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Abnormal Security

by WYRE-AIversion 1.2.7i★ –iRuns on your computer
Registry nameio.github.WYRE-AI/abnormal-mcp

Install

Overview

Description from the maker (original English)

MCP server for Abnormal Security — AI-powered email threat detection, cases, and remediation.

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: Cybersecurity
  • You need to fill in: ABNORMAL_API_TOKEN

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: ABNORMAL_API_TOKEN, MCP_TRANSPORT, AUTH_MODE, LOG_LEVEL

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

You need

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": {
    "abnormal": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "ABNORMAL_API_TOKEN",
        "-e",
        "MCP_TRANSPORT",
        "-e",
        "AUTH_MODE",
        "-e",
        "LOG_LEVEL",
        "ghcr.io/wyre-ai/abnormal-mcp:v1.2.7"
      ],
      "env": {
        "ABNORMAL_API_TOKEN": "your-value",
        "MCP_TRANSPORT": "your-value",
        "AUTH_MODE": "your-value",
        "LOG_LEVEL": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add abnormal --env ABNORMAL_API_TOKEN=your-value --env MCP_TRANSPORT=your-value --env AUTH_MODE=your-value --env LOG_LEVEL=your-value -- docker run -i --rm -e ABNORMAL_API_TOKEN -e MCP_TRANSPORT -e AUTH_MODE -e LOG_LEVEL ghcr.io/wyre-ai/abnormal-mcp:v1.2.7

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": {
    "abnormal": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "ABNORMAL_API_TOKEN",
        "-e",
        "MCP_TRANSPORT",
        "-e",
        "AUTH_MODE",
        "-e",
        "LOG_LEVEL",
        "ghcr.io/wyre-ai/abnormal-mcp:v1.2.7"
      ],
      "env": {
        "ABNORMAL_API_TOKEN": "your-value",
        "MCP_TRANSPORT": "your-value",
        "AUTH_MODE": "your-value",
        "LOG_LEVEL": "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": {
    "abnormal": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "ABNORMAL_API_TOKEN",
        "-e",
        "MCP_TRANSPORT",
        "-e",
        "AUTH_MODE",
        "-e",
        "LOG_LEVEL",
        "ghcr.io/wyre-ai/abnormal-mcp:v1.2.7"
      ],
      "env": {
        "ABNORMAL_API_TOKEN": "your-value",
        "MCP_TRANSPORT": "your-value",
        "AUTH_MODE": "your-value",
        "LOG_LEVEL": "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

  • ABNORMAL_API_TOKEN secret required env
    Abnormal Security API token (Bearer credential)
  • MCP_TRANSPORT env
    Transport mode for the server. Set to 'stdio' for local CLI use; the image defaults to 'http' for gateway hosting.
  • AUTH_MODE env
    Credential source: 'env' reads vars locally, 'gateway' expects header injection from the WYRE MCP Gateway.
  • LOG_LEVEL env
    Log verbosity: debug, info, warn, error

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 8, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account WYRE-AI, 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 Cybersecurityi

  • More stars than 0% of the other 995 servers in this category
  • Published to the registry more recently than 62% of the other 995 servers in this category
  • Basic checks equal to or better than 100% of the other 995 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 Abnormal Security 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: ABNORMAL_API_TOKEN

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 (1.2.7) reached the registry 24 days ago.

Which apps can use it?

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

What can I use instead?

In the same category: WatchGuard MCP, ipdata MCP by usefulapi, MaxMind minFraud MCP by usefulapi

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

WatchGuard MCP

by servosity

WatchGuard Cloud Firebox, Endpoint Security, ThreatSync, NDR and AuthPoint APIs for every customer

Runs on your computerUpdated today
Install

Look up location, network, company and threat data for IP addresses and ASNs in ipdata.

Runs in the cloudUpdated today
Install

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.

abnormal-mcp

MCP server for Abnormal Security — AI-powered threat detection, case management, and email remediation.

Tools

This server uses a decision-tree architecture. Start by calling abnormal_navigate to select a domain, then use the domain-specific tools.

Navigation
ToolDescription
abnormal_navigateNavigate to a domain (threats, messages, remediation, abuse, cases)
abnormal_backReturn to domain selection
Threats domain
ToolDescription
abnormal_threats_listList detected threat cases (paginated)
abnormal_threats_getGet full details of a specific threat by ID
Messages domain
ToolDescription
abnormal_messages_listList messages within a threat case
abnormal_messages_getGet detailed message analysis (headers, URLs, attachments, AI analysis)
Remediation domain
ToolDescription
abnormal_remediation_manageTrigger or check remediation actions for a message
Abuse domain
ToolDescription
abnormal_abuse_listList phishing emails reported via the Abuse Mailbox
Cases domain
ToolDescription
abnormal_cases_listList active security investigation cases
abnormal_cases_getGet details of a specific case
Interactive Threat Card (MCP Apps)
  • abnormal_threats_get renders as an interactive threat card in MCP Apps hosts (Claude Desktop/web): subject, sender, attack classification, remediation status, and the messages in the threat. The card is read-only — remediation stays a deliberate, model-mediated action. Plain-JSON behavior is unchanged in other hosts. Neutral by default, brandable via window.__BRAND__ injection or MCP_BRAND_* env vars (MCP_BRAND_NAME, MCP_BRAND_LOGO_URL, MCP_BRAND_PRIMARY_COLOR, MCP_BRAND_ACCENT_COLOR, MCP_BRAND_BG, MCP_BRAND_TEXT) — no rebuild needed.

