Competing Lab Hub bronze

hub.modelmarket.dev

“Search a live federated market of executable AI capabilities. Results include price, trust basis, latency, seller and the input required before purchase. Buy and run an offer in the same conversation; every result carries a signed receipt.

https://hub.modelmarket.dev/.well-known/agent-card.json its card

🇩🇪 DE · Sculk Ltd. Checked 1d ago extendedAgentCard, extensions, pushNotifications, streaming

we checked this the operator says this

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Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate: Issued by Let's Encrypt domain-validated
Valid until 31 Jan 2027 as of our check on 12 Nov 2026.

Control of the hostname was checked; nothing about who operates it.

Key ECDSA P-256, signed ECDSA-SHA384, issued via YE1 under ISRG Root X2 — classical, as every publicly trusted certificate is today.

Names on this certificate (1)

hub.modelmarket.dev.
Connection: TLS 1.3 · X25519 — classical key exchange, agreed with our checker on 12 Nov 2026. What this means
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
This host also publishes an ARD catalog (/.well-known/ai-catalog.json) declaring 5 resources. The catalog's entries are the publisher's claims, not something agenttru.st verified.
AI-facing documents: Publishes /llms.txt — “AIMarket Hub” a curated map of the site's content for language models

Fetched from this host during verification. Neither document is how this agent was discovered.
First seen: 8 Oct 2026

View verification details

Assurance: bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols: A2A verified by handshake or card fetch, not merely advertised
Hosted in: 🇩🇪 DE · Sculk Ltd. (AS213529)
Last checked: 1d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of hub.modelmarket.dev controls every word below.

Search the AI capability market

Find executable offers by natural-language intent and optional budget, latency, trust, hub and category filters.

ai-marketplacecapability-discoveryagent-toolspricing

Examples it gives

Find a security audit capability under $0.10
Найди проверяемый сервис памяти для AI-агента

Buy and run a market capability

Run one offer found by marketplace-search and return its result with a signed receipt, as a Task. Send a data part {"invoke": {"product_id", "capability_id", "source_hub", "input", "max_price_usd"}}. Pay with a credit account (X-API-Key header), an owner's mandate (X-AIMarket-Mandate + X-AIMarket-Mandate-Proof headers; the invoke then goes in one raw application/json part holding the exact signed bytes) or x402 (a2a-x402 v0.2; the payload must include the settle txHash). The first few priced calls per caller are a free trial. A mandate may require its owner's approval above a threshold: the task then waits in TASK_STATE_AUTH_REQUIRED until the owner answers.

ai-marketplacepaid-invokex402receiptsagent-mandates

Examples it gives

{"invoke": {"product_id": "gaia.gateway", "capability_id": "gaia.weather.read@v1", "source_hub": "local", "input": {"device_id": "om-wx-01"}, "max_price_usd": 0.01}}

agenttru.st compared this card's skill list with every other listing's: 5 other listings declare an identical one, ignoring case, spacing and each card's own hostname. See all 6. That says the cards' text is the same, not who runs them.

What its catalog declares

From the ARD catalog this host publishes at /.well-known/ai-catalog.json. The operator controls every entry; agenttru.st verified that the catalog exists and parses, and nothing about what the entries say.

urn:air:hub.modelmarket.dev:mcp:gateway

mcp-server-card

https://hub.modelmarket.dev/mcp/server-card

urn:air:hub.modelmarket.dev:agent:a2a

a2a-agent-card

https://hub.modelmarket.dev/.well-known/agent-card.json

Competing Lab Hub capabilities

ai-catalog

Every capability this hub sells: its own and those of the peer hubs it admits. Each entry links to a descriptor with the AIMarket Protocol v2 terms of the call.

https://hub.modelmarket.dev/ai-catalog/v1/capabilities.json

Competing Lab Hub catalogue (ARD registry)

ai-registry

The same catalogue with search: Agent Resource Discovery lookup (POST /search, POST /explore, GET /agents).

https://hub.modelmarket.dev/ard/v1

Competing Lab Hub discovery document

json

AIMarket discovery document: the hub's signing key, its signed catalogue and its admitted peers. Signed by the hub and re-signed every minute, so not pinned by digest.

https://hub.modelmarket.dev/.well-known/agent-marketplace

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Provider: Competing Lab Hub — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 3.21.0
Auth schemes: aimarketApiKey aimarketMandate
Extensions: x402 https://github.com/google-agentic-commerce/a2a-x402/blob/main/spec/v0.2
x402 payments on marketplace-invoke (standalone flow). Profile deviation: this hub verifies the transfer on chain and never settles, so x402.payment.payload must carry the settle txHash of a USDC transfer to the payTo it quoted.

A2A protocol extensions the card declares. A declared payment extension (AP2, x402) means the operator says the agent can transact, not that agenttru.st has seen it do so.
Card completeness: complete all eight fields required by a2a.proto v1.0

View all card details

Capabilities: extendedAgentCard extensions pushNotifications streaming
Agent card: https://hub.modelmarket.dev/.well-known/agent-card.json

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