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

APC Security Reference Server

by Aleph-Lab-sversion 0.1.0-alpha.1i★ 0iRuns on your computer
Registry nameio.github.Aleph-Lab-s/apc-security-reference-server

How to install

What it does

Reference MCP server for synthetic APC action-security evaluation and local SQLite sandbox testin...

  • Connects Runs on your computer
  • Account or key No key needed
  • Category Cybersecurity

Install

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

Passed 2/2 checks · Runs on your computer

First: which AI do you use?

Pick your app and the steps appear below.

Works with Claude, with some setup first

Install Python (uv) on your computer first (one time) · Only the Claude desktop app (Windows or Mac), not the web or phone

  1. Install Python (uv)

    One time only; it works for every server that needs Python (uv)

    Open the Python (uv) download page ↗

  2. Open the Claude desktop app’s settings file

    SettingsDeveloperEdit Config

  3. Paste these settings and save the file

    {
      "mcpServers": {
        "apc-security-reference": {
          "command": "uvx",
          "args": [
            "apc-action-security"
          ]
        }
      }
    }
  4. Quit Claude and open it again

  5. Try it

    Use APC Security Reference Server and tell me what you can do for me, then show me one thing

    ✓ If Claude says it is using APC Security Reference Server or shows a APC Security Reference Server tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

ChatGPT cannot connect APC Security Reference Server yet

APC Security Reference Server runs on your computer, but ChatGPT can only connect servers that run on the web

What you can do instead

A · Use an app that can connect APC Security Reference Server

  • Install Python (uv) on your computer first (one time) · Only the Claude desktop app (Windows or Mac), not the web or phone
  • Install Python (uv) on your computer first (one time)
  • Install Python (uv) on your computer first (one time)
  • Install Python (uv) on your computer first (one time)

B · Others in Cybersecurity that work with ChatGPT

Picked from the most used in the same category, only ones that connect by address with no key

Works with Claude Code, with some setup first

Install Python (uv) on your computer first (one time)

  1. Install Python (uv)

    One time only; it works for every server that needs Python (uv)

    Open the Python (uv) download page ↗

  2. Open Terminal

    Mac: press Command+Space and type Terminal · Windows: open PowerShell

  3. Paste this command and press Enter

    claude mcp add --scope user apc-security-reference -- uvx apc-action-security
  4. Type /mcp in Claude Code

    You should see APC Security Reference Server listed as connected

  5. Try it

    Use APC Security Reference Server and tell me what you can do for me, then show me one thing

    ✓ If Claude Code says it is using APC Security Reference Server or shows a APC Security Reference Server tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Cursor, with some setup first

Install Python (uv) on your computer first (one time)

  1. Install Python (uv)

    One time only; it works for every server that needs Python (uv)

    Open the Python (uv) download page ↗

  2. Click this button to open Cursor

    Open in Cursor

    Cursor asks you to confirm; click Install

  3. Open the AI chat in Cursor in Agent mode

  4. Try it

    Use APC Security Reference Server and tell me what you can do for me, then show me one thing

    ✓ If Cursor says it is using APC Security Reference Server or shows a APC Security Reference Server tool in the answer, you are connected

Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with VS Code, with some setup first

Install Python (uv) on your computer first (one time)

  1. Install Python (uv)

    One time only; it works for every server that needs Python (uv)

    Open the Python (uv) download page ↗

  2. Click this button to open VS Code

    Open in VS Code

    VS Code asks you to confirm; click Install

  3. Open the AI chat in VS Code in Agent mode

  4. Try it

    Use APC Security Reference Server and tell me what you can do for me, then show me one thing

    ✓ If VS Code says it is using APC Security Reference Server or shows a APC Security Reference Server tool in the answer, you are connected

Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Other apps that use MCP, such as Windsurf, Zed or Gemini CLI, each add servers differently. See how in the app list.

