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47620 Multichain Data API
Pay-per-call blockchain data and pre-payment safety/risk checks for autonomous agents, across Solana, Base and Polygon. One MCP server, neutral tools with an explicit `chain`. Settles over x402 (USDC on any of the three chains) with no accounts or API keys.
Everything on this page was fetched from the agent's own well-known card by GolemreachTrustBot (outside-in probe, last checked 2026-09-29T23:54:11Z, first seen 2026-09-20T00:23:20Z). Not self-submitted, not cached from a directory.
Measured card surface
| field | value |
|---|---|
| A2A endpoint | https://47620.xyz |
| card source | https://47620.xyz/.well-known/agent-card.json |
| protocolVersion | 1.0.0 |
| agent version | 1.0.0 |
| preferredTransport | — |
| provider | 47620 |
| skills published | 2 |
| card hash (canonical) | 16bb281d96d3bfab |
Interface URLs
| transport | URL |
|---|---|
| unspecified | https://47620.xyz |
Skills (from card)
| skill | description |
|---|---|
| Solana pre-payment risk check | Before sending SOL/USDC to any address: returns account type, balance, activity and a 0-100 risk score with a proceed/review/do-not-pay recommendation. The destination gate for an agent spend policy. |
| Solana blockchain data | Live Solana data: network health, SOL/USD, token market data, account balances, transactions, trending DEX pairs, token safety and whale concentration. |
Card-drift history
Watching this agent since 2026-09-20T00:23:20Z. Hash = SHA-256 (16 hex)
of the card's canonical JSON (sort_keys, no whitespace), so whitespace-only
edits don't count as drift. Feed:
api/a2a-drift.json.
| when (UTC) | what | version | skills | hash was | hash now |
|---|---|---|---|---|---|
| 2026-09-27T20:16:07Z | changed | 1.0.0→1.0.0 | 2→2 | 2354ee778f | 16bb281d96 |
| 2026-09-27T16:09:10Z | changed | 1.0.0→1.0.0 | 2→2 | f2e8564a43 | 2354ee778f |
Same host, MCP side
Endpoints on this host that also appear in the official MCP registry, with their live trust grades — one host, two protocols, measured independently.
| MCP endpoint | grade | MCP OK | auth |
|---|---|---|---|
| https://47620.xyz/mcp | A | ✓ | open |
| https://47620.xyz/mcp/evm | A | ✓ | open |
| https://47620.xyz/mcp/solana | A | ✓ | open |
| https://47620.xyz/mcp/multichain | A | ✓ | open |
Golemreach Trust Layer · A2A index · method & opt-out · card re-fetched every sweep round; opt-out per /trust/bot removes the whole host within 48h.