mcp-assert

by Blackwell Systemsv0.6.0

Last updated Jun 8, 2026

Deterministic correctness testing for MCP servers. CLI, CI, and zero-config audit.

Install with winget

$ winget install --id BlackwellSystems.mcp-assert --exact --version 0.6.0

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

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About

A single Go binary that connects to your MCP server over stdio, SSE, or HTTP, calls your tools, and asserts the results. Define assertions in YAML, run them in CI. Works with servers written in Go, TypeScript, Python, Rust, Java, or anything else that speaks MCP.

Installers · v0.6.0

Architecture	Type	Scope	Install	Download
x64	ZIP archive	-		Direct
arm64	ZIP archive	-		Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

No known CVEs for mcp-assert.

Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.

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Frequently asked questions

How do I install mcp-assert on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id BlackwellSystems.mcp-assert --exact --version 0.6.0. winget downloads the installer from Blackwell Systems and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install mcp-assert silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id BlackwellSystems.mcp-assert --exact 0.6.0 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

How do I uninstall mcp-assert via winget?

Run: winget uninstall --id BlackwellSystems.mcp-assert --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from mcp-assert's Apps & Features entry.

Is mcp-assert free?

mcp-assert is distributed under MIT. Refer to the publisher (https://github.com/blackwell-systems/mcp-assert) for the full license terms - Wingetly itself does not charge for installation.

Does mcp-assert work on Windows 10?

Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls mcp-assert directly from the publisher.

How do I keep mcp-assert up to date?

Run winget upgrade --id BlackwellSystems.mcp-assert --exact, or winget upgrade --all to update everything winget tracks. We index 1 version of mcp-assert from microsoft/winget-pkgs.