MCP Server for OSCAL

by awslabs Your server? Claim it

local only

MCP Server for OSCAL runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 9 Apr 2026.

AI agent tools for Open Security Controls Assessment Language (OSCAL)

The author archived this repository on GitHub, meaning it is no longer maintained.

—

Installs / week

not published

Stars

9 open issues

9 Apr 2026

Last commit

from GitHub

Apache-2.0

License

Python

What the code does

We read the source, 5 d ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command bin/update_hashes.py:84, src/mcp_server_for_oscal/tools/validate_oscal_content.py:211

        commit = subprocess.run(

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

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MCP Server for OSCAL — questions

Answers built from our own checks of this server.

Why is there no uptime for MCP Server for OSCAL?

MCP Server for OSCAL runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone.

Is MCP Server for OSCAL still maintained?

The author archived this repository on GitHub, meaning it is no longer maintained. We show this because it changes what you can expect: an unmaintained server may keep answering for months and then stop without warning.

Is MCP Server for OSCAL open source?

Yes — it is published under the Apache-2.0 licence, written in Python, 52 stars on GitHub and 9 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.