Dsh Web Search Ext

Key features

• Two backends todayExa (REST with key, anonymous hosted MCP without) and Firecrawl (v2 search + scrape API, keyed or keyless)
• The only outbound requests are to the configured Exa and Firecrawl endpoints (plus the local verification probes described below)
• Keyless web_fetchfetch a URL through Firecrawl scrape, falling back to Exa's anonymous MCP web_fetch_exa
• no API key required, output capped by fetchMaxChars
• Automatic failoveron any backend failure (429, 401/402/403, 5xx, network, malformed body) the search — and the fetch — falls through to the next backend in order