{
 "schema_version": 1,
 "generated": "2026-10-20",
 "repo": "w3cj/jev-chat",
 "name": "jev-chat",
 "owner": "w3cj",
 "slug": "w3cj-jev-chat",
 "github": "https://github.com/w3cj/jev-chat",
 "what": "A tool-calling chat bar that runs real MCP tools for weather, units, Wikipedia, recipes, search, tasks and smart home, with no LLM writing the replies.",
 "why": "",
 "language": "TypeScript",
 "requirements": [
  "Node 24 or later and pnpm 11 (run corepack enable to pick up the pinned version)",
  "A TypeSafe API key in TYPESAFE_API_KEY, since Jev is a paid API and the app shows error replies without it",
  "A terminal and a local browser on the same machine, because the API only listens on 127.0.0.1"
 ],
 "audience_note": "Developers and curious users who want tool answers from a chat bar without a chatbot inventing facts.",
 "risk": "none",
 "section": "earlier",
 "weekly_rank": null,
 "category": "Personal productivity",
 "url": "https://dedupedai.com/use-cases/w3cj-jev-chat/",
 "use_case_count": 4,
 "use_cases": [
  {
   "id": "w3cj-jev-chat--ask-everyday-questions-without-an-llm",
   "title": "Ask weather, unit and recipe questions without an LLM",
   "best": true,
   "url": "https://dedupedai.com/use-cases/w3cj-jev-chat/ask-everyday-questions-without-an-llm/",
   "json": "https://dedupedai.com/use-cases/u/w3cj-jev-chat/ask-everyday-questions-without-an-llm.json"
  },
  {
   "id": "w3cj-jev-chat--manage-tasks-and-home-lights-by-chat",
   "title": "Add Todoist reminders and control Home Assistant by chat",
   "best": false,
   "url": "https://dedupedai.com/use-cases/w3cj-jev-chat/manage-tasks-and-home-lights-by-chat/",
   "json": "https://dedupedai.com/use-cases/u/w3cj-jev-chat/manage-tasks-and-home-lights-by-chat.json"
  },
  {
   "id": "w3cj-jev-chat--answer-facts-from-wikipedia-and-web-search",
   "title": "Answer factual questions from Wikipedia and web search",
   "best": false,
   "url": "https://dedupedai.com/use-cases/w3cj-jev-chat/answer-facts-from-wikipedia-and-web-search/",
   "json": "https://dedupedai.com/use-cases/u/w3cj-jev-chat/answer-facts-from-wikipedia-and-web-search.json"
  },
  {
   "id": "w3cj-jev-chat--trace-why-a-tool-was-picked",
   "title": "Trace why the chat bar picked a tool",
   "best": false,
   "url": "https://dedupedai.com/use-cases/w3cj-jev-chat/trace-why-a-tool-was-picked/",
   "json": "https://dedupedai.com/use-cases/u/w3cj-jev-chat/trace-why-a-tool-was-picked.json"
  }
 ],
 "disclaimer": "Third-party repos we don't own or vouch for. AI-generated use cases can be wrong: review everything and run at your own risk."
}