Lookout — web research with source-level proof: search, fetch, extract, cache, and citations.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
One-click editor setup isn’t available for this listing yet — we don’t have a confirmed install command, and we’d rather show nothing than point your editor at the wrong package or host. Follow the project’s own setup instructions, linked above.
Manual Client & Custom JSON ConfigExpand JSON ▾
No confirmed setup config for this listing yet. We only publish a config block when the install details come from the project itself — its README, its docs, or a verified owner. We haven’t found those for Lookout, and we’d rather show nothing than a guess you’d paste into your client. Follow the project’s own setup instructions for the current steps.
Documentation Overview
Merged into anymd (2026-09-25). anymd reads PDFs, Office files, EPUB, web pages, images and video into clean Markdown for AI agents:
npx -y @sylphx/anymd. This repository is archived.
Lookout
Web answers with source-level proof.
Search and fetch citeable excerpts. No API key. Hits name the adapter. Fetches keep a span, warnings, and gaps. Multi-step research is a separate tool.
npm @sylphx/lookout · bin lookout · MCP io.github.SylphxAI/lookout
The problem
A search snippet is a title and a URL. The agent then paraphrases a page it never opened. When the body is missing, a confident summary is worse than a gap.
The difference
| A snippet says | Lookout returns |
|---|---|
| “Release notes” and a URL | title, description, excerpt span, and any table rows it could read |
| nothing when the fetch fails | a warning or an error: blocked address, HTTP status, truncation, empty extract |
Fetch reads the HTTP response. It does not run JavaScript, and it does not write a model summary.
Search, then open the page
search queries DuckDuckGo HTML, Wikipedia OpenSearch, the npm registry, and Hacker News Algolia, then ranks the hits. It does not fetch those pages and it does not run web_research.
Install
That starts a stdio MCP server. No API key.
| Your client | Setup |
|---|---|
| Any agent / CLI | npx -y @sylphx/lookout |
| Claude Code | claude mcp add lookout -- npx -y @sylphx/lookout |
| Claude Desktop / Cursor / VS Code / Codex | "command": "npx", "args": ["-y", "@sylphx/lookout"] |
Tools
| Tool | When to call it |
|---|---|
web_search | Ranked hits from the four public adapters. No API key. |
web_fetch | One URL. SSRF checks, redirect cap, size cap, body-prefix span. |
web_extract | Title, metadata, tables, and spans from HTML or a URL. |
web_cache | Query or manage the on-disk cache. Not a web search. |
web_crawl | Bounded same-origin crawl. Not the search default. |
web_research | Named multi-step tool: search, then fetch and extract the top pages (default 3, max 6). |
web_diff | Added and removed words between two texts or two URLs. |
There is no profile switch. The tool you name is the work that runs. Cache is on for search and fetch unless you pass useCache: false. A cache hit replays an earlier response from disk. The first search still needs the network.
What it will not pretend
- Private, loopback, and link-local addresses are rejected.
- A failed adapter, a non-200 response, a truncated body, or an empty extract is reported. It is not turned into a clean answer.
web_fetchdoes not honorrobots.txtunless you setrespectRobots: true.web_crawlhonors it unless you turn that off.- Lookout does not render a browser and does not synthesize an answer.
Companion MCP tools
| Product | Job |
|---|---|
| Citra | PDF answers with page-level proof |
| Iris | Image facts and pixel evidence |
| Cue | Video timelines and timestamp evidence |
| Spine | Repository architecture and impact |
| Locus | Exact code-chunk retrieval |
Each product is independent. Install only the tools your agent needs.
Documentation
| Website | sylphxai.github.io/lookout |
| Quickstart | Install and first call |
| Compare | Firecrawl, Tavily, and what Lookout actually does |
Development
License
MIT
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