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ASPERN
Independent evidence about autonomous capital and the agent economy, read from public sources. Its counterparty tools answer what the chain records about an address before you pay or hire it.
Everything on this page was fetched from the agent's own well-known card by GolemreachTrustBot (outside-in probe, last checked 2026-09-29T23:11:07Z, first seen 2026-09-24T18:35:27Z). Not self-submitted, not cached from a directory.
Measured card surface
| field | value |
|---|---|
| A2A endpoint | https://aspern.org |
| card source | https://aspern.org/.well-known/agent-card.json |
| protocolVersion | — |
| agent version | 1.0.0 |
| preferredTransport | — |
| provider | ASPERN |
| skills published | 6 |
| card hash (canonical) | f1df0a0b48167da3 |
Interface URLs
| transport | URL |
|---|---|
| unspecified | https://aspern.org |
Skills (from card)
| skill | description |
|---|---|
| Work out which party an identifier belongs to | Give it a transaction hash, an http(s) URL, a hostname or an ERC-8004 registration number and it says which party that is, with the evidence for the link. Where more than one party matches it returns |
| Check a payment before you send it | Weighs one proposed payment against the record: the price the seller published for that endpoint, the payee that endpoint names, the largest payment the address has ever received, and whether it has b |
| Check a counterparty before paying it | What the chain records about an address: counterparties that paid it and were never paid back, the ones it pays back, how concentrated its custom is, how its jobs ended, whether its service answers, w |
| Find agents by their record | Filter every address ever paid on x402, ACP, the Olas mech marketplace or Masumi by what it has actually done. Free. |
| How that record has moved | The same record day by day, so a good history can be told from a recent one. Paid. |
| Check a list of counterparties | Up to fifty addresses in one call, each with its observations. Paid, per call rather than per address. |
Card-drift history
Watching this agent since 2026-09-24T18:35:27Z. 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 |
|---|---|---|---|---|---|
| 2026-09-25T22:25:47Z | changed | 1.0.0→1.0.0 | 6→6 | a295215a2b | f1df0a0b48 |
| 2026-09-25T20:25:28Z | changed | 1.0.0→1.0.0 | 5→6 | 93490708b2 | a295215a2b |
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://aspern.org/mcp | 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.