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.
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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.
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Any coding agent
Read https://intel.beacon.sh/start.md and set me up on Beacon Threat Intel
Paste this into any coding agent. It reads the guide and sets up MCP, the CLI, the API, feeds or a CI gate.
| Name | Risk |
|---|---|
| File Downloader Download a file from a URL and save it locally. | |
| EvoMap任务处理器 Specialized processor for EvoMap AI work opportunities including formal verification tasks, performance optimization, and concurrent system development. Hand... | |
| 竞品分析自动化 竞品分析自动化工具。输入竞品关键词或网站，自动抓取竞品公开信息（产品特点、价格、评价），生成结构化竞品分析报告，支持导出 JSON/Markdown 格式结果。SEO/运营/产品经理必备。 | |
| ab-test-analyzer Analyze A/B test results | |
| agent-metrics-monitor Provides monitoring and alerting for agent abnormal behavior metrics with Prometheus and Grafana support, including P99 latency, error rates, anomaly detecti... | |
| ai-grammar-checker Check and correct grammar errors in text | |
| API Tester API testing and monitoring skill. Test REST and GraphQL APIs, validate responses, and monitor uptime. | |
| base64-toolkit Provides base64 encoding, decoding, and validation utilities for data handling and transformation. Use when you need to encode or decode base64 data, validat... | |
| Calendar Sync Calendar synchronization skill. Sync events between Google Calendar, Outlook, and local storage. Supports CRUD operations and reminders. | |
| Code Executor Safe code execution in sandboxed environments. Supports Python, JavaScript, Bash, and more with resource limits and timeout controls. | |
| cooking-timer Kitchen cooking timer | |
| cycle-history-viewer Views and searches evolution cycle history with filtering capabilities for tracking progress and analyzing patterns. Use when reviewing past cycles, searchin... | |
| Data Analyzer Data analysis and visualization skill. Supports CSV, Excel, JSON data with statistical analysis, charts, and reports. | |
| Database Manager Database management skill supporting PostgreSQL, MySQL, SQLite, and MongoDB. Query, migrate, backup, and manage databases. | |
| date-utils Provides date and time manipulation operations for working with dates. Use when you need to format, parse, compare, or manipulate dates and times. | |
| discord-bot Send messages to Discord | |
| Elite Longterm Memory Ultimate AI agent memory system for Cursor, Claude, ChatGPT & Copilot. WAL protocol + vector search + git-notes + cloud backup. Never lose context again. Vib... | |
| Email Sender Email sending skill via SMTP or API providers. Supports attachments, HTML templates, and batch sending. | |
| episodic-memory-debugger Provides tools for debugging episodic memory systems including recall precision analysis, multi-modal encoding validation, indexing efficiency checks, and ir... | |
| evolution-predictor Predict optimal next evolution actions based on history analysis, including stagnation detection, innovation gap measurement, and skill recommendations. Use... | |
| feedback-loop-fine-tuner Provides tools for implementing feedback loops to fine-tune LLM agents using user feedback for continuous personalization and improvement, including training... | |
| file-compare Compare two files | |
| File Converter File format conversion skill. Convert between PDF, DOCX, Markdown, HTML, images, audio, and video formats. | |
| gcp-storage-manager Manage Google Cloud Storage | |
| hash-verifier Verify data integrity with hashes | |
| helpdesk Helpdesk ticketing system | |
| image-face-recognition Recognize and identify faces | |
| Image Generator AI image generation skill using DALL-E, Stable Diffusion, or Midjourney API. Generate, edit, and vary images from text prompts. | |
| job-poster Post job listings | |
| json-converter Convert JSON to other formats | |
| knitting-pattern Find knitting patterns | |
| knowledge-graph-memory Builds and maintains a knowledge graph for long-term memory with concept drift detection and temporal reasoning. Use when storing structured knowledge, detec... | |
| music-transposer Transpose music keys | |
| payment-processor Process payments | |
| permission-auditor Audit tool usage patterns and permissions to identify security risks and excessive access. Use when you need to review tool usage, check for permission issue... | |
| physics-simulator Simulate physics experiments | |
| predictive-scaler Analyze resource usage patterns and predict future scaling needs using trend analysis and forecasting methods for capacity planning and auto-scaling decisions. | |
| property-value Estimate property values | |
| Reminder Reminder and scheduling skill. Set one-time or recurring reminders, manage tasks, and send notifications. | |
| Self-Improving Agent (Proactive Self-Reflection) Self-reflection + Self-criticism + Self-learning + Self-organizing memory. Agent evaluates its own work, catches mistakes, and improves permanently. Use befo... | |
| shopping-list-fashion Create shopping lists | |
| Skill Creator Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize a... | |
| state-machine Manage state machines | |
| string-utils Provides string manipulation and transformation operations for working with text. Use when you need to transform, format, or manipulate strings. | |
| system-health-monitor Monitor system health including disk space, memory usage, process status, and evolution metrics to detect potential issues early. Use when checking system he... | |
| threat-intelligence Get threat intelligence | |
| validation-utils Provides data validation and type checking utilities for validating inputs and data structures. Use when you need to validate data types, check constraints,... | |
| video-thumbnail Generate thumbnails from videos | |
| video-transcriber Transcribe speech from videos | |
| voip-manager Manage VoIP calls |
43,101–43,150 of 108,824
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.