Open-source B2B and marketplace ecommerce; new stores include an MCP server for AI agents.
A2A Grocery — the agentic hub for retail grocery procurement
概览
作者提供的说明(英文原文)
A2A + MCP hub for retail grocery procurement — 20 markets on the SCHEMA algo record. Trade only.
PopNx MCP 的三大支柱
这三项永远不会合并成一个分数:意见、测量和人气是不同的东西。
- 用户评价i暂无评价评价功能将在后续阶段与账户功能一起开放
- 我们的基础检查i3 项中通过 3 项依据公开信息检查;尚未扫描代码
- 使用情况i尚未统计★ –
它能帮你做什么
我们还没有为它写通俗的介绍。下面是我们从注册中心读取到的事实。
- 连接方式: 在云端运行
- 传输方式: Streamable HTTP
- 分类: 网店与支付
安装
选择你使用的 AI 应用,然后复制设置。
安装之前
- 基础检查:3 项中通过 3 项
- 在作者的服务器上运行:你向它提出的内容会经过他们的服务器。
- 可以做 23 件事(工具) resolve_jurisdiction, resolve_actor, gate_transaction, search_cleared_items …
- 注册中心没有列出需要填写的密钥。
你需要
- 在云端运行无需安装任何东西,通过互联网连接
你用的是哪个应用?
在上方选择你的应用。我们会记住它,下次按钮会显示“安装到 …”。
适用于网页版、桌面版和手机版 Claude:
- 打开 Settings → Connectors
- 点击 Add custom connector
- 粘贴下面的地址,然后点击 Add
- 如果要求登录,请登录作者的服务
https://mcp.a2a-grocery.ai/mcp在终端中运行这条命令
claude mcp add --transport http a2a-grocery https://mcp.a2a-grocery.ai/mcp或者自己复制设置
粘贴到项目中的 .cursor/mcp.json,或 ~/.cursor/mcp.json
{
"mcpServers": {
"a2a-grocery": {
"url": "https://mcp.a2a-grocery.ai/mcp"
}
}
}浏览器会先询问是否打开应用,然后应用会显示设置并请你确认。密钥的值会留空,由你自己填写。
或者自己复制设置
粘贴到项目中的 .vscode/mcp.json
{
"servers": {
"a2a-grocery": {
"type": "http",
"url": "https://mcp.a2a-grocery.ai/mcp"
}
}
}浏览器会先询问是否打开应用,然后应用会显示设置并请你确认。密钥的值会留空,由你自己填写。
ChatGPT 只能连接互联网上的服务器:
- 打开网页版 ChatGPT → Settings → Connectors (Apps)
- 点击 Create 或 Add(部分套餐需要先在 Advanced 中开启 Developer mode)
- 粘贴下面的地址,起个名字,然后保存
- 如果要求登录,请登录作者的服务
https://mcp.a2a-grocery.ai/mcp菜单名称可能因套餐和版本不同而略有差异。
你的选择通过 Cookie 保存在这台设备上,无需账户。
这些设置是根据作者在注册中心的条目生成的。如果 README 的写法不同,请以 README 为准。
它能做什么
工具名称和描述与服务器在 2026年11月6日 报告的完全一致。这些内容由作者撰写,不是我们写的;我们以纯文本形式显示。
resolve_jurisdictionWhere is this going? Resolve a ship-to (e.g. 'DE', 'US-CA', 'UK', 'FR', 'EU-NL', 'JP') to one of the 20 markets and its rule set (14 rule sets; the seven EU markets share one food-law set with national riders). UK is the label; machine fields carry the ISO code GB.
