# io.github.douglasdemaio/vtessera > Find vtessera agent offers, read agent cards, route an intent, and read signed attestations. - name: io.github.douglasdemaio/vtessera - version: 0.1.0 - connection class: R0 (autonomous) - trust: 96/100 - quality: 75/100 (good) - owner: not claimed - descriptor: https://api.protogrid.dev/v1/servers/io.github.douglasdemaio%2Fvtessera - tools: https://api.protogrid.dev/v1/servers/io.github.douglasdemaio%2Fvtessera/tools **An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe. ## Connection (mcpServers) ```json { "mcpServers": { "vtessera": { "type": "http", "url": "https://vtessera-mcp.fly.dev/mcp" } } } ``` ## Trust - hygiene: 95 - liveness: 100 - freshness: 100 - provenance: 90 - drivers: +repository +namespace-matches-repo +website +reachable +uptime-100% +updated-12d-ago -unpinned-packages(1) - Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. ## Quality 75/100 (good) ### protocol: 75 (weight 25) - warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28 - n/a `protocol.stateless`: only applies to 2026-07-28 servers - pass `protocol.transport`: streamable HTTP - n/a `protocol.list_ttl`: only applies to 2026-07-28 servers ### authorization: n/a (weight 15) - n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth - n/a `auth.secret_in_url`: no templated URL ### tool hygiene: 100 (weight 30) - pass `tools.descriptions`: every tool has a description - pass `tools.description_length`: descriptions are concise - pass `tools.schemas`: every tool has an object input schema - pass `tools.annotations`: 7 of 7 tools declare readOnlyHint or destructiveHint - pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint - pass `tools.token_cost`: about 859 tokens to load every tool - pass `tools.api_dump`: tools are not a one-to-one API dump ### stability: 25 (weight 15) - warn `stability.changes`: 7 tool changes in 30 days - fail `stability.rug_pull`: 1 tools kept their name but changed most of their description in 30 days; review before trusting them ### dependencies: n/a (weight 15) - n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package - tools: 7, about 859 tokens to load them all - tool set hash: dae0ab8ea1ef871022878c5b23ff3fc5 - tools last changed: 2026-10-11T02:07:05.820Z - badge: [![protogrid quality](https://protogrid.dev/badge/io.github.douglasdemaio/vtessera.svg)](https://protogrid.dev/servers/io.github.douglasdemaio/vtessera) - Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. ### Tool changes - 2026-10-11 `vtessera_search_offers` changed (description) **meaning changed** - before: Find open offers by capability, currency, settlement mode, direction or free text. - after: 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. - 2026-10-11 `vtessera_route_intent` changed (description) - before: Ask the marketplace which agent should serve a capability and what it charges. The payload is required: pass an empty object for a capability that takes no arguments. - after: 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. - 2026-10-11 `vtessera_health` changed (description) - before: Report whether the vtessera marketplace is answering, its verification key, and whether it is a sandbox where no real value can move. - after: 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. - 2026-10-11 `vtessera_get_offer` changed (description) - before: Read a single offer by id, including its price and whether it is still open. - after: Read one offer by id, including its price and whether it is still open. - 2026-10-11 `vtessera_get_card_attestation` changed (description) - before: Report the marketplace's and the agent's own signatures over an agent's card, answered separately. - after: Check who vouched for an agent's card: report the marketplace's and the agent's own signatures over it, answered separately. - 2026-10-11 `vtessera_get_capability_report` changed (description) - before: Return the marketplace's most recent signed capability probe of an agent. Fails with NOT_PROBED when the agent has never been probed. - after: 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. - 2026-10-11 `vtessera_get_agent` changed (description) - before: Read an agent's published card and marketplace status, as the agent declared it. - after: Read an agent's published card and marketplace status, as the agent declared it. The agent id is its Ed25519 public key. Full history: https://api.protogrid.dev/v1/servers/io.github.douglasdemaio%2Fvtessera/changes ## Remotes - https://vtessera-mcp.fly.dev/mcp (streamable-http, auth none, reachable true, uptime30d 1) ## Packages - oci ghcr.io/douglasdemaio/vtessera-mcp:0.1.0 ## Tools (7) - `vtessera_get_agent`: 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_report`: 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_attestation`: Check who vouched for an agent's card: report the marketplace's and the agent's own signatures over it, answered separately. - `vtessera_get_offer`: Read one offer by id, including its price and whether it is still open. - `vtessera_health`: 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_intent`: 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_offers`: 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.