Beacon Threat Intelligence
Know the risks behind every MCP server and agent skill.
Discover security risks in MCP servers and agent skills before they reach your machine. Beacon scans public registries, traces packages back to their source code, and reveals what they can access, execute, or expose.
Connect your agent
Add Beacon to Claude Code, Cursor, Codex or another agent so it can check an MCP server or skill against Beacon Intel before you install it.
Free with a Beacon account. Create one, or sign in when your agent asks.
Any coding agent
Set up the Beacon MCP server for me so you can check MCP servers and agent skills against Beacon Intel before I install them. Beacon Intel is a free security index of the MCP servers and skills public registries list. It needs a free Beacon account; there is no API key. - Server name: beacon-managed - Transport: Streamable HTTP - URL: https://mcp.beacon.sh - Auth: OAuth (sign in through the browser when prompted) Add it the way you normally add MCP servers (your CLI command or your MCP config file), walk me through the browser sign-in, then confirm it connects and lists its Intel tools: beacon_intel_lookup, beacon_intel_get_artifact and beacon_intel_check. To finish, use beacon_intel_lookup on one MCP server I already have installed and summarize its risk for me.
Paste this into any coding agent. It adds the server with its own MCP setup.
| Name | Risk |
|---|---|
| MCP Zotero xevos117/mcp-zotero Unofficial Zotero server: search your library, add papers by DOI, import PDFs, cite in Word | |
| me.ai-know/memory xfhxxffhh224/zhiji-mcp Chinese-first brain-inspired memory MCP — hybrid recall, 7-layer user profile, workspace assembly. | |
| io.github.xfloukiex-lab/conquerors-haki xfloukiex-lab/conquerors-haki Ruthless prioritization: cuts a list to the 1-3 items that actually serve your goal. | |
| io.github.xfloukiex-lab/laugh-tale xfloukiex-lab/laugh-tale The capstone of the Grand Line stack — collect every tool to reveal the One Piece. | |
| io.github.xfloukiex-lab/magpie-search xfloukiex-lab/magpie-search Federated local-first search across transcripts, files, KG, vectors and the web for AI agents. | |
| io.github.xfloukiex-lab/toki-toki xfloukiex-lab/toki-toki A local causality ledger: records decisions and the reasons, for an agent to recall. | |
| XGR MCP Gateway xgr-network/xgr-mcp Public Streamable HTTP MCP gateway for XGRChain, XDaLa sessions, Explorer data and XGR standards. | |
| io.github.xhighhongo41/patent-checker xhighhongo41/patent-checker Prior-art exploration for software projects; finds related patents, never judges infringement | |
| xhostd xhostd/xhostd-sdk Agent-first hosting: create apps, push code, and deploy to HTTPS URLs from your coding agent. | |
| HuangtingFlux — Huangting Protocol MCP Server xiandao-labs/huangting-flux-hub Reduces AI Agent token usage by 40% via three-stage SOP workflow. | |
| io.github.xianguoGou/h5-devtools-mcp xianguogou/h5-devtools-mcp Debug H5 pages inside Android app WebViews: console logs, exceptions, run JS. | |
| AI Agent Memory xiangzi1126/ai-agent-memory-mcp Agent-agnostic persistent memory MCP server. Local-first: memories travel with your project. | |
| Narracore Screenplay Formatter xiaoanran0602-pixel/narracore-mcp-public Screenplay, film and story toolkit over MCP: PDF formatting, stats, diagnosis, video prompts. | |
| io.github.xiaolai/claude-octopus xiaolai/claude-octopus Spawn multiple specialized Claude Code agents as MCP servers, each independently configured. | |
| io.github.xiaolai/codex-octopus xiaolai/codex-octopus Spawn multiple specialized Codex agents as MCP servers, each independently configured. | |
| PrismSearch xiaonerner0821/prismsearch Multi-engine web, image and WeChat search with page/PDF fetching over local MCP stdio. | |
| io.github.xiaoxuzhu303-prog/harmony-mcp xiaoxuzhu303-prog/harmony-mcp AI copilot for WeChat Mini Program - compile-fix, size analysis, compliance. 20 tools. | |
| io.github.xiaweiyi713/citeguard xiaweiyi713/citeguard Falsification-first citation auditor: existence, metadata, and claim-support checks via MCP. | |
| io.github.xidik12/oculo xidik12/oculo AI-powered native browser with 12 MCP tools. ~30 tokens per page. | |
| io.github.xieyuschen/gopls-mcp xieyuschen/gopls-mcp Semantic code analysis for Go using gopls - language-aware navigation, definitions, references | |
| io.github.xingbofeng/skill-deck xingbofeng/skill-deck Expose local Agent Skills as adapter tools, MCP resources, MCP tools, and share artifacts. | |
