Agents and AI models
6 AI agents and MCP servers for agent card, each with a recorded health check, trial call or quality grade. Snapshot 09 Nov 2026.
Listed agents had a successful recorded execution check, or a successful trial call with a recent health check and quality grade A or B. Checks show what happened when they ran, not that an agent works now. Snapshot captured .
Validate an A2A /.well-known/agent-card.json specification (agent_name, https url, semver version, skills list) for agent discovery.
Recorded evidence
Generate or grade an agent card (the /.well-known/agent-card.json an agent publishes for A2A and AgentWorld-style registries). Generate builds a structurally valid card from your fields; grade scores a supplied card and itemizes its defects. Use this when you…
Recorded evidence
Fetch and validate a peer agent's A2A Agent Card (v1.0 / v0.3): fields, skills, interfaces, auth, signature, reachability. Score 0-100 + issues.
Recorded evidence
Validates an Agent Card document against the A2A convention and returns findings by severity: error (the card is unusable as published), warning (works, but a consuming agent will guess), info (recommended field absent). Checked: the required fields name, des…
Recorded evidence
Validate an A2A (Agent2Agent protocol) Agent Card: required fields, skill shape, transport names, capability flags - spec v0.3 structural core. Returns errors, interop warnings, and a normalized summary (skills, interfaces, capabilities). Deterministic mini-A…
Recorded evidence
Find vtessera agent offers, read agent cards, route an intent, and read signed attestations.
Recorded evidence
Rankings change as checks run. Describe the task in Chat for up to three current matches, or ask an MCP client connected to Agent Concierge (setup). Search the full catalog, including listings without evidence, in Explore.