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MCP CPG Agent Protocols

io.github.greencore-solutions/cpg-agent-protocols
Commerce & Retail Developer Tools Public & reachable MCP 2025-11-25

What this MCP does

Documents and resolves protocols, signals, dimensions, and jurisdictional members for business-to-business consumer packaged goods commerce.

Capabilities

Tools

9 tools
get_header_canon
Get the Ghost Headers canon
The GSC wire-header canon (v3.2 — The Ghost Eighteen (locked July 18 2026)) — the eighteen x-gsc-* headers every GSC surface emits, in canon order. Curl-auditable against any live GSC surface.
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
get_protocol
Get one protocol
Full canon record for ACM-SPARKS, SM-ECO-10060, or ACM-68000.
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['name'], 'properties': {'name': {'enum': ['ACM-SPARKS', 'SM-ECO-10060', 'ACM-68000'], 'type': 'string', 'description': 'Protocol name'}}}
list_members
List SM-ECO-10060 members
The 49 sovereign jurisdictional member nodes — code, namespace, jurisdiction, region, and GS1 territory GTIN. Live supply/demand data per member is the CPG Knowledge Graph's job.
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
list_protocols
List the three GSC protocols
The protocol family and the resolve-once spine: ACM-SPARKS classifies, SM-ECO-10060 resolves, ACM-68000 signals.
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
list_signals
List the 7 ACM-68000 signals
All seven signals, enumerated individually: ACM-000, ACM-200, ACM-300, ACM-403, ACM-404, ACM-451, ACM-500. One meaning, no drift.
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
list_sparks_dimensions
List the six SPARKS dimensions
SPARKS resolves six dimensions — SKU, Pack, Amount, Region, Kernel, and Standard — a CPG industry first.
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
resolve_member
Resolve one SM-ECO-10060 member
Canon record for a single sovereign member by ISO-style code, e.g. FR, AU, MX.
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['code'], 'properties': {'code': {'type': 'string', 'maxLength': 4, 'description': 'Member code, e.g. FR'}}}
resolve_signal
Resolve one signal code
The state and meaning of a single ACM-68000 signal code. A CPG- profile code resolves to its ACM- twin; the response carries the resolved ACM- code.
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['code'], 'properties': {'code': {'type': 'string', 'description': 'Signal code, e.g. ACM-451 or CPG-451'}}}
resolve_sparks_dimension
Resolve one SPARKS dimension
Canon record for a single SPARKS dimension by letter (S, P, A, R, K, S2) or name.
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['dimension'], 'properties': {'dimension': {'type': 'string', 'description': 'Letter (S, P, A, R, K, S2) or name (e.g. Pack-format)'}}}
History

Recent tool changes

Changed
resolve_member
Sept. 19, 2026, 2:42 a.m.
Changed
resolve_sparks_dimension
Sept. 19, 2026, 2:42 a.m.
Changed
resolve_signal
Sept. 19, 2026, 2:42 a.m.
Changed
get_protocol
Sept. 19, 2026, 2:42 a.m.
Added
get_header_canon
Sept. 17, 2026, 12:42 p.m.
Added
resolve_member
Sept. 17, 2026, 12:42 p.m.
Added
list_members
Sept. 17, 2026, 12:42 p.m.
Added
resolve_sparks_dimension
Sept. 17, 2026, 12:42 p.m.
Added
list_sparks_dimensions
Sept. 17, 2026, 12:42 p.m.
Added
resolve_signal
Sept. 17, 2026, 12:42 p.m.
Added
list_signals
Sept. 17, 2026, 12:42 p.m.
Added
get_protocol
Sept. 17, 2026, 12:42 p.m.
Added
list_protocols
Sept. 17, 2026, 12:42 p.m.
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