awesome-cursor-mpc-server

A tutorial/demo Model Context Protocol (MCP) server for Cursor that exposes a few custom tools (code architecture/planning, screenshot-related help, and code review from git diffs). It is run via stdio and uses local environment configuration plus OpenAI and browser automation (puppeteer).

Evaluated Mar 30, 2026 (22d ago)

Repo ↗ DevTools mcp cursor ai-ml devtools code-review automation typescript

⚙ Agent Friendliness

/ 100

Can an agent use this?

🔒 Security

/ 100

Is it safe for agents?

⚡ Reliability

/ 100

Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality

Documentation

Error Messages

Auth Simplicity

Rate Limits

🔒 Security

TLS Enforcement

Auth Strength

Scope Granularity

Dep. Hygiene

Secret Handling

No evidence provided of transport security for any external endpoints (MCP is stdio/local). OpenAI API key is expected via source/env (README warns against storing keys in source code for production). No mention of fine-grained scopes/authorization for tool actions, and no documented data handling or safety controls. Puppeteer introduces additional attack surface if untrusted inputs are ever rendered/visited.

⚡ Reliability

Uptime/SLA

Version Stability

Breaking Changes

Error Recovery

Best When

You want a small set of Cursor-accessible MCP tools for local development/experimentation.

Avoid When

You need strong operational guarantees, clear compliance posture, or hardened security controls out of the box.

Use Cases

• Generate code architecture plans for a coding task
• Analyze UI screenshots to inform UI/implementation guidance
• Review code changes using git diffs and suggest best practices

Not For

• Production-grade automation without hardening (the README explicitly calls it mostly a tutorial demo)
• Teams that require documented, stable error codes, rate-limit guarantees, and comprehensive API contracts
• Use cases where running a headless browser via puppeteer is unacceptable

Interface

REST API

GraphQL

gRPC

MCP Server

Yes

SDK

Webhooks

Authentication

Methods: Environment variables (e.g., OPENAI_API_KEY)

OAuth: No Scopes: No

No user-facing auth mechanism described for the MCP server itself; authentication appears to be delegated to the OpenAI API key provided via environment variables.

Pricing

Free tier: No

Requires CC: No

No pricing info for the repository/service; costs are expected to be external (LLM provider usage).

Agent Metadata

Pagination

none

Idempotent

False

Retry Guidance

Not documented

Known Gotchas

⚠ README frames this as a tutorial/demo and not production-ready; reliability, error handling, and security hardening may be incomplete.
⚠ Tool behavior depends on local configuration and the Cursor MCP stdio integration; misconfiguration (e.g., using the wrong built index path) may prevent tools from appearing.
⚠ Screenshot-related functionality likely uses a headless browser (puppeteer); this can be brittle across environments and may require additional system dependencies.

Alternatives

Use Cursor built-in Composer tools without MCP Build a hardened MCP server using @modelcontextprotocol/sdk with OpenAPI-style contracts and structured error handling Use an internal code review tool integrated with your CI instead of invoking LLM-based review via MCP

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Scores are editorial opinions as of 2026-03-30.