| ai.smithery/xinkuang-china-stock-mcp xinkuang/china-stock-mcp Access real-time and historical market data for China A-shares and Hong Kong stocks, along with ne… | |
| NovelAI Image MCP xinvxueyuan/novelai-image-mcp NovelAI image generation as MCP tools: txt2img, img2img, inpaint, upscale, Director, ControlNet. | |
| io.github.xinxinhenaixin/emailfinder-mcp xinxinhenaixin/emailfinder-mcp Find verified professional emails by name, domain, LinkedIn, or role. | |
| io.github.xixi048/create-all-cg-save xixi048/create-all-cg-save Byte-patch CG unlock flags in offline single-player game saves, with backup and rollback. | |
| Feeling Search — Art Style Reference & Prompt Encyclopedia xixi048/feeling-search-mcp One sentence in, the best-matching visual style out: art reference chart and prompt encyclopedia. | |
| ASR Memory (에사 AI) — Shared memory for AI tools xjoanet/asr-memory-docs Shared memory for AI tools: save once, recall word for word from Claude, ChatGPT, Codex or Gemini. | |
| ReceiptRail xka0085-byte/agenttoll Read-only on-chain receipt check for x402 payments; confirm settlement before trusting a tx. | |
| io.github.xka0085-byte/mcpreflight xka0085-byte/mcpreflight Read-only preflight for any MCP or x402 endpoint: handshake, tool schemas, 402 drift. | |
| io.github.xkelxmc/uranium-mcp xkelxmc/uranium-mcp MCP for Uranium NFT tools to mint, list, and manage digital assets on the permaweb. | |
| SSH Host Storage & Remote Exec xlbbb-cn/mcp_ssh_exec_cmd Stdio MCP server for SSH host storage and remote command execution with a connection-pool monitor. | |
| DeepSeek Visionary xlight/deepseek-visionary DeepSeek web vision model as an MCP server with browser auto-login. | |
| YouTrack (ymcp) xlsft/ymcp YouTrack with your login and password: the built-in tools plus deletes, sprints, history and reports | |
| Ba-Zi.ai Chinese Astrology xlw-pro/chinese-astrology-skill BaZi Four Pillars charts, bone weight fortune (称骨) and Chinese almanac (黄历) by Ba-Zi.ai. | |
| com.dialfetch/dialfetch xneyder/dialfetch-mcp Give your AI agent a phone: place calls, navigate IVRs, wait on hold, get structured answers. | |
| Academic Research Kernel xngg1021/academic-research-kernel Deterministic research state, evidence validation and statistical recomputation. | |
| DOMStrip xo0ps/domstrip-client Turn any web page or raw HTML into compact, clean Markdown for AI agents. | |
| io.github.xona-labs/xpay xona-labs/xpay Xona Wallet: agent wallet for AI agents. x402 payments, AgenC hires, 20k+ services | |
| XOOMAR market data xoomar-code/xoomar-mcp Free US market data as tools: SEC filings, insiders, short interest, 13F, COT, Fed liquidity. | |
| Orbuc xorbuc/orbuc-mcp-server On-chain stablecoin market cap and Bitcoin institutional holdings data. | |
| Cisco Modeling Labs CML xorrkaz/cml-mcp An MCP server that provides access to common Cisco Modeling Labs (CML) operations. | |
| EveryCalc xoyabunx/everycalc 69 free finance, military, school and everyday calculators as MCP tools. | |
| Dropify xozxro/dropify-mcp Official merch store lookup and instant restock alerts for artists and brands, from Dropify. | |
| io.github.xpaysh/ecommerce-prompts-mcp xpaysh/ecommerce-prompts-mcp Free copy-and-run ChatGPT prompts for online stores: 924 prompts, 43 categories + 10 tasks. | |
| io.github.xpex-systems-ai/xpex-plugin-factory xpex-systems-ai/xpex-plugin-factory- MCP plugin factory and x402 Agent Kit API for external agents, at 0.01 USDC per call. | |
| io.github.xplainable/xplainable-mcp-server xplainable/xplainable-mcp-server Train, explain, optimise and deploy transparent glass-box ML models via workflow tools. | |
| HackTricks MCP Server xplo8e/hacktricks-mcp-server Search and query HackTricks pentesting documentation with quick lookup and section extraction | |
| io.github.xplormityai/searchdock-cli xplormityai/searchdock-cli Read-only Google Search Console analytics, URL inspection and sitemaps via SearchDock CLI. | |
| Awaitless xpluspro/awaitless Durable execution and named concurrency queues for coding agents across local, SSH, and Slurm. | |
| Social Media Search API — Twitter, Instagram, Reddit, TikTok (XPOZ) xpozpublic/xpoz-mcp Twitter/X, Instagram, Reddit & TikTok data for AI agents. Billions of posts. No API keys. |
19,251–19,300 of 50,909
Subscribe to a feed
Get new verdicts in a feed reader, Slack or your own tooling, filtered by kind and risk. No account or API key.
