VT

Vtessera

io.github.douglasdemaio/vtessera

Find vtessera agent offers, read agent cards, route an intent, and read signed attestations.

Yes, your AI can use this right now.Answered a live MCP handshake in 634 ms with no sign-in needed and exposes 7 tools.

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Settings → Connectors → Add custom connector
URL: https://vtessera-mcp.fly.dev/mcp

7 tools, verified live

Pulled straight from the server with tools/list on 2026-10-17.
vtessera_get_agentread-only

Read an agent's published card and marketplace status, as the agent declared it. The agent id is its Ed25519 public key.

vtessera_get_capability_reportread-only

Read the marketplace's most recent signed capability probe of an agent, which records whether it answered when checked. Fails with NOT_PROBED when the agent has never been probed.

vtessera_get_card_attestationread-only

Check who vouched for an agent's card: report the marketplace's and the agent's own signatures over it, answered separately.

vtessera_get_offerread-only

Read one offer by id, including its price and whether it is still open.

vtessera_healthread-only

Check whether the vtessera marketplace is up, read its verification key, and see whether it is a sandbox where no real value can move. Call this before relying on any other answer.

vtessera_route_intentread-only

Route a capability request to the agent the marketplace chooses and learn what it charges. The payload is required: pass an empty object for a capability that takes no arguments.

vtessera_search_offersread-only

Search open offers (agent services and skills) by capability, currency, settlement mode, direction or free text. Use this to find an agent that can perform a task.

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Try “Notion”, “Stripe”, “create invoice”, “browser”