Koskamo

MCP Server for OSCAL

An MCP server providing AI agents with tools to work with NIST's Open Security Controls Assessment Language (OSCAL). It enables accurate guidance on OSCAL architecture, models, and implementation, running locally via stdio with bundled content and integrity verification.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

MCP Server for OSCAL logo, by awslabsCommunity listingLocal stdioSource reviewed; not executedPublished by awslabs
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Popularity 52 GitHub stars

What you can do with it

  • Provide authoritative guidance on OSCAL architecture and models
  • Assist in implementing OSCAL proofs-of-concept
  • Automate GRC workflows using structured data formats

Source and maintenance

Community listingRegistry 0.4.0Apache-2.0Repository archived
mcp-registry: io.github.awslabs/mcp-server-for-oscal@0.4.0mcp-registry: io.github.dfkunstler/mcp-server-for-oscal@0.7.1Source repository
Last repository push
Latest release
v0.4.0
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

mcp-server-for-oscal 0.4.0

pypi
mcp-server-for-oscal package definition
{
  "version": "0.4.0",
  "transport": "stdio",
  "identifier": "mcp-server-for-oscal",
  "registryType": "pypi",
  "environmentVariables": [
    {
      "name": "BEDROCK_MODEL_ID",
      "description": "AWS Bedrock model ID for OSCAL documentation queries"
    },
    {
      "name": "OSCAL_KB_ID",
      "description": "AWS Bedrock Knowledge Base ID for OSCAL documentation"
    },
    {
      "name": "AWS_PROFILE",
      "description": "AWS CLI profile name for credential resolution"
    },
    {
      "name": "AWS_REGION",
      "description": "AWS region for Bedrock API calls"
    },
    {
      "name": "LOG_LEVEL",
      "description": "Logging verbosity level (DEBUG, INFO, WARNING, ERROR)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "mcp-server-for-oscal": {
      "command": "uvx",
      "args": [
        "mcp-server-for-oscal==0.4.0"
      ],
      "env": {
        "BEDROCK_MODEL_ID": "<YOUR_BEDROCK_MODEL_ID>",
        "OSCAL_KB_ID": "<YOUR_OSCAL_KB_ID>",
        "AWS_PROFILE": "<YOUR_AWS_PROFILE>",
        "AWS_REGION": "<YOUR_AWS_REGION>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "mcp-server-for-oscal": {
      "command": "uvx",
      "args": [
        "mcp-server-for-oscal==0.4.0"
      ],
      "env": {
        "BEDROCK_MODEL_ID": "<YOUR_BEDROCK_MODEL_ID>",
        "OSCAL_KB_ID": "<YOUR_OSCAL_KB_ID>",
        "AWS_PROFILE": "<YOUR_AWS_PROFILE>",
        "AWS_REGION": "<YOUR_AWS_REGION>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "mcp-server-for-oscal": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-server-for-oscal==0.4.0"
      ],
      "env": {
        "BEDROCK_MODEL_ID": "<YOUR_BEDROCK_MODEL_ID>",
        "OSCAL_KB_ID": "<YOUR_OSCAL_KB_ID>",
        "AWS_PROFILE": "<YOUR_AWS_PROFILE>",
        "AWS_REGION": "<YOUR_AWS_REGION>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "mcp-server-for-oscal": {
      "command": "uvx",
      "args": [
        "mcp-server-for-oscal==0.4.0"
      ],
      "env": {
        "BEDROCK_MODEL_ID": "<YOUR_BEDROCK_MODEL_ID>",
        "OSCAL_KB_ID": "<YOUR_OSCAL_KB_ID>",
        "AWS_PROFILE": "<YOUR_AWS_PROFILE>",
        "AWS_REGION": "<YOUR_AWS_REGION>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>"
      }
    }
  }
}

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