlab.group/agent-commerce`) in front of an existing HTTP API. AI
 agents can then call the API's endpoints over HTTP or MCP and pay for them
@@ -37,7 +37,7 @@ anywhere.
 ## Credentials the gateway uses
 
 The skill writes credentials only as `${VAR}` placeholders in the gateway's
-`config.yaml`, and tells Claude never to ask for a secret in chat or write one
+`config.yaml`, and tells the agent never to ask for a secret in chat or write one
 into a file, command or log. The user sets the values in the gateway's own
 `.env`, which the gateway CLI reads when it runs. Each value goes only to the
 party it belongs to:

scripts/check-package-metadata.mjs

@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 /**
- * Require package and Claude Code plugin links to point at the real repository.
+ * Require package, Claude Code plugin and Cursor plugin links to point at the real repository.
  * A wrong namespace could send private vulnerability reports to an attacker.
  * An allowlist rejects destinations a placeholder blocklist would miss.
  */
@@ -13,6 +13,8 @@ const manifestPath = resolve(root, 'package.json');
 const manifest = JSON.parse(readFileSync(manifestPath, 'utf8'));
 const pluginManifest = 'plugins/agent-commerce-gateway/.claude-plugin/plugin.json';
 const plugin = JSON.parse(readFileSync(resolve(root, pluginManifest), 'utf8'));
+const cursorManifest = 'plugins/agent-commerce-gateway/.cursor-plugin/plugin.json';
+const cursor = JSON.parse(readFileSync(resolve(root, cursorManifest), 'utf8'));
 
 const EXPECTED = 'github.com/devlab-group/agent-commerce';
 
@@ -24,6 +26,8 @@ const fields = [
   [`${pluginManifest} homepage`, plugin.homepage],
   [`${pluginManifest} documentationUrl`, plugin.documentationUrl],
   [`${pluginManifest} supportUrl`, plugin.supportUrl],
+  [`${cursorManifest} repository`, cursor.repository],
+  [`${cursorManifest} homepage`, cursor.homepage],
 ];
 
 // Anchored at the scheme and host, because npm renders these as links: a

tests/unit/cli/skill.test.ts

@@ -261,3 +261,46 @@ describe('Claude Code plugin', () => {
     expect(existsSync(join(pluginDir, 'package.json'))).toBe(false);
   });
 });
+
+describe('Cursor plugin', () => {
+  const plugin = readJson<{
+    name: string;
+    displayName: string;
+    version: string;
+    description: string;
+    license: string;
+    logo: string;
+    skills: string;
+  }>(join(pluginDir, '.cursor-plugin', 'plugin.json'));
+  const claude = readJson<{ name: string; displayName: string; description: string }>(
+    join(pluginDir, '.claude-plugin', 'plugin.json'),
+  );
+  const marketplace = readJson<{ name: string; plugins: { name: string; source: string }[] }>(
+    join(root, '.cursor-plugin', 'marketplace.json'),
+  );
+
+  it('releases with the package version and matches the Claude Code plugin', () => {
+    expect(plugin.version).toBe(manifest.version);
+    expect(plugin.license).toBe(manifest.license);
+    expect(plugin).toMatchObject({
+      name: claude.name,
+      displayName: claude.displayName,
+      description: claude.description,
+    });
+  });
+
+  it('is listed in the marketplace from the same folder', () => {
+    expect(marketplace.plugins).toEqual([
+      expect.objectContaining({ name: plugin.name, source: './plugins/agent-commerce-gateway' }),
+    ]);
+  });
+
+  it('points at files inside the plugin folder', () => {
+    // Cursor requires relative manifest paths without `..`
+    for (const path of [plugin.logo, plugin.skills]) {
+      expect(path).not.toMatch(/^\/|^[a-z]+:|\.\./);
+      expect(existsSync(join(pluginDir, path))).toBe(true);
+    }
+    expect(existsSync(join(pluginDir, plugin.skills, 'agent-commerce', 'SKILL.md'))).toBe(true);
+  });
+});