Add skill definitions (SKILL.md + run.py) for all agent tools

skills/web_search/SKILL.md

@@ -0,0 +1,13 @@
+---
+name: web_search
+description: Search the web using SearXNG. Returns titles, URLs, and snippets for the top results. Use this when you need current information or facts you're unsure about.
+parameters:
+  query:
+    type: string
+    description: The search query
+    required: true
+  num_results:
+    type: integer
+    description: Number of results to return (default 5)
+    required: false
+---

skills/web_search/run.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+import sys
+import json
+import urllib.request
+import urllib.parse
+
+args = json.loads(sys.stdin.read())
+query = args.get("query", "")
+num_results = args.get("num_results", 5)
+searx_url = args.get("_searx_url", "https://searx.mymx.me")
+
+try:
+    params = urllib.parse.urlencode({"q": query, "format": "json"})
+    req = urllib.request.Request(
+        f"{searx_url}/search?{params}",
+        headers={"User-Agent": "fireclaw-agent"},
+    )
+    with urllib.request.urlopen(req, timeout=15) as resp:
+        data = json.loads(resp.read())
+    results = data.get("results", [])[:num_results]
+    if not results:
+        print("No results found.")
+    else:
+        lines = []
+        for r in results:
+            title = r.get("title", "")
+            url = r.get("url", "")
+            snippet = r.get("content", "")[:150]
+            lines.append(f"- {title}\n  {url}\n  {snippet}")
+        print("\n".join(lines))
+except Exception as e:
+    print(f"[search error: {e}]")