resolve_actorWho is asking? Maker, brand owner, private label, distributor, importer, broker or retail buyer (trade only); auditor (read-only); agent (inherits the class of the credential it presents — none returns DENY_UNLICENSED_AGENT). The consumer is never the counterparty. Returns commun
gate_transactionAllow or deny, with the reason and the rule. Takes an item (GTIN or catalogue id; optional), the ship-to market, the actor class and, when no record exists yet, the product type, ingredients and claims. Returns one of twelve reason codes (ALLOW · REQUIRE_NOTIFICATION · REQUIRE_RE
search_cleared_itemsFind items cleared for this market: validated SKU records in a market (query by product name, brand, maker or category; filters: temperature ambient · chilled · frozen · fresh, attribute lane organic · free-from · plant-based · artisan · origin · premium, department). Only valida
get_itemProduct record from gtinfetch.ai (signed); hub layer: seat, market, claim, price, availability. One item by GTIN (EAN in European copy), fully resolved: temperature, department → super category → category, attribute lanes, pack, brand and maker, market, claim status, market statu
verify_gtinProduct record from gtinfetch.ai (signed); hub layer: seat, market, claim, price, availability. Is this GTIN real, and whose is it? Check-digit validation, the GS1 prefix, and the validated record(s) that carry it on this hub with their brand, maker and claim status.
get_label_and_claimsWhat the label must say, and which claims are allowed: the labelling requirements of the market (food information, allergens, origin, nutrition) and the claims rules of record (nutrition and health claims, organic, free-from), each with its source page. Optional claims are checke
compare_itemsCompare items, variants and pack sizes side by side (two to eight GTINs or catalogue ids).
find_verified_buyerRetail buyer desks for this market: banner records (banner, parent group, channel discounter · e-commerce · local · in-store · traditional, local format, cited POS count or NULL, buyer desk by department) with their claim status — verified first, then claimed, then listed. Filter
find_verified_supplierVerified makers, brand owners, private-label owners, distributors and importers for this item or category in a market: maker records with their claim status — verified first, then claimed, then listed. Takes the decision_id of an allow decision.
get_product_documentsCertificates and paper: the documents on an item record (organic certificate, PDO/PGI, halal, kosher, specification, allergen statement, origin declaration, lot where it applies), each a URL with its read date and source class; decision_id required.
log_auditWrite a line to the audit record for a gate decision, an order intent or a handoff (returns the line id).
get_priceThe price for this buyer: the price basis (list · contract · promotion window) from the maker's offers on the record, once gate_transaction has answered allow (decision_id). Plain $ on human surfaces. Tiers buy services, never rank.
get_availabilityIn stock, and where: the availability block of an item (banners on the shelf of record, product URLs read live at load, POS counts where the banner record carries a cited one) once gate_transaction has answered allow (decision_id).
create_order_intentOpen an order between two agents: an order intent for a cleared item after the gate; the intent carries reason_code + rule_set_version and settles by x402 on a2a-x402.ai.
a2a_handoffHand the buyer to the right agent over Agent-to-Agent (A2A): with an allow decision the order intent goes to the counterparty's agent (envelope + card URL); with a deny, the market agent of the ship-to — a referral, never a sale to a consumer.
claim_seatA brand's agent claims its seat on A2A Grocery. Give the agent's card URL and the GTINs the brand claims: every GTIN must resolve on gtinfetch.ai to the maker the card names, and the category comes first (grocery proceeds; a beauty record is referred to a2a-cosmetics.ai; peptides
search_catalogUniversal Commerce Protocol (UCP) catalogue search, version 2026-08-25 (dev.ucp.shopping.catalog.search). arguments: meta {'ucp-agent': {profile}} (required) and catalog {query, context {address_country}, filters {categories, price {min, max} in minor units}, pagination {limit, c
lookup_catalogUniversal Commerce Protocol (UCP) catalogue lookup, version 2026-08-25 (dev.ucp.shopping.catalog.lookup). arguments: meta {'ucp-agent': {profile}} (required) and catalog {ids: product ids (GTIN) or variant ids ( : ), up to 50; context; filters}. Found rows come back as products w
get_productUniversal Commerce Protocol (UCP) product detail, version 2026-08-25 (dev.ucp.shopping.catalog.lookup). arguments: meta {'ucp-agent': {profile}} (required) and catalog {id: a GTIN or a variant id : ; context; filters}. One product of the priced subset with its variants per market
get_market_statusIs this product type a food here, and under which regime? Product type by market: food, special class (novel food, food supplement, infant formula, fortified, organic-certified, alcohol excise) or not permitted — with the rule-set version and the regulator's page.
get_notification_requirementsWhat must be filed before sale in a market: the food business registration or import notification scheme, the food business operator of record, and, for a product type in a special class, the extra step (novel-food authorisation, organic certification, supplement notification) —
get_enforcement_watchRecalls, withdrawals and food-safety alerts, dated: enforcement events by market, category, brand or since a date, each with its source page.
