feat: add Claude plugin marketplace catalog (#5)

Author: fatwang2

.claude-plugin/marketplace.json

@@ -0,0 +1,33 @@
+{
+  "$schema": "https://json.schemastore.org/claude-code-marketplace.json",
+  "name": "superagents-lab",
+  "description": "Search1API plugins for live web research.",
+  "owner": {
+    "name": "Search1API",
+    "email": "sys@search1api.com"
+  },
+  "plugins": [
+    {
+      "name": "search1api",
+      "source": "./",
+      "description": "Search the live web, read pages, find news, discover site links, and explore trending topics.",
+      "version": "1.0.0",
+      "author": {
+        "name": "Search1API",
+        "email": "sys@search1api.com"
+      },
+      "homepage": "https://www.search1api.com/docs/integrations/skills",
+      "repository": "https://github.com/superagents-lab/search1api-cli",
+      "license": "MIT",
+      "category": "productivity",
+      "keywords": [
+        "search",
+        "research",
+        "news",
+        "crawl",
+        "fetch",
+        "mcp"
+      ]
+    }
+  ]
+}

README.md

@@ -167,16 +167,24 @@ s1 update --force   # reinstall even if already on the latest version
 
 ## Agent skill and plugins
 
-This repo includes an Agent Skill plus plugin manifests for Claude Code and
-ChatGPT/Codex. The plugins connect to Search1API's hosted MCP server and keep
-the `s1` CLI as a fallback, so the same research workflow works across hosts.
+This repo includes an Agent Skill plus compatibility manifests for Claude Code,
+ChatGPT/Codex, Cursor, and OpenClaw. The plugins connect to Search1API's hosted
+MCP server and keep the `s1` CLI as a fallback, so the same research workflow
+works across hosts.
 
 Install the standalone skill:
 
 ```bash
 npx skills add superagents-lab/search1api-cli
 ```
 
+Install the Claude Code plugin from Search1API's custom marketplace:
+
+```bash
+claude plugin marketplace add superagents-lab/search1api-cli
+claude plugin install search1api@superagents-lab
+```
+
 Developers can validate or test the plugin bundle from a local clone:
 
 ```bash

docs/directory-submission.md

@@ -51,6 +51,9 @@ WeChat, and Bilibili.
 - Repository URL: https://github.com/superagents-lab/search1api-cli
 - Plugin root: repository root.
 - Components: one Agent Skill and one remote MCP connection.
+- Custom marketplace:
+  - `claude plugin marketplace add superagents-lab/search1api-cli`
+  - `claude plugin install search1api@superagents-lab`
 - Validation:
   - `claude plugin validate . --strict`
   - `claude --plugin-dir . plugin list`