site: filters.
No API keys required for any built-in channel.
Code
| Channel | What it searches |
|---|---|
github-repos | Repository discovery by stars, activity, topic |
github-issues | Bug reports, feature requests, pain points |
github-code | Code search for implementations and patterns |
npm-pypi | Package registry search for libraries and SDKs |
stackoverflow | Programming Q&A with community-validated solutions |
Academic
| Channel | What it searches |
|---|---|
arxiv | Pre-prints and latest research papers |
semantic-scholar | Academic papers with citation data |
google-scholar | Comprehensive academic search with citation counts |
citation-graph | Follow-up work and references from known papers |
papers-with-code | Papers with associated code implementations |
openreview | Conference papers from ICLR, NeurIPS, ICML |
conference-talks | ML/AI conference presentations and workshops |
Community
| Channel | What it searches |
|---|---|
reddit | Community opinions, user experiences, comparisons |
hn | Hacker News tech discussions and startup signals |
twitter | Social signals with engagement data |
devto | Practitioner blog posts and tutorials |
Chinese platforms
12 dedicated Chinese channels — no other research tool covers the Chinese internet like this.| Channel | What it searches |
|---|---|
zhihu | Chinese Q&A (like Quora) — deep technical discussions |
bilibili | Chinese video — tech tutorials, conference recordings |
csdn | Chinese developer tutorials and code examples |
juejin | Chinese frontend/backend technical articles |
36kr | Chinese tech business news and startup coverage |
wechat | WeChat Official Accounts — long-form industry analysis |
weibo | Chinese social media reactions and trending topics |
xiaohongshu | User experience reports and product reviews |
douyin | Short-form video — viral tech demos |
xiaoyuzhou | Chinese podcasts — interviews and expert conversations |
xueqiu | Chinese investment analysis and stock discussions |
infoq-cn | Chinese enterprise tech practices |
Video
| Channel | What it searches |
|---|---|
youtube | Tutorials, tech talks, product demos with transcripts |
bilibili | Chinese tech videos (also listed under Chinese) |
conference-talks | Conference keynotes and workshop presentations |
Business
| Channel | What it searches |
|---|---|
producthunt | New product launches and startup discovery |
crunchbase | Startup funding data and company profiles |
g2 | Software reviews from verified business users |
linkedin | Professional perspectives and industry signals |
General
| Channel | What it searches |
|---|---|
web-ddgs | Broad web coverage via DuckDuckGo |
rss | Structured feeds — blogs, news, release notifications |
Optional premium channels
These require API keys but provide enhanced capabilities:| Channel | Key needed | What it adds |
|---|---|---|
| Exa | EXA_API_KEY | Semantic web search with paraphrase matching |
| Tavily | TAVILY_API_KEY | Research-oriented search with structured results |
| HuggingFace | None (public API) | Model and dataset discovery |
Adding a channel
See the Contributing guide for how to add a new channel. Each channel is a directory with:SKILL.md— channel definition and search strategysearch.py— async search function returning[{url, title, snippet}]