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Serveur MCP

MacTech CMMC / NIST 800-171

com.mactechsolutionsllc.www/cmmc
Juridique et conformité Sécurité Public et accessible MCP 2025-11-25

Ce que fait ce MCP

Provides CMMC and NIST SP 800-171 guidance, control lookups, framework crosswalks, SPRS scoring, assessment scoping, eligibility checks, and POA&M generation.

Capacités

Outils

13 outils
calculate_sprs_score
Calculate an 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.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['not_implemented'], 'properties': {'not_implemented': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Rev 2 control numbers not implemented, e.g. ["3.5.3", "3.11.2"]. An empty array means all 110 implemented (score 110). Rev 3 identifiers are rejected - there is no DoD scoring methodology for Rev 3.'}, 'partially_implemented': {'type': 'array', 'items': {'enum': ['3.5.3', '3.13.11'], 'type': 'string'}, 'description': 'Sliding-scale controls at their partial value: 3.5.3 (MFA for privileged and remote users only) and/or 3.13.11 (encryption employed but not FIPS-validated). Deducts 3 instead of 5.'}}}
Schéma de sortie 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['sprs_score', 'scale', 'total_points_deducted', 'meets_conditional_level_2_threshold', 'deductions'], 'properties': {'scale': {'type': 'string'}, 'deductions': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'requirement', 'points'], 'properties': {'id': {'type': 'string'}, 'points': {'type': 'number'}, 'requirement': {'type': 'string'}}, 'additionalProperties': False}}, 'sprs_score': {'type': 'number', 'description': 'The computed score, from 110 down to the -203 floor.'}, 'missing_ssp': {'type': 'string', 'description': 'Present when 3.12.4 is unimplemented, in which case no score can be submitted to SPRS at all.'}, 'conditional_note': {'type': 'string'}, 'unknown_controls': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Inputs that matched no requirement - treat as caller error, not as implemented.'}, 'total_points_deducted': {'type': 'number'}, 'meets_conditional_level_2_threshold': {'type': 'boolean', 'description': 'Whether the score reaches 88. Clearing it is necessary but not sufficient - every open item must also be POA&M-eligible.'}}, 'additionalProperties': False}
check_contract_type_eligibility
Can you accept this contract type?
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.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'contract_type': {'enum': ['firm-fixed-price', 'fixed-price-incentive', 'fixed-price-economic-price-adjustment', 'time-and-materials', 'labor-hour', 'cost-plus-fixed-fee', 'cost-plus-incentive-fee', 'cost-plus-award-fee', 'cost-sharing', 'idiq'], 'type': 'string', 'description': 'The contract type named in the solicitation. Omit to compare all types.'}, 'include_sf1408': {'type': 'boolean', 'description': 'Include the SF1408 pre-award accounting system survey criteria.'}}}
crosswalk_control
Crosswalk a control across frameworks
Map a security control across frameworks: NIST SP 800-171 Rev 2 ↔ NIST SP 800-53 (FedRAMP Moderate) ↔ NIST CSF 2.0 ↔ SOC 2 Trust Services Criteria. Accepts an 800-171 number ("3.5.3"), an 800-53 id ("AC-2"), a CSF category ("PR.AA" style / "GV.RM"), or a SOC 2 criterion ("CC6"). Call this when the user asks what a control corresponds to in another framework, or how existing FedRAMP/SOC 2/CSF work maps onto CMMC. These are practitioner mappings, not the NIST-published authoritative crosswalk.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['control'], 'properties': {'control': {'type': 'string', 'description': 'A control id from any supported framework, e.g. "3.1.1", "AC-2", "GV.RM", or "CC6"'}}}
crosswalk_revisions
Compare 800-171 Rev 2 and Rev 3
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.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'requirement': {'type': 'string', 'description': 'Optional: a specific requirement in either scheme, e.g. "3.5.3" (Rev 2) or "03.05.03" (Rev 3). Omit for the structural summary alone.'}}}
determine_cmmc_level
Determine required CMMC level
Determine which CMMC level (1, 2, or 3) applies to a defense contractor based on the data they handle and the clauses in their contracts, and - separately - which assessment type may actually be designated today. Those are not the same question: CMMC Phase II was suspended on 13 July 2026, so C3PAO and DIBCAC assessments cannot currently be designated even where the level calls for one. Call this when the user asks "what CMMC level do I need", whether FCI-only work needs CMMC, or what DFARS 252.204-7012/7019/7020/7021 imply.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['handles_cui'], 'properties': {'handles_cui': {'enum': ['yes', 'no', 'unsure'], 'type': 'string', 'description': 'Does the organization store, process, or transmit Controlled Unclassified Information (CUI) - e.g. technical data, drawings, specs above general descriptive material?'}, 'contract_clauses': {'type': 'array', 'items': {'enum': ['52.204-21', '252.204-7012', '252.204-7019', '252.204-7020', '252.204-7021', 'none', 'unsure'], 'type': 'string'}, 'description': 'FAR/DFARS clauses present in their contracts, if known'}}}
generate_poam_entries
Generate POA&M entries for control gaps
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.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['gaps'], 'properties': {'gaps': {'type': 'array', 'items': {'type': 'object', 'required': ['control'], 'properties': {'control': {'type': 'string', 'description': '800-171 control number, e.g. "3.5.3"'}, 'partial': {'type': 'boolean', 'description': 'Only meaningful for the two sliding-scale requirements. 3.13.11: encryption IS employed but is not FIPS-validated (3 points) - this is the single state the rule lets you carry on a POA&M. 3.5.3: MFA on privileged and remote access only (3 points) - still NOT eligible.'}, 'deficiency': {'type': 'string', 'description': 'Optional description of the specific deficiency observed'}}}, 'description': 'The unimplemented or partially implemented controls'}, 'conditionalStatusDate': {'type': 'string', 'description': 'Conditional CMMC Status Date (YYYY-MM-DD), if one exists. The 180-day closeout window runs from this date - NOT from the day the plan is written - so without it no deadline can be computed.'}}}
