MCPInstall

prowler-mcp

by prowler-cloudAI & Agents

Creates MCP tools for Prowler MCP Server. Covers BaseTool pattern, model design, and API client usage. Trigger: When working in mcpserver/ on tools (BaseTool), models (MinimalSerializerMixin/fromapiresponse), or API client patterns.

Installs
68
Last 24h
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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/prowler-cloud/prowler --skill prowler-mcp
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads prowler-mcp automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Overview

The Prowler MCP Server uses three sub-servers with prefixed namespacing:

Sub-ServerPrefixAuthPurpose
Prowlerprowler_*RequiredProwler Cloud, Private Cloud & Local Server management tools
Prowler Hubprowler_hub_*NoSecurity checks catalog
Prowler Docsprowler_docs_*NoDocumentation search

For complete architecture, patterns, and examples, see docs/developer-guide/mcp-server.mdx.

Critical Rules (Prowler Tools Only)

Tool Implementation

  • ALWAYS: Extend BaseTool (auto-registered via tool_loader.py, only public methods from the class are exposed as a tool)
  • NEVER: Manually register BaseTool subclasses
  • NEVER: Import tools directly in server.py

Models

  • ALWAYS: Use MinimalSerializerMixin for responses
  • ALWAYS: Implement from_api_response() factory method
  • ALWAYS: Use two-tier models (Simplified for lists, Detailed for single items)
  • NEVER: Return raw API responses

API Client

  • ALWAYS: Use self.api_client singleton
  • ALWAYS: Use build_filter_params() for query parameters
  • NEVER: Create new httpx clients

Hub/Docs Tools

Use @mcp.tool() decorator directly—no BaseTool or models required.

Quick Reference: New Prowler Tool

  1. Create tool class in prowler_app/tools/ extending BaseTool
  2. Create models in prowler_app/models/ using MinimalSerializerMixin
  3. Tools auto-register via tool_loader.py

QA Checklist (Prowler Tools)

  • Tool docstrings describe LLM-relevant behavior
  • Models use MinimalSerializerMixin
  • API responses transformed to simplified models
  • Failures are raised, never returned. A returned error dict is reported as a success. Raise InvalidArgument for a bad argument, let ProwlerAPIError/ProwlerAPIUnreachable propagate, and raise ToolError without a from clause only for a sentence lib/errors.py cannot know (a resource name, a precondition, the next tool to call)
  • Parameters use Field() with descriptions
  • No hardcoded secrets
  • Tests added under mcp_server/tests/

Resources

  • Full Guide: docs/developer-guide/mcp-server.mdx
  • Templates: See assets/ for tool and model templates
  • Testing: See prowler-test-mcp for fixtures and test patterns

FAQ

What does the prowler-mcp skill do?

Creates MCP tools for Prowler MCP Server. Covers BaseTool pattern, model design, and API client usage. Trigger: When working in mcpserver/ on tools (BaseTool), models (MinimalSerializerMixin/fromapiresponse), or API client patterns.

How do I install prowler-mcp?

Run npx skills add https://github.com/prowler-cloud/prowler --skill prowler-mcp in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/prowler-mcp/ (personal) or .claude/skills/prowler-mcp/ (project).

Which AI agents can use prowler-mcp?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is prowler-mcp safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains prowler-mcp?

It is published by prowler-cloud in prowler-cloud/prowler. It has 68 recorded installs.

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