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Ask about a topic and last30days searches recent discussions across Reddit, X, YouTube, Hacker News, Polymarket, GitHub, and the wider web, then synthesizes cited findings using signals such as votes, comments, or market odds. It can fall back to web-only research without keys, while richer sources require your own API credentials, browser sessions, or helper tools, and it runs in many Agent Skills hosts or as a Claude Desktop MCP bundle.

Claude Scientific Writer combines literature search, citation management, peer review, and specialized scientific-writing skills for papers, reviews, reports, posters, slides, and grant proposals. It can run as a Claude Code plugin or through its Python package and API. Research lookup in version 2.13 and later requires a PARALLEL_API_KEY, while some image-generation features optionally use OpenRouter.

Cairn records trust ratings for web pages, search results, MCP tools, and network-bound commands so later agents can check how those resources performed for other reviewers. In Claude Code, post-tool hooks can rate calls in the background; Desktop and web installs expose explicit scoring tools instead. Each rating consumes either Claude subscription quota or Anthropic API spend, and rating data is sent to the Cairn service, so cadence and privacy controls matter.

Ask about a container tradelane, port, liner service, carrier network, or freight-rate movement, and the skill searches public alliance documents, carrier releases, port statistics, indices, and trade reporting with citations. It bundles a research method rather than a dataset and excludes air, inland, bulk, and tanker transport. Exact rotations, transit times, cut-offs, and rates still need confirmation from the carrier or forwarder before a commercial decision.