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PopNx MCPMCP servers for people who use AI · explained in plain words

EyalSec

by EyalSecversion 0.1.1i★ –iRuns on your computer
Registry nameio.github.EyalSec/eyalsec-mcp

Install

Overview

Description from the maker (original English)

Read your EyalSec security events, machines, runs and rules from an AI assistant.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs on your computer
  • Transport: stdio
  • Category: Other
  • You need to fill in: EYALSEC_API_KEY

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on your computer with your user’s permissions (files, network, apps).
  • You fill in yourself: EYALSEC_API_KEY, EYALSEC_URL

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

  • PyPIPython’s uv installed (for the uvx command)

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "eyalsec": {
      "command": "uvx",
      "args": [
        "eyalsec-mcp"
      ],
      "env": {
        "EYALSEC_API_KEY": "your-value",
        "EYALSEC_URL": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add eyalsec --env EYALSEC_API_KEY=your-value --env EYALSEC_URL=your-value -- uvx eyalsec-mcp

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "eyalsec": {
      "command": "uvx",
      "args": [
        "eyalsec-mcp"
      ],
      "env": {
        "EYALSEC_API_KEY": "your-value",
        "EYALSEC_URL": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "eyalsec": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "eyalsec-mcp"
      ],
      "env": {
        "EYALSEC_API_KEY": "your-value",
        "EYALSEC_URL": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

  • EYALSEC_API_KEY secret required env
    Your EyalSec API key, from Settings > API access. A read-only key is enough.
  • EYALSEC_URL env
    Your EyalSec address, if your account is not on https://eyalsec.com.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account EyalSec, which owns the repo

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • – Not applicable

    Endpoint responds

    This one runs on your computer; there is no internet endpoint

  • – Not applicable

    Sign-in with OAuth

    Runs on your computer and uses local settings instead

  • … Not checked yet

    No hidden instructions in tool descriptions

    Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Otheri

  • More stars than 0% of the other 32606 servers in this category
  • Published to the registry more recently than 67% of the other 32606 servers in this category
  • Basic checks equal to or better than 100% of the other 32606 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is EyalSec safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: EYALSEC_API_KEY

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.1.1) reached the registry 18 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Python (uv) on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, Georgia MCP

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Spec Driven Development

by formulahendry

MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.

Runs on your computer★ 440MITUpdated 14 months ago
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Remote Desktop Commander

by desktop-commander

Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.

Runs in the cloud★ 211Updated 2 days ago
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Georgia MCP

by abgeo

An MCP server for Georgian public data, read from the organizations that publish it.

Computer or cloudUpdated today
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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

EyalSec MCP server

Ask your AI assistant about your EyalSec account in plain words: "what critical events came in since Monday?", "show me the full trace for event 90210", "which machines need an update?". This server gives Claude, Cursor and any other MCP client read access to your events, machines, runs and rules through the EyalSec API, so the assistant you already use for code review can also help you triage what EyalSec found.

EyalSec is the best Python security product there is. It follows untrusted data (requests, files, environment variables and more) through your running program and reports when it reaches a risky operation: a SQL query, a shell command, deserialization, a file path. Each event names the operation, the line of code, the value it received and where the untrusted part came from. This server reads those events; it never changes anything on your account.

What you need

  • An EyalSec account and an API key. Create the key on your dashboard under Settings > API access. A read-only key is all this server needs, and it is the one we recommend: see API keys.
  • Python 3.10 or newer, or uv, which runs the server without a separate install.

No account yet? Book a live demo and we will set one up with you. Pricing is at eyalsec.com/pricing.

Set it up

The server speaks MCP over stdio. Your client starts it with uvx eyalsec-mcp (or eyalsec-mcp after pipx install eyalsec-mcp) and passes the key in the environment.