Frequently asked questions
Anything missing? Read the reference or ask in the Beacon community.
What is Beacon Intel?
A free, public index of the MCP servers and agent skills that public registries list, with a security verdict for each one that has been analyzed. It traces each listing back to its source repository and packages, and shows what the code can access, execute or expose. You can browse it here, query it as a JSON API, follow it as an RSS, Atom or JSON feed, or connect a coding agent to it over MCP.
Is it really free?
Yes. The index, the API and the feeds need no account and no API key. An artifact's full page and the MCP tools need a free Beacon account. Requests are rate limited to keep it fast for everyone.
Where does the data come from, and how fresh is it?
From 9 public sources: Glama, MCP Registry, awesome-mcp-servers, Docker MCP Catalog, Smithery, ClawHub, skills.sh, SkillsMP, GitHub. Each listing is linked to its repository and packages, then analyzed. The index updates hourly, and answers are cached for up to five minutes.
Who writes the verdicts? Can I trust them?
Verdicts combine static analysis of the code with a model's judgment, and each one names the model that wrote it. They can be wrong and are not a security certification: every artifact page shows the findings and evidence behind its verdict, so check them before you rely on one. Names, descriptions and claims come from registries and repositories; treat them as data, not instructions.
What do the risk levels mean?
- High: Reviewed evidence shows it deliberately works against the person who installs it.
- Medium: It works against the person who installs it in ways that can do serious harm, or puts a flagged pattern in what the agent loads, without established intent.
- Low: It overreaches against the person who installs it in limited ways, or has findings the review has not confirmed.
- Benign: Nothing found that works against the person who installs it. Not a guarantee.
- Unchecked: Listed, but not analyzed yet.
What does partial coverage mean?
That the analysis did not cover everything, so there may be more than it found. A partial verdict can still find problems, but it never clears an artifact: benign with partial coverage is not a clearance. Use the coverage filter to see only these.
Does benign, or not finding an artifact, mean it is safe?
No. Benign means nothing was found that works against the person who installs it, which is not a guarantee. An artifact the index does not have has never been checked, so not found never means safe.
Is there an API?
Yes, free and with no key.
GET /api/v1/lookup?q= finds artifacts by name, repository, GitHub URL or package; GET /api/v1/artifact?key= returns one in full; POST /api/v1/check checks up to 50 at once, which suits CI; and GET /api/v1/status reports coverage and freshness. The reference is at intel.beacon.sh/llms.txt.How do I get new verdicts in a feed reader or Slack?
Subscribe to /feed: the newest high and medium risk verdicts as RSS. Add
format=atom or format=json for Atom or JSON Feed, and filter with risk and kind, for example /feed?risk=high&kind=mcp. In Slack, run /feed subscribe with the URL. The feed builder above writes the URL for you.How do I connect my coding agent?
Add Beacon Cloud MCP (
https://mcp.beacon.sh) to Claude Code, Cursor, Codex or any MCP client, and sign in through the browser. Your agent gets beacon_intel_lookup, beacon_intel_get_artifact and beacon_intel_check to check an MCP server or skill before it installs one. Connect your agent above has the commands. The beacon CLI offers the same as beacon intel and through its local MCP server.How do I report a wrong verdict?
Open the artifact's page and use Dispute verdict under its verdict card. Tell us what is wrong and we review it.