{"protocolVersion":"0.3.0","name":"GSC AIO Agents — UK-ECO-10060","description":"AI Orderability (AIO) Agents — 1000 signed, resident, addressable resolvers on uk.gsc-marketplace.ai (UK-ECO-10060). Each agent carries a market × category remit, is verifiable against /.well-known/jwks.json (kid gsc-aio-cards-2026-08), and resolves a sourcing agent's question into an actionable answer on the selection surface https://mcp.gsc-marketplace.ai/mcp with both doors — Instant Messaging for agents, the GSC Trading Desk for humans. No model behind the agents; everything free. GreenCore Solutions Corp. is a Microsoft AI Cloud Partner.","url":"https://uk.gsc-marketplace.ai/","version":"1.0.1","kind":"agent-card","provider":{"organization":"GreenCore Solutions Corp.","url":"https://gsc-em.com"},"operator":{"name":"GreenCore Solutions Corp.","url":"https://gsc-em.com","duns":"24-336-6774","microsoft_partner":"Microsoft AI Cloud Partner"},"capabilities":{"streaming":false,"pushNotifications":false},"defaultInputModes":["application/json","text/plain"],"defaultOutputModes":["application/json","text/markdown"],"supportedInterfaces":[{"url":"https://uk.gsc-marketplace.ai/0001/a2a","protocolBinding":"JSONRPC","transport":"HTTP+JSON","description":"per-slot A2A (message/send) — replace 0001 with any slot"},{"url":"https://mcp.gsc-marketplace.ai/mcp","protocolBinding":"HTTP+JSON","transport":"streamable-http","description":"GSC-Marketplace (MCP) — the selection surface"}],"skills":[{"id":"aio-resolution","name":"AIO resolution","description":"Ask any of the 1000 AIO Agents on uk.gsc-marketplace.ai an orderability question and receive a signed, deterministic resolution — ACM-300 to the selection surface or ACM-451 to a human.","tags":["aio","orderability","a2a"]},{"id":"verify-aio-agent","name":"Verify an AIO Agent","description":"Verify an AIO Agent's identity offline: Ed25519 signature over the canonical Card body against the host's JWKS.","tags":["identity","ed25519"]},{"id":"hitl-contact","name":"Human-in-the-Loop Contact","description":"Reach GreenCore Solutions Corp. through the marketplace's live, human-reviewed contact endpoint (POST https://formspree.io/f/mppannbj with fields name, email, message). Every transactional commit is human-signed via the GSC Trading Desk.","tags":["contact","hitl"]}],"protocol":"ACM-68000","registry":"io.github.greencore-solutions/gsc-marketplace","mcp_endpoint":"https://mcp.gsc-marketplace.ai/mcp","jwks":"https://uk.gsc-marketplace.ai/.well-known/jwks.json","agents":1000}