See every app that uses MCP →

JSON settings are under “For developers” below

Stuck? Ask people who use APC Security Reference Server💬 Discussion →
For developers: Terminal commands and JSON settings

Installed on your computer

Claude Code

claude mcp add --scope user apc-security-reference -- uvx apc-action-security

Claude Desktop (claude_desktop_config.json)

{
  "mcpServers": {
    "apc-security-reference": {
      "command": "uvx",
      "args": [
        "apc-action-security"
      ]
    }
  }
}

Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "apc-security-reference": {
      "command": "uvx",
      "args": [
        "apc-action-security"
      ]
    }
  }
}

VS Code (mcp.json)

{
  "servers": {
    "apc-security-reference": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "apc-action-security"
      ]
    }
  }
}

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

At a glance

Downloads per weeki
108/wk
Licencei
No licence stated
Connection
Runs on your computer
Latest versioni
0.1.0-alpha.1
Published to registryi
Nov 7, 2026
Code last changedi
Nov 8, 2026
Maker
Aleph-Lab-s
Packages
pypi: apc-action-security
Registry status
Active

Which apps can use it

Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.

Run on your computer in

ClaudeGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatRaycast

All apps, with pros and cons →

Related guides

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 12, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account Aleph-Lab-s, which owns the repo

  • ✓ Pass

    Still maintained

    Code last changed 4 days ago

  • … 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

Discussion

Ask, share a tip or report that it does not work. Sorted by what people marked helpful.

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User reviews

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Compared with others in Cybersecurityi

  • More stars than 0% of the other 1041 servers in this category
  • Published to the registry more recently than 85% of the other 1041 servers in this category
  • Basic checks equal to or better than 100% of the other 1041 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 APC Security Reference Server safe?

It passed 2 of 2 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?

The registry does not list a required key, though some servers ask you to sign in on first use.

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 4 days ago, and the latest version (0.1.0-alpha.1) reached the registry 5 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: Robin: AI-Powered Dark Web OSINT, HOL Guard, SonarQube MCP Server

Others in the same category

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

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

Robin: AI-Powered Dark Web OSINT

Dark web OSINT over Tor: search onion engines, scrape pages, report with your own model.

by apurvsinghgautamGrowing★ 8KUpdated 40 days ago

Runs on your computer

HOL Guard

Local-first AI agent security evidence and approval workflows through HOL Guard's stdio MCP server.

by hashgraph-onlineWidely used↓ 7.1K/wk★ 1.1KUpdated 7 days ago

Runs on your computer

SonarQube MCP Server

Analyze code quality and security with SonarQube Server or Cloud directly in AI assistants.

by SonarSourceGrowing★ 686Updated yesterday

Runs on your computer

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.

APC — Action • Proof • Control

Open-source community alpha. APC explores how an agent's authority can remain bound to the exact operation, target, and material parameters that reach a protected side-effect boundary—and how the result can be evidenced.

Important: This repository is a developer-evaluation release, not a production security certification. Do not use it to authorize live payments, account changes, infrastructure mutations, or other sensitive external actions. The bundled runtime defaults to synthetic DEMO mode. Its LAB mode writes to a local SQLite sandbox only.

Why APC exists

Agent systems cross model, tool, workflow, and provider boundaries. An approval at one point does not by itself prove that the same operation and parameters reach the final system. APC's design goal is to bind approval context to an action and re-check that binding at the final protected effect boundary.

APC is complementary to—not a replacement for—customer identity providers, OAuth/OIDC, policy decision points such as OPA or Cedar, agent frameworks, MCP, workflow orchestrators, cloud IAM, provider idempotency, or SIEM platforms.

