Zinvyl Marketplace Agent Gateway MCP Server

by zinvyl Your server? Claim it

answering

Zinvyl Marketplace Agent Gateway is answering right now. Last checked moments ago. It exposes 14 tools.

Match API, CSV, freight, analytics, and content needs to fixed-price services with authority gates.

Uptime history 51 days of history · worst day 90%

51 days agonow

100.0%

Uptime 24h

184 of 184 checks

Tools

read from the server

1004 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 276

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 21 September 2026. No other catalogue keeps this.

1 Nov 5 tools changed the parameters they ask for buy_matching_service, buy_service, create_purchase_intent and 2 more

1 Nov a tool description was rewritten buy_service

28 Oct 5 tools changed the parameters they ask for buy_matching_service, buy_service, create_purchase_intent and 2 more

27 Oct 12 tools changed the parameters they ask for52 times that day acknowledge_purchase_offer, buy_matching_service, buy_service and 9 more

27 Oct a tool description was rewritten list_offers

26 Oct 12 tools changed the parameters they ask for36 times that day acknowledge_purchase_offer, buy_matching_service, buy_service and 9 more

26 Oct 2 tool descriptions were rewritten list_offers, qualify_task

25 Oct 8 tools changed the parameters they ask for18 times that day acknowledge_purchase_offer, buy_matching_service, buy_service and 5 more

25 Oct a tool description was rewritten2 times that day acknowledge_purchase_offer

25 Oct a tool changed version2 times that day

and 228 more, back to 21 September 2026

Zinvyl Marketplace Agent Gateway missed 2 checks this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add marketplace --transport http https://zinvyl-agent-marketplace.gbassford.chatgpt.site/agent-mcp

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

https://zinvyl-agent-marketplace.gbassford.chatgpt.site/agent-mcp

~/.codex/config.toml

[mcp_servers.marketplace]
url = "https://zinvyl-agent-marketplace.gbassford.chatgpt.site/agent-mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "marketplace": {
      "url": "https://zinvyl-agent-marketplace.gbassford.chatgpt.site/agent-mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "marketplace": {
      "type": "http",
      "url": "https://zinvyl-agent-marketplace.gbassford.chatgpt.site/agent-mcp"
    }
  }
}

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Available tools 14

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

buy

buy_matching_service

One-call path for a buyer agent that has explicit delegated authority for a stated allowlist of exact Zinvyl offers. Zinvyl matches one sanitized outcome and creates a bounded purchase intent only when the matched offer is allowlisted and its exact fee fits the delegated ceiling. A catalog gap or authority mismatch creates no order or payment claim.

buy_service

Exact-product, retry-safe agent checkout path. Creates one bounded intent only when delegated authority covers the selected product and exact fee. Project files and fulfillment inputs are requested only after verified payment. Reusing buyer.request_id for an unchanged purchase returns the same intent.

purchase

create_purchase_intent

Compatibility alias for existing clients; new integrations should use buy_service. Use only after selecting one offer when the calling agent has explicit delegated authority for that exact fixed fee. Creates the governed purchase intent and quote, then returns adaptive Stripe-hosted checkout by default. It does not itself claim payment or start work.

get_purchase_requirements

Use after selecting an offer. Returns the exact price, five-field buy_service contract, delegated-authority requirements, machine-payment route, capacity limits, and authoritative funding rule without creating an intent.

acceptance

get_acceptance_tests

Use after qualify_task or list_offers identifies an offer and detailed scope review is useful. Returns the exact delivery acceptance tests, exclusions, and evidence boundaries that limit what Zinvyl may claim for that offer.

acknowledge

acknowledge_purchase_offer

Records that an agent actually received and retained one exact offer. A durable return method, operator linkage, and delegated limits are optional and recorded only when truthfully supplied. Receipt-only acknowledgement creates no order, grants no authority, stores no callback URL, and never proves payment.

match

match_or_capture_demand

Compatibility alias for existing clients; new integrations should use qualify_task first and find_service only after consent. Returns an existing fixed offer when one matches. Otherwise records privacy-minimized product-demand telemetry for owner review; it creates no order, quote, outreach, funding claim, or delivery commitment.

offers

list_offers

Use when comparing Zinvyl's full 17-option catalog. For a single sanitized need, start with read-only qualify_task. Returns price, delivery window, required inputs, exclusions, and direct intake URL; use get_acceptance_tests only after selecting an offer.

preflight

preflight_agent_purchase

Read-only transaction check. Verifies product match, credential, standing agent policy or narrower signed mandate, exact offer allowlist, price ceiling, current terms, sanitized scope, capacity, and payment-route readiness. It creates no intent, checkout, charge, order, or telemetry event.

prepare

prepare_purchase_route

Compatibility inspection alias for existing clients; new integrations should use get_purchase_requirements and buy_service. Use only after selecting an offer and confirming explicit purchasing authority. Returns the purchase-intent schema and payment-route API endpoint; it does not create, fund, verify, or start an order.

qualify

qualify_task

Preferred read-only first action whenever a buyer provides one sanitized expected-versus-actual need, including after list_offers. Returns the smallest matching fixed-price offer, a broader-service route, or a scope-reduction decision; it performs no diagnosis, retains no request text, and creates no order.

recover

recover_abandoned_purchase

Recovers the original transaction for the same authenticated buyer, authority policy, request ID, offer, sanitized scope, amount, currency, funding route, and current terms. Before funding it resumes an expired reservation; after verified funding it safely reissues scoped order access without charging again.

resume

resume_agent_purchase

Read-only durable continuation. Returns the exact observed stop and next executable action for a previously returned opaque continuation token. It creates no purchase, checkout, charge, or order.

service

find_service

Optional demand-feedback route. Describe one authorized sanitized business need once. Zinvyl returns the best fixed-scope offer and next purchase action, or records an unsupported need as privacy-minimized product telemetry. For read-only matching, start with qualify_task.

Endpoints

URL	Transport	State	Latency	Checked
https://zinvyl-agent-marketplace.gbassford.chatgpt.site/agent-mcp	streamable-http	answering	1937 ms	0 min ago
https://zinvyl.com/marketplace/agent-mcp	streamable-http	answering	1152 ms	1 min ago

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Zinvyl Marketplace Agent Gateway — questions

Answers built from our own checks of this server.

What can Zinvyl Marketplace Agent Gateway do?

It exposes 14 tools, read directly from the server on our last check. Among them: acknowledge_purchase_offer, buy_matching_service, buy_service, create_purchase_intent, find_service, get_acceptance_tests and 8 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 Zinvyl Marketplace Agent Gateway mostly used for?

Its tools cluster around buy and purchase. 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 Zinvyl Marketplace Agent Gateway working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 184 of 184 checks got a reply (100.0%), average response time 1004 ms. The bar chart above shows every period we have measured.

How do I connect Zinvyl Marketplace Agent Gateway?

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 Zinvyl Marketplace Agent Gateway need an API key?

No. Zinvyl Marketplace Agent Gateway completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 14 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Zinvyl Marketplace Agent Gateway?

It answers our handshake in 1004 ms on average, which is faster than 4% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.