MacTech CMMC / NIST 800-171 MCP Server

by mactechsolutionsllc-www Your server? Claim it

answering

MacTech CMMC / NIST 800-171 is answering right now. Last checked 4 min ago. It exposes 13 tools.

NIST 800-171 controls and 800-171A objectives, crosswalks, exact SPRS scoring, POA&M generation.

Uptime history 79 days of history · worst day 99%

79 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

369 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 27

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 9 August 2026. No other catalogue keeps this.

16 Sep a tool description was rewritten generate_poam_entries

16 Sep a tool changed the parameters it asks for generate_poam_entries

9 Aug 9 tool descriptions were rewritten11 times that day check_contract_type_eligibility, determine_cmmc_level, generate_poam_entries and 6 more

9 Aug 7 tools changed the parameters they ask for8 times that day calculate_sprs_score, determine_cmmc_level, list_controls and 4 more

9 Aug 5 tools appeared check_contract_type_eligibility, crosswalk_revisions, lookup_clause and 2 more

9 Aug a tool changed version

and 3 more, back to 9 August 2026

Nothing serious here today

Today is the operative word: we check MacTech CMMC / NIST 800-171 every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add cmmc --transport http https://www.mactechsolutionsllc.com/api/mcp

Settings → Connectors → Add custom connector, then paste this address

https://www.mactechsolutionsllc.com/api/mcp

~/.codex/config.toml

[mcp_servers.cmmc]
url = "https://www.mactechsolutionsllc.com/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "cmmc": {
      "url": "https://www.mactechsolutionsllc.com/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "cmmc": {
      "type": "http",
      "url": "https://www.mactechsolutionsllc.com/api/mcp"
    }
  }
}

Available tools 13

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

lookup

lookup_clause

Explain what a FAR or DFARS cybersecurity clause obliges a contractor to do: what triggers it, the concrete duties, the reporting deadlines, what it flows down to subcontractors, and which other clauses come with it. Covers 52.204-21, 252.204-7008, 252.204-7012, 252.204-7019, 252.204-7020, 252.204-7021, 252.239-7010. Call this when someone asks "my contract has 7012 in it, what do I have to do", which clauses require CMMC, what flows down to a subcontractor, or how long they have to report an incident. Does NOT reproduce clause text verbatim - the text is law, it gets amended, and quoting a stale copy into a contract dispute is worse than a citation; each answer links the authoritative text at acquisition.gov.

lookup_control

Get one NIST SP 800-171 Rev 2 security requirement by number (e.g. "3.5.3"): the full requirement text, its control family, and its exact DoD Assessment Methodology (SPRS) point weight, including the sliding-scale rules for 3.5.3 (MFA) and 3.13.11 (FIPS cryptography). Call this when the user asks what a specific 800-171 or CMMC Level 2 control requires or how many SPRS points it is worth. Pass sections to get the 800-171A assessment objectives and the framework crosswalk in the same call instead of three.

lookup_rev3_requirement

Get one NIST SP 800-171 REVISION 3 requirement by its zero-padded number (e.g. "03.01.01"): the requirement statement, its organization-defined parameters, the 800-171A Rev 3 assessment objectives, and whether it was withdrawn. Rev 3 has 97 active requirements of 130 numbered across 17 families, with 88 ODPs and 422 objectives. IMPORTANT: Rev 3 is NOT currently binding for DoD contracts - DFARS 252.204-7012 is pinned to Rev 2 by class deviation, and SPRS scores Rev 2 only. Use lookup_control for anything contractual; use this when the user is planning ahead, doing civilian-agency CUI work, or has explicitly asked about Rev 3. Identifiers differ between revisions and collide: Rev 2's 3.1.1 is not Rev 3's 03.01.01.

crosswalk

crosswalk_control

Map a security control across frameworks: NIST SP 800-171 Rev 2 ↔ NIST SP 800-53 (FedRAMP Moderate) ↔ NIST CSF 2.0 ↔ SOC 2 Trust Services Criteria. Accepts an 800-171 number ("3.5.3"), an 800-53 id ("AC-2"), a CSF category ("PR.AA" style / "GV.RM"), or a SOC 2 criterion ("CC6"). Call this when the user asks what a control corresponds to in another framework, or how existing FedRAMP/SOC 2/CSF work maps onto CMMC. These are practitioner mappings, not the NIST-published authoritative crosswalk.

crosswalk_revisions

Explain how NIST SP 800-171 Rev 2 and Rev 3 differ, and what happened to a specific requirement between them. Call this when someone is implementing Rev 3 early, holds a Rev 3 citation and needs the Rev 2 obligation, or asks which revision applies to them. Answers the question DoD guidance forces on early adopters: assessments still run against Rev 2, so Rev 2 gaps must be closed regardless of what has been built to Rev 3.