Repository contents

AreaWhat is includedStatus
src/apc_yReusable authority, delegation, cryptographic, continuity and finality kernelInternal tests available; not independently reviewed
src/apc_productAPC 7.1.4 candidate service/runtime, API, evidence, SQLite LAB sink and CLIDEMO/LAB evaluation profile
src/apcSecurity-event and sink integration modulesVerify each adapter before use
src/apc_mcpMCP SDK v2 reference server exposing health, catalog and synthetic evaluationReference/demo; no universal MCP interception
testsPackage, runtime and adversarial kernel testsLocal tests only; see release report
deploy/helmSingle-replica Kubernetes evaluation chartStatic artifact; cluster deployment not validated here
experimentsNVIDIA-inspired control candidatesExperimental, unintegrated, unsupported
specDraft action-authority and continuity protocol descriptionNon-standard draft; cross-language conformance not established
docsArchitecture, security assumptions, status, roadmap and contribution materialCommunity review requested

Quick start — source checkout

Requires Python 3.11 or newer.

git clone https://github.com/Aleph-Lab-s/apc-open-core.git

cd apc-open-core python -m venv .venv . .venv/bin/activate # Windows: .venv\Scripts\activate python -m pip install --upgrade pip python -m pip install -e ".[test,mcp]" apc status apc integrations

The GitHub URL above is the intended repository name, not a claim that it has already been created. The root server.json is a draft MCP Registry descriptor; it has not been submitted or approved. Until the package is published to PyPI, install from a local checkout as shown above. After publication, the planned install form is:

python -m pip install "apc-action-security[mcp]"

Run the MCP reference server

python -m pip install -e ".[mcp]"

apc-mcp

The server uses stdio. Add it to an MCP client using that client's local process configuration. Available tools:

  • apc_health — runtime health and mode.
  • apc_integration_status — catalog with honest implementation labels.
  • apc_evaluate_action — synthetic action evaluation; no external side effect.
  • apc_lab_sqlite_action — disabled by default; when deliberately enabled with APC_MCP_ENABLE_LAB=1, writes only to a local SQLite sandbox using a test-only ALLOW fixture.

This server does not transparently instrument other MCP servers, inspect every tool call in a host process, or guarantee coverage of bypass paths. A protected integration must be added server-side, and the actual provider mutation must pass through the protected wrapper.

Run the local tests

python -m pytest -q

PYTHONDONTWRITEBYTECODE=1 PYTHONPATH=src python tests/deep_security_test.py

Actual implementation limits

  • APC_MODE=DEMO is synthetic and performs no protected external effect.
  • LAB uses local SQLite as a reference sink. It is not a real customer/provider adapter.
  • PILOT and PRODUCTION effect execution are blocked by the current service until a customer integration/profile exists.
  • The default evaluation engine generates in-process ephemeral signing keys. This is not a deployment-grade KMS/HSM/key-rotation design.
  • The current Kubernetes chart is one replica with local SQLite/RWO storage. It is not an HA/distributed profile.
  • OPA and Cedar entries are simulated; Okta, GitHub, AWS and GCP event/effect adapters are unavailable in this build; Stripe entry is a sandbox declaration only. See docs/integration-status.md.
  • No independent penetration test, cryptographic review, formal verification, certification, production SLA, or live-provider conformance is claimed.

Project status and release note

Public package version: 0.1.0a1 (community alpha). The included apc_product runtime identifies its source snapshot as APC Enterprise 7.1.4, release channel certification-candidate. The 7.1.4 internal candidate test evidence is not an external certification and is not a production guarantee. See docs/release-validation.md and docs/production-readiness.md.

Contribute

We want tough technical review: threat-model criticism, bypass demonstrations in controlled test environments, reproducible bugs, adapter conformance ideas, documentation improvements, and integration pull requests. Start with CONTRIBUTING.md, SECURITY.md, spec/APC-Action-Continuity-Protocol-0.1-DRAFT.md, and docs/roadmap.md.

License

Apache License 2.0 is proposed for this public source release. Before pushing publicly, the project owner must confirm copyright ownership, contributor authority, source provenance, and dependency/license obligations. See docs/licensing-and-ownership.md.