{
  "markdown": "# arxivsub-mcp\n\nAn [MCP](https://modelcontextprotocol.io) server for **[arXivSub](https://arxivsub.comfyai.app)** — search arXiv and the top AI / CV / ML / robotics / NLP conferences, follow any paper to its related work, build research analytics, and manage a personal library, straight from your AI agent (Claude Desktop, Cursor, Cline, Claude Code, Windsurf, …).\n\narXivSub summarizes every paper into a structured 6-part breakdown (what it's about, innovations, techniques, datasets, results, limitations) and indexes it for semantic search across **arXiv + CVPR, ICCV, ECCV, ICLR, ICML, NeurIPS, AAAI, MICCAI, CoRL, RSS, ACL, EMNLP, ICRA, IROS, IJCAI, SIGGRAPH, SIGGRAPH Asia**. This server puts that engine directly in your agent's hands.\n\n## Get a free key (7-day trial, no credit card)\n\n1. Sign in at **https://arxivsub.comfyai.app/skills** with email or Google.\n2. Copy your API key from the Skills page.\n3. Put it in the server config below as `ARXIVSUB_SKILL_KEY`.\n\nNew accounts get a **7-day free trial** of the full skill. After that it's part of arXivSub Pro.\n\n## Install\n\nThe server runs via `npx` — no manual install needed. Add it to your MCP client's config.\n\n**Claude Desktop** (`claude_desktop_config.json`), **Cursor** (`~/.cursor/mcp.json`), **Windsurf**, **Cline**, etc.:\n\n```json\n{\n  \"mcpServers\": {\n    \"arxivsub\": {\n      \"command\": \"npx\",\n      \"args\": [\"-y\", \"arxivsub-mcp\"],\n      \"env\": { \"ARXIVSUB_SKILL_KEY\": \"your_key_here\" }\n    }\n  }\n}\n```\n\n**Claude Code:**\n\n```bash\nclaude mcp add arxivsub --env ARXIVSUB_SKILL_KEY=your_key_here -- npx -y arxivsub-mcp\n```\n\n**Codex CLI:**\n\n```bash\ncodex mcp add arxivsub --env ARXIVSUB_SKILL_KEY=your_key_here -- npx -y arxivsub-mcp\n```\n\nOr add it to `~/.codex/config.toml` directly:\n\n```toml\n[mcp_servers.arxivsub]\ncommand = \"npx\"\nargs = [\"-y\", \"arxivsub-mcp\"]\nenv = { ARXIVSUB_SKILL_KEY = \"your_key_here\" }\n```\n\nRestart your client and the tools below become available.\n\n## claude.ai (remote connector)\n\nOn [claude.ai](https://claude.ai) there's nothing to install, add a hosted connector:\n\n1. **Settings → Connectors → Add custom connector**\n2. **Name**: `arxivsub`\n3. **Remote MCP server URL** (replace `YOUR_KEY` with your key from https://arxivsub.comfyai.app/skills):\n\n   ```\n   https://qtevnmgyobilaanrzidq.supabase.co/functions/v1/mcp?key=YOUR_KEY\n   ```\n\n4. Leave the OAuth fields empty and click **Add**.\n\nThis is a hosted [Streamable HTTP](https://modelcontextprotocol.io) MCP endpoint, a thin adapter over the arXivSub gateway exposing the same tools. Source: [`supabase/functions/mcp/index.ts`](supabase/functions/mcp/index.ts).\n\n## Tools\n\n| Tool | What it does |\n|------|--------------|\n| `search_papers` | Semantic + keyword search over arXiv and conferences. Filters: venues, recency, year, `has_code`. Returns each paper's 6-part summary, authors, PDF, and code link. |\n| `find_similar_papers` | Nearest-neighbour \"related work\" for a paper you already found. Chainable for a mini literature review. |\n| `research_insight` | Pivot analytics (the website's Custom Chart engine): trends, rankings, breakdowns. *Pro / trial.* |\n| `library_save` | Save/update a paper in your personal library — notes, reading status, collections. |\n| `library_list` | List your saved papers and collections. |\n\nJust ask your agent naturally — *\"find recent papers on LLM safety with code\"*, *\"more work like this one\"*, *\"how has interest in diffusion models trended by month\"*, *\"save this to my \"to read\" collection\"* — and it will pick the right tool.\n\n## Notes\n\n- **Case-sensitive venues:** `arxiv`, `CVPR`, `ICCV`, `ECCV`, `ICLR`, `ICML`, `NeurIPS`, `AAAI`, `MICCAI`, `CoRL`, `RSS`, `ACL`, `EMNLP`, `ICRA`, `IROS`, `IJCAI`, `SIGGRAPH`, `SIGGRAPH Asia`.\n- **Quota:** each search / similar / insight call uses one daily quota unit; library calls are free. The remaining quota is returned with every result.\n- **Privacy / security:** the server only holds your skill key and talks to the arXivSub gateway over HTTPS. It has no direct database access and no service credentials.\n\n## Development\n\n```bash\nnpm install\nnpm run build           # tsc -> dist/\nARXIVSUB_SKILL_KEY=... node dist/index.js   # run over stdio\n```\n\n## License\n\nMIT\n",
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