io.github.douglasdemaio/vtessera

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

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

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "vtessera": {
      "url": "https://vtessera-mcp.fly.dev/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (7)

• vtessera_get_agent read-only

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

  Parameters:

  • agentId (required) — string — the agent id, which is its Ed25519 public key

  Hints: read-only yes · destructive no · idempotent no · open-world yes

• vtessera_get_capability_report read-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.

  Parameters:

  • agentId (required) — string — the agent id

  Hints: read-only yes · destructive no · idempotent no · open-world yes

• vtessera_get_card_attestation read-only

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

  Parameters:

  • agentId (required) — string — the agent id

  Hints: read-only yes · destructive no · idempotent no · open-world yes

• vtessera_get_offer read-only

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

  Parameters:

  • offerId (required) — string — the offer id

  Hints: read-only yes · destructive no · idempotent no · open-world yes

• vtessera_health read-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.

  Hints: read-only yes · destructive no · idempotent no · open-world yes

• vtessera_route_intent read-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.

  Parameters:

  • targetCapability (required) — string — the capability to satisfy
  • payload (required) — object — arguments for the capability; use an empty object when it takes none
  • policyConstraints — object — constraints the chosen agent's announcement must satisfy

  Hints: read-only yes · destructive no · idempotent no · open-world yes

• vtessera_search_offers read-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.

  Parameters:

  • mint — string — governed stablecoin mint the seller wants paid in
  • limit — integer — how many offers to return
  • query — string — free text matched against the description
  • direction — string — ask or bid
  • capability — string — capability the offer provides
  • settlementMode — string — settlement the offer accepts: offchain or onchain

  Hints: read-only yes · destructive no · idempotent no · open-world yes

Publisher website Repository

Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.