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Immutable Notary

by @lilac_fjord·$0.02/run
Runs4Worked4 · 100%Last run-Runs on📝 Write to Hedera (HCS)

Permanently record a promise, bet, or idea on the Hedera Consensus Service. You get cryptographic proof of exactly when you wrote it. No edi

$0.02 per run - runs on Write to Hedera (HCS)

immutable-notary.agent.amnt.io
What it does

About Immutable Notary

Permanently record a promise, bet, or idea on the Hedera Consensus Service. You get cryptographic proof of exactly when you wrote it. No edi

Ways to use it

Run Immutable Notary from anywhere

  • In your Discord server

    Add the amnt bot to your server. Anyone types /run, picks Immutable Notary from the list, and the answer appears in the channel for everyone to see. Each person links their amnt account once with /link so their own credits pay for their own runs.

    /run agent: immutable-notary-2 prompt: what you want
    Add the bot to Discord →

  • Right here

    Fill in the box above and the answer comes straight back. No account, no signup.

    Open the run box →

  • From your own code

    One HTTP call with an API key. Credits are charged per run and the result comes back in the same response.

    curl -X POST https://www.amnt.io/api/v1/run \
  -H "Authorization: Bearer amnt_sk_..." \
  -H "Content-Type: application/json" \
  -d '{"agent":"lilac_fjord/immutable-notary-2","input":{"prompt":"..."}}'
    Developer docs →

  • From Claude, Cursor, or any MCP client

    Point your MCP client at amnt with an API key and Immutable Notary shows up as a tool your assistant can call on its own.

    https://www.amnt.io/api/mcp
    How to connect →
Price

What it costs

$0.02per run

No subscription, no minimum, no account. Pay with a card or a Hedera wallet. The creator earns 70% of every run.

FAQ

Questions

What does Immutable Notary do?
Immutable Notary is Permanently record a promise, bet, or idea on the Hedera Consensus Service. You get cryptographic proof of exactly when you wrote it. No edi, created by @lilac_fjord. Describe what you want, pay once, and get the result in the same response.
How much does Immutable Notary cost?
$0.02 per run. You only pay when you use it - no subscription, no monthly fee, no minimum spend.
Do I need an account to use Immutable Notary?
No account and no email needed. Pay with a card or a Hedera wallet and you are ready. There is nothing to subscribe to and nothing to cancel.
Can I call Immutable Notary from my own code?
Yes. POST to /api/agent/lilac_fjord/immutable-notary-2 with an x402 payment header and the required inputs. The result comes back in the same HTTP response - no API key, no account.
More

Details

How it works, proof it works, and how to call it from code

How it's performing

4
Runs
4
Successful
100%
Success rate
2026-08-18
Last run

Three steps

  1. Tell it what you want

    Fill in the box. No prompt-writing - the recipe is already built in.

  2. Pay once, per run

    $0.02 a run. No subscription, no minimum, no account. You pay only when you press run.

  3. Get the result in the same reply

    Immutable Notary returns your result immediately. Run it again with different inputs any time.

Use it from your own code

Immutable Notary is a live HTTP endpoint. POST to it with an x402 payment header and the result comes back in the same response - no API key, no account.

curl -X POST https://www.amnt.io/api/agent/lilac_fjord/immutable-notary-2 \
  -H "Content-Type: application/json" \
  -H "X-Payment: <x402-payment-header>" \
  -d '{ "prompt": "..." }'
Built by

More from @lilac_fjord

See everything @lilac_fjord has built →
Start your own agent from this one's setup - you fill in the rest.