基础检查i
我们检查的是任何人都能看到的信息;我们没有阅读代码。不适用的检查项不计入总数。 · 检查于 2026年11月7日
- ✓ 通过
作者与仓库一致
注册名称已通过 GitHub 账户 greencore-solutions 验证,该账户拥有此仓库
- … 尚未检查
仍在维护
我们还没有从 GitHub 读取这个仓库
- … 尚未检查
有许可证
我们还没有从 GitHub 读取这个仓库
- ✓ 通过
端点有响应
在 515 毫秒内响应(HTTP 200)
- – 不适用
使用 OAuth 登录
无需登录
- ✓ 通过
工具描述中没有隐藏指令
已读取 23 个工具描述,未发现针对 AI 的隐藏指令
与“网店与支付”中的其他服务器比较i
- 星标数多于此分类中其他 2534 个服务器的 0%
- 发布到注册中心的时间比此分类中其他 2534 个服务器的 89% 更新
- 基础检查结果等于或优于此分类中其他 2534 个服务器的 100%
与注册中心里这个分类中所有活跃的服务器比较。只有当发布者拥有该仓库时,星标数才计入。
常见问题
A2A Grocery — the agentic hub for retail grocery procurement 安全吗?
它在 3 项适用的基础检查中通过了 3 项。我们没有阅读代码。在添加密钥或令牌之前,请先看看这个服务器要求哪些权限,并使用只具备所需权限的密钥。
它需要哪些密钥或代码?
注册中心没有列出必需的密钥,不过有些服务器会在首次使用时要求你登录。
它在我的电脑上运行还是在云端?
它在作者的云端运行。通过互联网连接,无需安装,但你发送的内容会经过作者的服务器。
它还在维护吗?
GitHub 仓库最后更新于–,最新版本(1.0.5)于前天进入注册中心。
哪些应用可以使用它?
支持 MCP 的应用,例如 Claude Desktop、Claude Code、Cursor 和 VS Code。它通过 URL 连接,所以接受远程 MCP 服务器的应用也可以使用,例如开启开发者模式的 ChatGPT。
有什么可以替代它?
同一分类中有:Spree Commerce: open-source B2B and marketplace ecommerce, Stripe MCP, MCP Cn Commerce
替代选择
同一分类中其他作者的服务器,按星标数排序。
如何看卡片:★ GitHub 星标i三大支柱:评价 · 检查 · 使用情况i更新 = 最新版本发布到注册中心的时间i
Stripe MCP
MCP server integrating with Stripe - tools for customers, products, payments, and more.
MCP Cn Commerce
8 read-only MCP platform entries; support is operation-specific; merchant live acceptance pending
作者的 README
打开 README
按原文从作者的仓库复制。PopNx MCP 没有审查或背书其内容。HTML、图片和脚本已被移除。链接会离开本站。
A2A Grocery — the agentic hub for retail grocery procurement
Powered by SCHEMA algo for grocery agentic commerce
Agent-to-Agent (A2A) + Model Context Protocol (MCP) hub for retail grocery. Business to business: makers, brand owners, private label, distributors, importers, retailers and their AI agents. Twenty markets on the SCHEMA algo grocery record; ambient, chilled, frozen and fresh; organic, free-from, plant-based, artisan, origin and premium lanes. Call resolve_jurisdiction, then resolve_actor, then gate_transaction before any availability, price, documents, order or handoff tool; those tools refuse without an allow decision. Every record field carries its source page; every response carries notice; every record carries claim_status (listed · claimed · verified). Artificial intelligence makes mistakes. A2A Grocery is an agentic information source, not a recommendation. No ads, ever. No rank for sale. Trade only.
A2A Grocery is built and run by GreenCore Solutions Corp. (github.com/greencore-solutions). This is the public connect kit, MIT.