assessment

get_assessment_objectives

Get the official NIST SP 800-171A assessment objectives for one NIST SP 800-171 Rev 2 requirement - the exact "Determine if..." objectives a CMMC Level 2 assessor scores, plus the potential assessment methods (what an assessor examines, who they interview, what they test). Call this when the user asks how a control is assessed, what evidence an assessor will look for, or how to prepare a specific control for a C3PAO assessment.

calculate

calculate_sprs_score

Compute an exact SPRS score per the DoD Assessment Methodology: start at 110 and subtract each unimplemented requirement's Annex A weight (floor −203). Pass the control numbers that are NOT implemented; optionally pass 3.5.3 and/or 3.13.11 as partially implemented for their sliding-scale values (MFA for privileged/remote only = −3; encryption present but not FIPS-validated = −3). Also reports whether the score clears the 88-point conditional CMMC Level 2 certification threshold and flags a missing SSP (3.12.4), which blocks SPRS submission entirely.

contract

check_contract_type_eligibility

Determine whether a contractor can legally be awarded a given contract type, based on the business systems that type requires. A cost-reimbursement contract may be awarded only if the accounting system is adequate for determining costs (FAR 16.301-3), and T&M billing cannot be substantiated without compliant timekeeping - so this is an eligibility gate, not a preference. Call this before a bid/no-bid, when a solicitation names a contract type, or when someone asks what a pre-award survey will examine. Also returns the SF1408 criteria and the six DFARS business systems whose deficiencies trigger payment withholding after award.

controls

list_controls

List NIST SP 800-171 Rev 2 requirements with their DoD Assessment Methodology (SPRS) weights, optionally filtered by control family name or by point weight (5, 3, or 1). Call this to enumerate the 110 CMMC Level 2 controls, to find all 5-point (highest-impact) requirements, or to see everything in one family such as Access Control. Returns identifiers and weights only - use lookup_control for one requirement's full text, or pass verbose to include every requirement's text at roughly twenty times the size.

determine

determine_cmmc_level

Determine which CMMC level (1, 2, or 3) applies to a defense contractor based on the data they handle and the clauses in their contracts, and - separately - which assessment type may actually be designated today. Those are not the same question: CMMC Phase II was suspended on 13 July 2026, so C3PAO and DIBCAC assessments cannot currently be designated even where the level calls for one. Call this when the user asks "what CMMC level do I need", whether FCI-only work needs CMMC, or what DFARS 252.204-7012/7019/7020/7021 imply.

generate

generate_poam_entries

Turn a list of unimplemented NIST SP 800-171 controls into structured Plan of Action & Milestones (POA&M) entries, and - the part that decides whether the plan is usable - sort them by eligibility under 32 CFR 170.21. Most gaps CANNOT go on a CMMC Level 2 POA&M: the rule bars every requirement worth more than 1 point (excepting 3.13.11 when encryption is employed but not FIPS-validated), bars six named 1-point requirements outright, and permits no POA&M at all below a score of 88. Returns per-entry eligibility with the reason, the requirements that must close before the assessment, and the single 180-day closeout window. Call this when the user has assessment gaps and needs a remediation plan artifact.

level1

list_level1_practices

List all 17 CMMC Level 1 basic safeguarding practices with their FAR 52.204-21 clause citations - the complete requirement set for contractors handling Federal Contract Information (FCI) only. Call this when the user asks what CMMC Level 1 requires.

scope

scope_assessment

Work out which assets fall inside a CMMC assessment boundary, and what each category obliges. Returns the DoD asset categories (CUI Asset, Security Protection Asset, Contractor Risk Managed Asset, Specialized Asset, Out-of-Scope) with how each is treated at assessment, plus the CUI categories that most often pull a defense contractor into scope unexpectedly. Call this when someone asks what is in scope, how to reduce assessment cost, whether an enclave helps, or whether a specific system counts. Scope decides the size and cost of the whole engagement, so getting it wrong is expensive in both directions.

Endpoints

URL	Transport	State	Latency	Checked
https://www.mactechsolutionsllc.com/api/mcp	streamable-http	answering	367 ms	4 min ago

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5 tools answering

MacTech CMMC / NIST 800-171 — questions

Answers built from our own checks of this server.

What can MacTech CMMC / NIST 800-171 do?

It exposes 13 tools, read directly from the server on our last check. Among them: calculate_sprs_score, check_contract_type_eligibility, crosswalk_control, crosswalk_revisions, determine_cmmc_level, generate_poam_entries and 7 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

What is MacTech CMMC / NIST 800-171 mostly used for?

Its tools cluster around lookup and crosswalk. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.

Is MacTech CMMC / NIST 800-171 working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 369 ms. The bar chart above shows every period we have measured.

How do I connect MacTech CMMC / NIST 800-171?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does MacTech CMMC / NIST 800-171 need an API key?

No. MacTech CMMC / NIST 800-171 completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 13 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is MacTech CMMC / NIST 800-171?

It answers our handshake in 369 ms on average, which is faster than 40% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.