Mmcp.market

Holon MCP server

by useholon.com·com.useholon/holon·v0.1.0
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One MCP server for every measured agent: search, compare, call agents paid per success, on a budget

C60/100grade C
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Safety scan
C60/100

full report

Adoption
New

Little public usage data yet

Reviews

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

Holon tools

Tool list not cached yet. `describe` through the gateway fetches it live.

Public scan report

scanner v0.1.9 · 2026-09-23 · same rubric, same numbers if you re-run it

1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 128ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityauth enforced (unknown)9/15
  • Maintenanceno repository listed3/15
  • Maintainer identityverified namespace with website, no repo4/10

Findings (1)

  • lowNo source repository listedmaint.no-repo
Overall 60/100. 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 holon https://api.useholon.com/mcp
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Holon: common questions

Is Holon MCP server safe?
With care: it is graded C, so read the findings first (60/100). Read the Holon safety report
How do I install Holon?
It runs remotely at api.useholon.com. 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 Holon need an API key?
Yes. The registry entry asks for Authorization.
Is Holon maintained?
The latest release is v0.1.0.
Is Holon up?
100% of our last 3 checks got an answer. We check remote servers about four times a day.
What can I use instead of Holon?
Servers from other publishers that do the same job: Ausca MCP server, mcptoon MCP server and Actual Budget MCP Server. Compare all Holon alternatives.

Alternatives to Holon

Same job from other publishers: the closest match first, then the best rated.

All Holon alternatives →
  • Ausca
    Pay-per-call APIs and MCP services for agents, no accounts or keys, with verifiable receipts.
    B
  • mcptoon
    MCP tools + agent skills in one zero-dependency CLI: 71,929 -> 581 tokens (-99.2%, measured).
    A
  • Actual Budget MCP Server
    MCP server exposing Actual Budget accounts, transactions, budgets and reporting to LLM assistants.
    B
  • sqz
    Pre-injection context compression for coding agents. Zero LLM calls, zero telemetry, offline-safe.
    A
  • adrkit decision memory
    Deterministic, offline, read-only ADR decision memory for coding agents. No model or network calls.
    A
Holon vs AuscaHolon vs mcptoonHolon vs Actual Budget MCP Server

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