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102 lines
2.8 KiB
Markdown
102 lines
2.8 KiB
Markdown
---
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summary: "DuckDuckGo web search -- key-free fallback provider (experimental, HTML-based)"
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read_when:
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- You want a web search provider that requires no API key
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- You want to use DuckDuckGo for web_search
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- You need a zero-config search fallback
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title: "DuckDuckGo Search"
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---
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# DuckDuckGo Search
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OpenClaw supports DuckDuckGo as a **key-free** `web_search` provider. No API
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key or account is required.
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<Warning>
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DuckDuckGo is an **experimental, unofficial** integration that pulls results
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from DuckDuckGo's non-JavaScript search pages — not an official API. Expect
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occasional breakage from bot-challenge pages or HTML changes.
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</Warning>
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## Setup
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No API key needed — just set DuckDuckGo as your provider:
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<Steps>
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<Step title="Configure">
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```bash
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openclaw configure --section web
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# Select "duckduckgo" as the provider
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```
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</Step>
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</Steps>
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## Config
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```json5
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{
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tools: {
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web: {
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search: {
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provider: "duckduckgo",
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},
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},
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},
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}
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```
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Optional plugin-level settings for region and SafeSearch:
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```json5
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{
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plugins: {
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entries: {
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duckduckgo: {
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config: {
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webSearch: {
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region: "us-en", // DuckDuckGo region code
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safeSearch: "moderate", // "strict", "moderate", or "off"
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},
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},
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},
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},
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},
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}
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```
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## Tool parameters
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| Parameter | Description |
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| ------------ | ---------------------------------------------------------- |
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| `query` | Search query (required) |
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| `count` | Results to return (1-10, default: 5) |
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| `region` | DuckDuckGo region code (e.g. `us-en`, `uk-en`, `de-de`) |
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| `safeSearch` | SafeSearch level: `strict`, `moderate` (default), or `off` |
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Region and SafeSearch can also be set in plugin config (see above) — tool
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parameters override config values per-query.
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## Notes
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- **No API key** — works out of the box, zero configuration
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- **Experimental** — gathers results from DuckDuckGo's non-JavaScript HTML
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search pages, not an official API or SDK
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- **Bot-challenge risk** — DuckDuckGo may serve CAPTCHAs or block requests
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under heavy or automated use
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- **HTML parsing** — results depend on page structure, which can change without
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notice
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- **Auto-detection order** — DuckDuckGo is checked last (order 100) in
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auto-detection, so any API-backed provider with a key takes priority
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- **SafeSearch defaults to moderate** when not configured
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<Tip>
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For production use, consider [Brave Search](/tools/brave-search) (free tier
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available) or another API-backed provider.
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</Tip>
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## Related
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- [Web Search overview](/tools/web) -- all providers and auto-detection
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- [Brave Search](/tools/brave-search) -- structured results with free tier
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- [Exa Search](/tools/exa-search) -- neural search with content extraction
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