What is an MCP server?

Exposing the tool's capabilities over Model Context Protocol so AI agents can call it directly.

By Cláudia FernandesUpdated

MCP is an open protocol that lets an AI agent discover and invoke external tools. A vendor shipping an MCP server means an agent can request a scan, read findings and act on them as part of its own loop, without a bespoke integration.

In practice this is how a scanner becomes part of an agentic workflow rather than only a downstream gate, since the agent can check its work before proposing it. It supplements a CI gate rather than replacing one: the check only happens if the agent is set up to call it, and the agent's token becomes another credential with access to your findings.

Not the same as AI Agent Guardrails: AI agent guardrails are about checking an agent's code while it works, which some tools do through hooks or a plugin instead of MCP. An MCP server can also simply let an agent read findings or start a scan.

What to look for

  • Which operations the server exposes, from read-only findings to scanning and remediation
  • Which agent clients are known to work with it
  • Authentication model and what scope the agent's token carries
  • Whether MCP access is included in your plan tier

Best 18 code quality, security and code review tools with an MCP server

Every tool in the directory whose documentation covers this, 13 fully and 5 partially. Full support is shown first. Shown in a random order that changes on every visit, so no tool gets an advantage from its position.

Support is not the same as parity, since some implementations are narrower in scope, gated to a higher plan tier, or maintained only for existing customers. The note under each tool is what its own documentation describes.

Code Security Platform

Aikido
Basic

Aikido MCP Plugin exposes its own MCP server (scan, list/ignore issues, login tools) for AI agents

Code Security Platform

Checkmarx One

Checkmarx Developer Assist is delivered as an agentic MCP server for IDE-based AI assistants.

Code Quality Platform

Codacy

MCP integration for Copilot, Cursor, Windsurf, Claude Code and Claude.ai; included free.

PR Review Tool

CodeAnt AI

MCP Server integration listed for AI-assisted workflows; no tool list or transport documented

Code Quality Platform

CodeScene

CodeHealth MCP server executes locally on-machine, exposes code_health_review and a review-plan-refactor-remeasure loop

Code Security Platform

Corgea

Corgea exposes its own MCP server: 9 read-only tools for scans, issues, dependencies, blocking rules

Code Quality Platform

DeepSource

mcp.deepsource.com with 30 tools, OAuth and PAT auth; optional admin toggle on Enterprise Server v5.1.0+.

Code Security Platform

GitHub Advanced Security
MCP server free; security toolsets require GHAS add-on

Official GitHub-maintained MCP server exposes code_security, secret_protection, dependabot toolsets; code scanning needs GHAS

PR Review Tool

Greptile

Hosted MCP server at api.greptile.com/mcp, API-key authenticated, exposing 11 tools

PR Review Tool

Qodo

Context Engine MCP exposes deep_research, context_ask, get_context; local and remote MCPs in IDE

Code Security Platform

Semgrep

Guardian MCP server; Claude Code uses Semgrep's hosted remote server via OAuth with a fixed ruleset.

Code Security Platform

Snyk

Local MCP server runs the Snyk CLI with scan tools; no hosted or remote MCP server offered.

Code Quality Platform

SonarQube

SonarQube MCP Server for agent context; Vortex MCP integration tied to Sonar Agent Essentials.

AI Coding Agent

ChatGPT / CodexPartial

Codex consumes MCP servers (e.g. Linear); no MCP server exposing review or scan findings documented.

AI Coding Agent

Claude CodePartial

Consumes MCP servers with first-use trust verification; no MCP server exposing review findings documented.

PR Review Tool

CodeRabbitPartial
Pro

Acts as MCP client consuming external servers (Pro 5, Pro+ 15, Enterprise 20); exposes none

PR Review Tool

Cursor (Bugbot)Partial
Team

Bugbot consumes configured MCP servers; no MCP server exposing findings. Team and Enterprise only.

AI Coding Agent

Gemini Code AssistPartial
Standard

Agent Mode and Gemini CLI consume local and remote MCP servers; no MCP server exposing review findings.

FAQ

What is an MCP server?

Exposing the tool's capabilities over Model Context Protocol so AI agents can call it directly.

How many tools in the directory offer an MCP server?

18 of the 20 tools in this directory offer an MCP server, 13 fully and 5 partially:

Support is not the same as parity, since some implementations are narrower in scope, gated to a higher plan tier, or maintained only for existing customers. The note under each tool is what its own documentation describes.

What should you check when comparing tools with an MCP server?

Four things:

  • Which operations the server exposes, from read-only findings to scanning and remediation
  • Which agent clients are known to work with it
  • Authentication model and what scope the agent's token carries
  • Whether MCP access is included in your plan tier