Authentication

Abnormal Security uses Bearer token authentication. Copy .env.example and set the variables below.

VariableRequiredDescription
ABNORMAL_API_TOKENFor stdio and AUTH_MODE=envAbnormal Security API token. Generate it in the Abnormal portal under Settings > Integrations > API.
MCP_TRANSPORTNostdio (default) or http
AUTH_MODENoenv (default outside Docker) or gateway. The image and Compose service set gateway. Gateway mode requires Authorization: Bearer on each /mcp request and never falls back to ABNORMAL_API_TOKEN.
CONDUIT_S2S_SECRETYes for HTTPService-to-service secret. Generate one with openssl rand -hex 32. The HTTP server logs an error and exits non-zero when this is empty or a known placeholder (changeme, placeholder, your-s2s-secret, replace-with-a-real-secret, and similar example values). Compose will not start without it. Never commit a real value. The value is never logged.
MCP_ALLOW_INSECURE_DEVNoSet to exactly 1 only for local development to start HTTP without CONDUIT_S2S_SECRET. The process logs a warning, does not enforce X-Gateway-S2S, and binds 127.0.0.1 only. A non-loopback MCP_HTTP_HOST (including 0.0.0.0) is ignored and the override is logged. A known placeholder secret is still refused.
MCP_HTTP_HOSTNoBind address when MCP_TRANSPORT=http. Defaults to 127.0.0.1 when unset. A configured secret honors this value. The container image sets 0.0.0.0. With no secret, the insecure-dev bypass forces 127.0.0.1.
MCP_HTTP_PORTNoHTTP port. Defaults to 8080.

/health stays unauthenticated and does not read credentials. The stdio transport does not use CONDUIT_S2S_SECRET.

X-Gateway-S2S signing

With MCP_TRANSPORT=http and a real CONDUIT_S2S_SECRET, every /mcp request must include X-Gateway-S2S. The header value is t= ,v1= , where the hex is HMAC-SHA256 of the literal string t= keyed with CONDUIT_S2S_SECRET (64 lowercase hex characters). The timestamp must be within 300 seconds of the server clock. A missing or invalid header returns 401 before the Abnormal token is read.

TS=$(date +%s)

SIG=$(printf 't=%s' "$TS" | openssl dgst -sha256 -hmac "$CONDUIT_S2S_SECRET" -hex | awk '{print $NF}') curl -sS http://127.0.0.1:8080/mcp \ -H 'Content-Type: application/json' \ -H 'Accept: application/json, text/event-stream' \ -H "X-Gateway-S2S: t=${TS},v1=${SIG}" \ -H "Authorization: Bearer $ABNORMAL_API_TOKEN" \ -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'

In AUTH_MODE=gateway that Authorization header is required and is the only credential source. AUTH_MODE=env still requires a valid X-Gateway-S2S header, then uses ABNORMAL_API_TOKEN from the environment when the request does not carry Authorization.

Standalone (env mode)
export ABNORMAL_API_TOKEN=your-api-token

node dist/index.js

Gateway mode

When deployed behind the MCP gateway, set AUTH_MODE=gateway. The gateway signs each /mcp request with X-Gateway-S2S and injects Authorization: Bearer {token}. Requests missing that credential header are rejected with 401.

Running

stdio (for Claude Desktop)
npm install

npm run build node dist/index.js

HTTP Streamable (for hosted/gateway deployment)

HTTP refuses to start until CONDUIT_S2S_SECRET is a real secret:

CONDUIT_S2S_SECRET="$CONDUIT_S2S_SECRET" MCP_TRANSPORT=http AUTH_MODE=gateway node dist/index.js

Local HTTP without a secret is development-only. It binds 127.0.0.1 only and logs a warning:

MCP_TRANSPORT=http MCP_ALLOW_INSECURE_DEV=1 npm run start:http
Docker

The image listens on 0.0.0.0 inside the container (MCP_HTTP_HOST) and defaults to AUTH_MODE=gateway. Publish the port on loopback and pass the S2S secret. In gateway mode the API token arrives on each request as Authorization; the image does not read ABNORMAL_API_TOKEN.

docker build -t abnormal-mcp .

docker run \ -e CONDUIT_S2S_SECRET="$CONDUIT_S2S_SECRET" \ -p 127.0.0.1:8080:8080 \ abnormal-mcp

Compose refuses to start when CONDUIT_S2S_SECRET is unset, sets AUTH_MODE=gateway, does not inject ABNORMAL_API_TOKEN, and publishes 127.0.0.1:8080:8080:

CONDUIT_S2S_SECRET="$CONDUIT_S2S_SECRET" docker compose up

Single-tenant HTTP (AUTH_MODE=env) still requires the S2S secret, then uses ABNORMAL_API_TOKEN:

docker run \

-e CONDUIT_S2S_SECRET="$CONDUIT_S2S_SECRET" \ -e AUTH_MODE=env \ -e ABNORMAL_API_TOKEN=your-api-token \ -p 127.0.0.1:8080:8080 \ abnormal-mcp

Development

npm install

npm run dev # watch mode npm test # run tests npm run typecheck # TypeScript type check npm run build:ui # rebuild the MCP Apps card bundle (only needed when ui/ changes)

License

Apache-2.0

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