Mmcp.market

ReceiptRail — x402 Delivery Receipts MCP server

by xka0085-byte·io.github.xka0085-byte/receiptrail·v0.2.1

On-chain x402 delivery receipts on Solana: hash-locked, verifiable proof of delivery.

C63/100grade C
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Safety scan
C63/100

full report

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If you have run it, two minutes of your experience saves the next person an afternoon.

ReceiptRail — x402 Delivery Receipts tools (3)

write = sends, deletes, buys or posts
  • get_receiptFree

    Fetch full receipt details: digests, checks, outcome, amount, buyer, seller, timestamp, PDA. Look up by receipt_id, or by x402_payment_ref (always works — the receipt lives on-chain). Read-only, no cost.

  • issue_receiptFree

    Anchor a SHA-256 digest of delivered content plus the x402 settlement reference on Solana. Returns a permanent, publicly verifiable receipt (poll until outcome === "settled"). Costs 0.001 USDC via x402; if x402_payment_signature is omitted, returns the payment challenge instead (pay 0.001 USDC to the service address, then call again with the payment tx signature).

  • verify_receiptFree

    Verify an AgentToll receipt against live Solana state: PDA owner must be the AgentToll program and the stored digest must match the receipt. Look up by receipt_id, or by x402_payment_ref (always works — the receipt lives on-chain). Read-only, no cost.

Public scan report

scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it

1 low
  • Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 4856ms17/20
  • Tool poisoning3 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenanceno repository listed3/15
  • Maintainer identityno repository or website to verify2/10

Findings (1)

  • lowNo source repository listedmaint.no-repo
Overall 63/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add --transport http receiptrail https://agenttoll-receipts.app.workbuddy.host/mcp
Add to Cursor

ReceiptRail — x402 Delivery Receipts: common questions

Is ReceiptRail — x402 Delivery Receipts MCP server safe?
With care: it is graded C, so read the findings first (63/100). Read the ReceiptRail — x402 Delivery Receipts safety report
How do I install ReceiptRail — x402 Delivery Receipts?
It runs remotely at agenttoll-receipts.app.workbuddy.host. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does ReceiptRail — x402 Delivery Receipts need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is ReceiptRail — x402 Delivery Receipts maintained?
The latest release is v0.2.1.
Is ReceiptRail — x402 Delivery Receipts up?
100% of our last 7 checks got an answer. We check remote servers about four times a day.

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