get_assessment_objectives
Get 800-171A assessment objectives for a control
Get the official NIST SP 800-171A assessment objectives for one NIST SP 800-171 Rev 2 requirement - the exact "Determine if..." objectives a CMMC Level 2 assessor scores, plus the potential assessment methods (what an assessor examines, who they interview, what they test). Call this when the user asks how a control is assessed, what evidence an assessor will look for, or how to prepare a specific control for a C3PAO assessment.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['control'], 'properties': {'control': {'type': 'string', 'description': 'Control number, e.g. "3.5.3"'}}}
list_controls
List NIST 800-171 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.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'family': {'enum': ['Access Control', 'Awareness & Training', 'Audit & Accountability', 'Configuration Management', 'Identification & Authentication', 'Incident Response', 'Maintenance', 'Media Protection', 'Personnel Security', 'Physical Protection', 'Risk Assessment', 'Security Assessment', 'System & Communications Protection', 'System & Information Integrity'], 'type': 'string', 'description': 'Filter by control family'}, 'weight': {'anyOf': [{'type': 'number', 'const': 1}, {'type': 'number', 'const': 3}, {'type': 'number', 'const': 5}], 'description': 'Filter by DoD assessment point weight'}, 'verbose': {'type': 'boolean', 'description': 'Include the full requirement text for every result. Off by default: an unfiltered verbose listing is ~25Ã\x97 larger and is rarely what the question needs.'}}}
list_level1_practices
List the 17 CMMC Level 1 practices
List all 17 CMMC Level 1 basic safeguarding practices with their FAR 52.204-21 clause citations - the complete requirement set for contractors handling Federal Contract Information (FCI) only. Call this when the user asks what CMMC Level 1 requires.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {}}
lookup_clause
Look up a FAR/DFARS cybersecurity 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.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'clause': {'type': 'string', 'description': 'Clause number - "7012", "252.204-7012", or "DFARS 252.204-7012" all work. Omit to list every clause covered.'}}}
lookup_control
Look up a NIST 800-171 control
Get one NIST SP 800-171 Rev 2 security requirement by number (e.g. "3.5.3"): the full requirement text, its control family, and its exact DoD Assessment Methodology (SPRS) point weight, including the sliding-scale rules for 3.5.3 (MFA) and 3.13.11 (FIPS cryptography). Call this when the user asks what a specific 800-171 or CMMC Level 2 control requires or how many SPRS points it is worth. Pass sections to get the 800-171A assessment objectives and the framework crosswalk in the same call instead of three.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['control'], 'properties': {'control': {'type': 'string', 'description': 'Control number, e.g. "3.1.1" or "3.13.11"'}, 'sections': {'type': 'array', 'items': {'enum': ['objectives', 'crosswalk'], 'type': 'string'}, 'description': 'Extra views to include: "objectives" for the 800-171A assessment objectives (how an assessor tests it), "crosswalk" for the 800-53 / CSF 2.0 / SOC 2 mappings. Omit for the requirement and its weight alone.'}}}
lookup_rev3_requirement
Look up a NIST 800-171 Rev 3 requirement (advisory)
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.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['requirement'], 'properties': {'requirement': {'type': 'string', 'description': 'Rev 3 requirement number, e.g. "03.01.01" or "3.1.1" (zero-padded automatically). This is a Rev 3 identifier - it is NOT the same requirement as the Rev 2 control with the similar number.'}}}
scope_assessment
Determine CMMC assessment scope
Work out which assets fall inside a CMMC assessment boundary, and what each category obliges. Returns the DoD asset categories (CUI Asset, Security Protection Asset, Contractor Risk Managed Asset, Specialized Asset, Out-of-Scope) with how each is treated at assessment, plus the CUI categories that most often pull a defense contractor into scope unexpectedly. Call this when someone asks what is in scope, how to reduce assessment cost, whether an enclave helps, or whether a specific system counts. Scope decides the size and cost of the whole engagement, so getting it wrong is expensive in both directions.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['level'], 'properties': {'level': {'anyOf': [{'type': 'number', 'const': 1}, {'type': 'number', 'const': 2}], 'description': 'CMMC level being scoped. Level 1 has no asset taxonomy - everything touching FCI is in scope.'}, 'include_cui_categories': {'type': 'boolean', 'description': 'Include the common CUI categories and the traps that hide them. Useful when the contractor is unsure whether they hold CUI at all.'}}}
Historique

Modifications récentes des outils

Ajouté
crosswalk_revisions
17 September 2026 12:36
Ajouté
lookup_rev3_requirement
17 September 2026 12:36
Ajouté
scope_assessment
17 September 2026 12:36
Ajouté
lookup_clause
17 September 2026 12:36
Ajouté
check_contract_type_eligibility
17 September 2026 12:36
Ajouté
generate_poam_entries
17 September 2026 12:36
Ajouté
list_level1_practices
17 September 2026 12:36
Ajouté
determine_cmmc_level
17 September 2026 12:36
Ajouté
crosswalk_control
17 September 2026 12:36
Ajouté
get_assessment_objectives
17 September 2026 12:36
Ajouté
calculate_sprs_score
17 September 2026 12:36
Ajouté
list_controls
17 September 2026 12:36
Ajouté
lookup_control
17 September 2026 12:36
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