wazuh-mcp

A Model Context Protocol (MCP) server for the Wazuh SIEM/XDR platform. Query agents, security alerts, detection rules, and decoders directly from Claude or any MCP-compatible client.

Features

• 28 MCP Tools - Agents, alerts, vulnerabilities, rules, decoders, SCA, syscollector, FIM, rootcheck, groups, manager, and diagnostics

• 3 MCP Resources - Pre-built views for agents, recent alerts, and rule summaries

• 3 MCP Prompts - Alert investigation, agent health checks, and security overviews

• JWT Authentication - Automatic token management with refresh on expiry

• Full Compliance Mapping - PCI-DSS, GDPR, HIPAA, NIST 800-53, MITRE ATT&CK

• Pagination - All list endpoints support limit/offset pagination

• Type-Safe - Full TypeScript with strict mode and Zod schema validation

Prerequisites

• Node.js 20+

• A running Wazuh manager with API access (default port 55000)

• Wazuh API credentials (username/password)

• (Optional) Wazuh Indexer (OpenSearch) access for alert queries

Installation

git clone https://github.com/solomonneas/wazuh-mcp.git
cd wazuh-mcp
npm install
npm run build

Configuration

Set the following environment variables:

| WAZUH_URL | Yes | - | Wazuh API URL (e.g., https://10.0.0.2:55000) | | WAZUH_USERNAME | Yes | - | API username | | WAZUH_PASSWORD | Yes | - | API password | | WAZUH_VERIFY_SSL | No | false | Set to true to verify SSL certificates. The default is intended for trusted self-signed lab environments only. | | WAZUH_TIMEOUT | No | 30 | Request timeout in seconds. Must be a positive integer. | | WAZUH_MCP_MAX_RESPONSE_BYTES | No | 250000 | Maximum MCP tool response size before returning a truncated preview with metadata. |

Alternative variable names WAZUH_BASE_URL and WAZUH_USER are also supported.

Wazuh Indexer (OpenSearch) - Required for Alerts and Vulnerabilities

Wazuh 4.x stores alerts and vulnerability inventory in the Wazuh Indexer (OpenSearch), not the REST API. To enable alert tools (get_alerts, get_alert, search_alerts), vulnerability tools (list_vulnerabilities, search_vulnerabilities), and the wazuh://alerts/recent resource, configure the indexer connection:

| WAZUH_INDEXER_URL | No | - | Wazuh Indexer URL (e.g., https://10.0.0.2:9200) | | WAZUH_INDEXER_USERNAME | No | admin | Indexer username | | WAZUH_INDEXER_PASSWORD | No | - | Indexer password | | WAZUH_INDEXER_VERIFY_SSL | No | false | Set to true to verify SSL certificates. The default is intended for trusted self-signed lab environments only. | | WAZUH_INDEXER_TIMEOUT | No | 30 | Indexer request timeout in seconds. Must be a positive integer. |

If WAZUH_INDEXER_URL is not set, alert and vulnerability tools will return a helpful configuration message. All other tools (agents, rules, decoders, version) work without the indexer.

When either SSL verification setting is false, the server prints a startup warning to stderr. TLS verification is disabled only for that configured Wazuh client.

Sensitive Output Defaults

Several tools return minimized output by default to avoid exposing raw logs, IPs, command lines, hashes, or raw event payloads unless requested:

Input Validation

Tool inputs are validated before requests are sent to Wazuh. Pagination is bounded, search text is length-limited, sort fields are enumerated per tool, and path-oriented identifiers such as agent IDs, alert IDs, group IDs, and SCA policy IDs reject unsupported characters.

Paginated tool responses include a pagination object with total, limit, offset, and has_more fields while preserving the existing top-level total, limit, and offset fields.

Tool responses are capped by WAZUH_MCP_MAX_RESPONSE_BYTES. Oversized responses return valid JSON with output.response_truncated, byte counts, and a preview instead of flooding the MCP client.

Transient manager GET requests and indexer search/readiness requests retry briefly on 429, 502, 503, 504, and common transient network reset or timeout errors.

Usage

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):

{
  "mcpServers": {
    "wazuh": {
      "command": "wazuh-mcp",
      "env": {
        "WAZUH_URL": "https://your-wazuh-manager:55000",
        "WAZUH_USERNAME": "wazuh-wui",
        "WAZUH_PASSWORD": "your-password",
        "WAZUH_INDEXER_URL": "https://your-wazuh-indexer:9200",
        "WAZUH_INDEXER_USERNAME": "admin",
        "WAZUH_INDEXER_PASSWORD": "your-indexer-password"
      }
    }
  }
}

Claude Code

claude mcp add wazuh \
  --env WAZUH_URL=https://your-wazuh-manager:55000 \
  --env WAZUH_USERNAME=wazuh-wui \
  --env WAZUH_PASSWORD=your-password \
  --env WAZUH_INDEXER_URL=https://your-wazuh-indexer:9200 \
  --env WAZUH_INDEXER_USERNAME=admin \
  --env WAZUH_INDEXER_PASSWORD=your-indexer-password \
  -- wazuh-mcp

Add --scope user to make it available from any directory instead of only the current project.