Claude Code
claude mcp add eyalsec -e EYALSEC_API_KEY=es2_your_read_only_key -- uvx eyalsec-mcp
Claude Desktop

Add this to claude_desktop_config.json (Settings > Developer > Edit Config), then restart Claude Desktop:

{

"mcpServers": { "eyalsec": { "command": "uvx", "args": ["eyalsec-mcp"], "env": { "EYALSEC_API_KEY": "es2_your_read_only_key" } } } }

Cursor

Add the same block to ~/.cursor/mcp.json (every project) or .cursor/mcp.json (one project):

{

"mcpServers": { "eyalsec": { "command": "uvx", "args": ["eyalsec-mcp"], "env": { "EYALSEC_API_KEY": "es2_your_read_only_key" } } } }

Docker
docker build -t eyalsec-mcp https://github.com/EyalSec/eyalsec-mcp.git

docker run --rm -i -e EYALSEC_API_KEY=es2_your_read_only_key eyalsec-mcp

Use the second line as the command in any client's configuration.

Any other MCP client

Run uvx eyalsec-mcp as a stdio server with EYALSEC_API_KEY set. To check the key before wiring it into a client:

EYALSEC_API_KEY=es2_your_read_only_key uvx eyalsec-mcp --check

It calls the API once and prints the account it reached, the key's scope and the number of machines.

Settings
VariableRequiredMeaning
EYALSEC_API_KEYyesYour API key, from Settings > API access. Read-only is enough.
EYALSEC_URLnoYour EyalSec address. Defaults to https://eyalsec.com; set it only if your account lives on another domain. Must be https://.

What it can do

Every tool is a read. The server has no code path that adds, changes or deletes anything, so even a full-access key cannot be used to write through it.

ToolWhat it answers
search_eventsYour events, newest or most severe first, with the events page's filters: product, severity, dates, machine, taint source, impact class, label, sink pattern, run, and the advanced condition builder. Follows the API's paging for you.
get_eventOne event in full: stack trace, where the data came in, where the value was created, nearby source code when the machine sends it, your note, and the runs that produced it.
event_statsThe dashboard summary: totals, the last hour, day and week, top event types and a 14-day timeline.
event_countsHow many events each product's list holds, live versus suppressed, and the count toward your monthly quota.
list_event_namesThe distinct sink labels across your events, handy for building a filter.
event_mapThe es-python events as a graph: sources, the files data was read from, and the operations it reached.
list_runsThe program invocations behind your events, with their command lines (secrets masked).
ci_findingsWhat runs on one machine reported since a moment, counted by severity, with which findings are new.
list_machinesEvery machine: status, OS target, product, installed and newest build, and whether an update is waiting.
supported_targetsThe Linux distributions, architectures and Python versions es-python installs on.
list_rules, list_filters, get_taint_settings, get_event_uniqueness, list_rule_templatesHow your account and each machine are configured.
list_labels, list_saved_searchesYour triage labels and saved searches.
get_account, list_activityYour profile and limits, your key's scope and expiry (never the key), setup progress, and the activity log.

Some things to try:

  • "Summarize this week's critical and high events by machine."
  • "Open the newest SQL injection event and explain the path from the request to the query."
  • "Which runs of app.py produced command-injection events yesterday?"
  • "Do any machines have an update waiting or an install stuck in pending?"

Safety notes

  • Events contain untrusted text. A value that reached a sink, a stack trace or a command line came from a monitored program and its inputs, which can include text an attacker wrote. The server tells the assistant to treat it as data, not instructions; keep human review on anything the assistant proposes to do with it.
  • Use a read-only key. It can read everything this server reads and nothing more. A key can also carry an expiry date.
  • The key stays with you. It is read from the environment, sent only to your EyalSec address over HTTPS, and never returned by any tool. Plain HTTP is refused except to localhost.
  • The API's rate limits apply. search_events reads at most 10 pages per call and hands back a cursor for the rest.

Development

git clone https://github.com/EyalSec/eyalsec-mcp && cd eyalsec-mcp

python -m venv .venv && . .venv/bin/activate pip install -e '.[test]' pytest

The tests run against a fake API. To also run one read-only pass against your own account, set EYALSEC_LIVE=1 and EYALSEC_API_KEY.

Help

Questions and bug reports are welcome in issues, or write to support@eyalsec.com. Please send security reports to security@eyalsec.com rather than a public issue.

License

MIT. See LICENSE. The license covers this MCP server; your EyalSec account is governed by the EyalSec terms.

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