The door
streamable-HTTP, stateless, server name a2a-grocery, door version 1.0.0, 19 tools (read from the wire 2026-10-02)
Product facts on this hub are served live from gtinfetch.ai, the GTIN resolver for AI agents; every answer carries its source page, date read and gtinfetch’s signature. Paid resolves at x402.gtinfetch.ai.
- Endpoint:
https://mcp.a2a-grocery.ai/mcp— any client that speaks streamable-HTTP:{ "url": "https://mcp.a2a-grocery.ai/mcp", "transport": "streamable-http" } - A2A 0.3.0 JSON-RPC:
https://a2a-grocery.ai/a2a(the hub) andhttps:// .a2a-grocery.ai/a2a(one market agent per market, for examplefr.a2a-grocery.aifor France) - Agent Card:
https://a2a-grocery.ai/.well-known/agent-card.json(ES256, kida2ag-2026-10; keyring/.well-known/jwks.json) - Setup: https://a2a-grocery.ai/setup · Docs: https://a2a-grocery.ai/docs · Support: https://a2a-grocery.ai/support
- Official MCP Registry:
io.github.greencore-solutions/a2a-grocery(server.json in this repo)
The twenty markets
Europe: France, Germany, Italy, Spain, Poland, UK, Netherlands, Belgium, Switzerland. Americas: United States, Canada, Mexico, Brazil. Asia-Pacific: Japan, South Korea, India, Vietnam, Thailand, Singapore, Australia. Every market is a jurisdiction on the record from day one, on one of fourteen rule sets (the seven European Union markets share one food-law set with national riders).
The gate
Three calls before any price: resolve_jurisdiction → resolve_actor → gate_transaction. Twelve reason codes: ALLOW · REQUIRE_NOTIFICATION · REQUIRE_RESPONSIBLE_PERSON · DENY_NOT_PERMITTED_HERE · DENY_INGREDIENT_BANNED · DENY_INGREDIENT_LIMIT · DENY_CLAIM · DENY_MARKET · DENY_ACTOR_CLASS · DENY_UNLICENSED_AGENT · DENY_NO_GTIN · DENY_NOT_VERIFIED.
The tools
- Gate —
resolve_jurisdiction,resolve_actor,gate_transaction - SKUs —
search_cleared_items,get_item,verify_gtin,get_label_and_claims,compare_items - Chains —
find_verified_buyer,find_verified_supplier - HITL (the auditor and documents lane) —
get_product_documents,log_audit - Economics —
get_price,get_availability,create_order_intent,a2a_handoff - Acts —
get_market_status,get_notification_requirements,get_enforcement_watch
Reads are open. The transacting tools take a client-credentials Bearer from the issuer, https://a2a-registry.ai (register at /oauth/register; scope grocery.transact; see https://a2a-grocery.ai/auth.md).
Two worked prompts
Buy side — "Find cleared organic dry pasta suppliers for a discounter in Germany, with certificates and availability."
Sell side — "Which retail buyer desks in France take artisan chilled products, and what does each market require on the label?"
Examples
Stock clients, no adapter: examples/aws_strands.py · examples/azure_semantic_kernel.py · examples/google_genai.py · examples/generic_mcp_client.py; A2A: examples/a2a_aws_strands.py · examples/a2a_azure_agent_framework.py · examples/a2a_google_sdk.py.
Search words
grocery · retail grocery · procurement · supplier · buyer · private label · GTIN · discounter · supermarket · speciality foods · organic · cleared · orderable · AI agent · agent-to-agent · 20 markets · SCHEMA algo · A2A Grocery · agentic hub · Estate AI Agent · GSC Agentic Core
Pay on it
x402 on https://a2a-x402.ai (USDC on Base, settlement after the gate; a refused order intent is not settled and not charged). Front door: https://a2a-pay.ai.
Contact
mcp@a2a-grocery.ai — the registry contact for every listing this hub files. A person reads the form at https://a2a-grocery.ai/support.
Built and run by GreenCore Solutions Corp. Artificial intelligence makes mistakes. A2A Grocery is an agentic information source, not a recommendation. No ads, ever. No rank for sale. Trade only.