Mmcp.market

Capacity Attest MCP server

by holistis·io.github.holistis/capacity-attest·v0.5.0
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Signed delivery claims for x402 capacity trades: GPU-hours, storage, API credits, bandwidth.

A89/100grade A
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Safety scan
A89/100

full report

Adoption
Growing

0 stars85 downloads/wk

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

Capacity Attest tools (3)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • get_delivery_history

    Return every signature-verified delivery claim recorded against a given sellerAddress in THIS installation's

  • record_delivery

    Record a signed delivery claim after an x402 capacity settlement (gpu-hours, storage, api-credits, or bandwidth).

  • resolve_agent_identity

    Look up an agent's on-chain identity registration in an ERC-8004 Identity Registry: who owns the agentId

Public scan report

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

no findings
  • Code scan27 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 1 days ago15/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 89/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

Runs npx -y capacity-attest on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add capacity-attest -- npx -y capacity-attest
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Capacity Attest: common questions

Is Capacity Attest MCP server safe?
Yes, by our scan: it is graded A (89/100). Read the Capacity Attest safety report
How do I install Capacity Attest?
It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Capacity Attest need an API key?
No secret keys are declared. It reads 1 setting from the environment.
Is Capacity Attest maintained?
The last commit was in the last day (2026-09-19). The latest release is v0.5.0.

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