---
title: "Channels"
description: "All 40 search channels — tiers, languages, and requirements"
---

AutoSearch organizes channels into three availability tiers. Run `autosearch doctor` to see live status.

## Tier 0 — Always-on (28 channels)

No configuration needed. Available immediately after install.

| Channel | Languages | Description | Yield |
|---|---|---|---|
| arxiv | en | Academic preprints in CS/ML/physics | medium-high |
| bilibili | zh, mixed | Chinese tech videos and tutorials | medium |
| crossref | en | Cross-publisher scholarly search via DOI registry | medium |
| dblp | en | Computer science bibliography — papers, proceedings | medium |
| ddgs | en, mixed | DuckDuckGo web search, no auth required | medium |
| devto | en, mixed | Developer blog articles tagged by technology | medium |
| dockerhub | en | Docker image and container registry search | medium |
| github | en | Code, issues, and repository discovery | high |
| google_news | en, mixed | Current news headlines via Google News RSS | high |
| hackernews | en | Developer discussion, tooling opinions, early product signals | medium-high |
| huggingface_hub | en, mixed | Open ML models on Hugging Face Hub | high |
| infoq_cn | zh, mixed | Chinese engineering articles from InfoQ 中文 | medium |
| kr36 | zh, mixed | Chinese tech business news and startup funding from 36kr | medium |
| linkedin | en, mixed | LinkedIn public company profiles and articles via Jina Reader | low |
| discourse_forum | zh, mixed | Linux DO and Discourse-based public forum discussions | medium |
| openalex | en, mixed | Scholarly works via OpenAlex open-access API | high |
| package_search | en, mixed | PyPI and npm package discovery | medium |
| papers | en, mixed | Multi-source academic search (arxiv + pubmed + biorxiv + more) | high |
| podcast_cn | zh, mixed | Chinese podcasts via Apple iTunes API | low |
| pubmed | en | Biomedical and life-science literature from PubMed | medium-high |
| reddit | en, mixed | Community discussions and user experience reports | medium |
| sec_edgar | en | US public company filings (10-K, 10-Q, 8-K) | medium |
| sogou_weixin | zh, mixed | WeChat Official Account articles via Sogou | high |
| stackoverflow | en, mixed | Programming Q&A with community-voted answers | high |
| tieba | zh | Chinese community forum discussions on Baidu Tieba | medium |
| v2ex | zh, mixed | Chinese developer community — programming, tech, career | medium |
| wikidata | en, mixed | Structured entity data from Wikidata knowledge graph | medium |
| wikipedia | en, mixed | Encyclopedia articles via Wikipedia Action API | high |

## Tier 1 — Env/API gated (10 channels)

Requires an API key, self-hosted URL, or service token.

| Channel | Languages | Setup | Yield |
|---|---|---|---|
| douyin | zh | `autosearch configure TIKHUB_API_KEY <key>` | medium |
| instagram | en, mixed | `autosearch configure TIKHUB_API_KEY <key>` | medium |
| kuaishou | zh, mixed | `autosearch configure TIKHUB_API_KEY <key>` | medium |
| searxng | en, zh, mixed | `autosearch configure SEARXNG_URL <url>` (self-hosted [SearXNG](https://docs.searxng.org)) | medium |
| tiktok | en, mixed | `autosearch configure TIKHUB_API_KEY <key>` | medium |
| twitter | en, mixed | `autosearch configure TIKHUB_API_KEY <key>` | medium |
| wechat_channels | zh, mixed | `autosearch configure TIKHUB_API_KEY <key>` | medium |
| weibo | zh, mixed | `autosearch configure TIKHUB_API_KEY <key>` | medium |
| youtube | en, zh, mixed | `autosearch configure YOUTUBE_API_KEY <key>` ([get free key](https://console.cloud.google.com)) | medium |
| zhihu | zh, mixed | `autosearch configure TIKHUB_API_KEY <key>` | medium-high |

## Tier 2 — Login/cookie gated (2 channels)

Requires account cookies or login-backed setup.

| Channel | Languages | Setup | Yield |
|---|---|---|---|
| xiaohongshu | zh, mixed | `autosearch login xhs` or `autosearch configure XHS_A1_COOKIE <cookie>` | high |
| xueqiu | zh, mixed | `autosearch login xueqiu` or `autosearch configure XUEQIU_COOKIES <cookie>` | medium |

## Login-based channels

Some tier-2 channels can be unlocked by logging in with your own account (using browser cookies):

```bash
autosearch login xhs        # Xiaohongshu
autosearch login twitter    # Twitter/X
autosearch login bilibili   # Bilibili
autosearch login weibo      # Weibo
autosearch login douyin     # Douyin
autosearch login instagram  # Instagram
autosearch login linkedin   # LinkedIn
```

**Xueqiu** (雪球, A-share/HK stock discussion) also supports setting cookie env directly:

```bash
autosearch configure XUEQIU_COOKIES "<cookie-string>"
```

If Chrome auto-extraction fails:
```bash
autosearch login xhs --from-string "<cookie-string>"
```