OpenClaw

If you're running from a source checkout instead of the npm-installed binary, point command/args at the built dist/index.js:

openclaw mcp set wazuh '{
  "command": "node",
  "args": ["/absolute/path/to/wazuh-mcp/dist/index.js"],
  "env": {
    "WAZUH_URL": "https://your-wazuh-manager:55000",
    "WAZUH_USERNAME": "wazuh-wui",
    "WAZUH_PASSWORD": "your-password",
    "WAZUH_INDEXER_URL": "https://your-wazuh-indexer:9200",
    "WAZUH_INDEXER_USERNAME": "admin",
    "WAZUH_INDEXER_PASSWORD": "your-indexer-password"
  }
}'

Or, with the global npm install:

openclaw mcp set wazuh '{
  "command": "wazuh-mcp",
  "env": {
    "WAZUH_URL": "https://your-wazuh-manager:55000",
    "WAZUH_USERNAME": "wazuh-wui",
    "WAZUH_PASSWORD": "your-password",
    "WAZUH_INDEXER_URL": "https://your-wazuh-indexer:9200",
    "WAZUH_INDEXER_USERNAME": "admin",
    "WAZUH_INDEXER_PASSWORD": "your-indexer-password"
  }
}'

Then restart the OpenClaw gateway so the new server is picked up:

systemctl --user restart openclaw-gateway
openclaw mcp list   # confirm "wazuh" is registered

Hermes Agent

Hermes Agent reads MCP config from ~/.hermes/config.yaml under the mcp_servers key. Add an entry:

mcp_servers:
  wazuh:
    command: "wazuh-mcp"
    env:
      WAZUH_URL: "https://your-wazuh-manager:55000"
      WAZUH_USERNAME: "wazuh-wui"
      WAZUH_PASSWORD: "your-password"
      WAZUH_INDEXER_URL: "https://your-wazuh-indexer:9200"
      WAZUH_INDEXER_USERNAME: "admin"
      WAZUH_INDEXER_PASSWORD: "your-indexer-password"

Or, when running from a source checkout instead of the global npm install:

mcp_servers:
  wazuh:
    command: "node"
    args: ["/absolute/path/to/wazuh-mcp/dist/index.js"]
    env:
      WAZUH_URL: "https://your-wazuh-manager:55000"
      WAZUH_USERNAME: "wazuh-wui"
      WAZUH_PASSWORD: "your-password"
      WAZUH_INDEXER_URL: "https://your-wazuh-indexer:9200"
      WAZUH_INDEXER_USERNAME: "admin"
      WAZUH_INDEXER_PASSWORD: "your-indexer-password"

Then reload MCP from inside a Hermes session:

/reload-mcp

Codex CLI

Codex CLI registers MCP servers via codex mcp add:

codex mcp add wazuh \
  --env WAZUH_URL=https://your-wazuh-manager:55000 \
  --env WAZUH_USERNAME=wazuh-wui \
  --env WAZUH_PASSWORD=your-password \
  --env WAZUH_INDEXER_URL=https://your-wazuh-indexer:9200 \
  --env WAZUH_INDEXER_USERNAME=admin \
  --env WAZUH_INDEXER_PASSWORD=your-indexer-password \
  -- wazuh-mcp

Or, when running from a source checkout:

codex mcp add wazuh \
  --env WAZUH_URL=https://your-wazuh-manager:55000 \
  --env WAZUH_USERNAME=wazuh-wui \
  --env WAZUH_PASSWORD=your-password \
  -- node /absolute/path/to/wazuh-mcp/dist/index.js

Codex writes the entry to ~/.codex/config.toml under [mcp_servers.wazuh]. Verify with:

codex mcp list

Standalone

export WAZUH_URL=https://your-wazuh-manager:55000
export WAZUH_USERNAME=wazuh-wui
export WAZUH_PASSWORD=your-password
npm start

Development

npm run dev    # Watch mode with tsx
npm run lint   # Type checking
npm test       # Run tests

MCP Tools

Agent Tools

Alert Tools

Vulnerability Tools

Rule Tools

SCA Tools (Security Configuration Assessment)

Syscollector Tools (System Inventory)

FIM & Rootcheck Tools

Manager Tools

Group Tools

Other Tools

MCP Resources

MCP Prompts

Examples

List active agents

Use list_agents with status "active" to see all connected agents.

Investigate a brute force attempt

Search alerts for "brute force" and investigate the top result,
including the MITRE ATT&CK technique and remediation steps.

Check agent health

Run an agent health check on agent 001 - check its connection status,
resource usage, and any recent critical alerts.

Find high-severity rules

List all rules with level 12 or higher to see critical detection rules
and their compliance framework mappings.

Testing

npm test               # Run all tests
npm run typecheck      # Type-check TypeScript
npm audit --omit=dev   # Audit production dependencies
npm run pack:check     # Verify package contents
npm run test:watch     # Watch mode

Tests use mocked Wazuh API responses - no live Wazuh instance needed.

Project Structure

wazuh-mcp/
├── src/
│   ├── index.ts           # MCP server entry point
│   ├── config.ts          # Environment configuration
│   ├── client.ts          # Wazuh REST API client (JWT auth)
│   ├── indexer-client.ts  # Wazuh Indexer (OpenSearch) client
│   ├── types.ts           # TypeScript type definitions
│   ├── resources.ts       # MCP resource handlers
│   ├── prompts.ts         # MCP prompt templates
│   └── tools/
│       ├── agents.ts      # Agent management tools
│       ├── alerts.ts      # Alert query tools
│       ├── rules.ts       # Rule query tools
│       ├── decoders.ts    # Decoder listing tool
│       ├── version.ts     # Version info tool
│       ├── sca.ts         # Security Configuration Assessment
│       ├── syscollector.ts # System inventory (OS, packages, ports, etc.)
│       ├── syscheck.ts    # File Integrity Monitoring
│       ├── rootcheck.ts   # Rootkit detection
│       ├── manager.ts     # Manager logs and configuration
│       └── groups.ts      # Agent group management
├── tests/
│   ├── client.test.ts     # API client unit tests
│   └── tools.test.ts      # Tool handler unit tests
├── package.json
├── tsconfig.json
├── tsup.config.ts
└── vitest.config.ts

License

MIT