pyautogui-mcp-server
Provides an MCP server (Streamable HTTP) that runs Python code in a fresh interpreter state with pyautogui instrumentation, returning captured stdout/stderr/results and inline screenshots (including mouse-operation previews). Includes a macOS-only helper to keep the display awake before automation.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
No authentication/authorization guidance is provided for the MCP server in the README/manifest. The tool executes Python in a fresh interpreter with pyautogui instrumentation—this implies the ability to control the local UI and capture screenshots; without sandboxing and request authorization, this is high-risk if exposed to untrusted clients. TLS enforcement and secret-handling behavior are not documented; treat deployment as internal/trusted-only.
⚡ Reliability
Best When
You control the client/agent and want an MCP tool to execute pyautogui-driven UI steps and receive logs + screenshots as structured tool outputs.
Avoid When
You need strong security boundaries (e.g., running untrusted code) or you cannot grant the server/API full control over UI automation and screen capture.
Use Cases
- • GUI automation via an MCP-capable agent
- • Tool-based execution of Python that drives the mouse/keyboard with pyautogui
- • Remote/agent-controlled screenshot capture and inline delivery
- • Workflow automation on macOS where the display must stay awake
Not For
- • Production-safe execution of untrusted code (no sandboxing guarantees are described)
- • Highly regulated environments requiring strict audit/compliance controls
- • Environments where controlling the OS UI is disallowed
Interface
Authentication
The README and manifest do not describe authentication/authorization for the MCP server. The server is started with --host/--port only.
Pricing
Open-source library (MIT) installed via pip; no hosted pricing described.
Agent Metadata
Known Gotchas
- ⚠ GUI automation is inherently stateful; retries can repeat mouse actions unless the agent adds its own guardrails
- ⚠ Running Python code remotely can be dangerous unless you fully trust the caller; no sandboxing guarantees are described
- ⚠ Screenshot coordinates may drift if display scaling/coordinate mapping differs; normalization is mentioned but not configured/documented in detail
Alternatives
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Scores are editorial opinions as of 2026-04-04.