Mmcp.market

Sentinel MCP server

by 448c.org·org.448c/sentinel·v0.0.1

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

C67/100grade C
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Safety scan
C67/100

full report

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

Sentinel tools (2)

write = sends, deletes, buys or posts
  • check_addressFree

    Check whether a crypto address is safe to transact with. Screens OFAC sanctions + community scam lists and flags contract-vs-wallet. Returns verdict (safe/caution/avoid), 0-100 risk score, reasons, and sources.

  • check_urlFree

    Check whether a URL or domain is a scam/phishing site. Screens the MetaMask crypto-phishing blocklist, domain age (RDAP), and lexical red flags. Returns verdict (safe/caution/avoid), 0-100 risk score, reasons, and sources.

Public scan report

scanner v0.1.9 · 2026-09-26 · same rubric, same numbers if you re-run it

1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1737ms20/20
  • Tool poisoning2 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 67/100. 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 sentinel https://448c.org/mcp
Add to Cursor

Sentinel: common questions

Is Sentinel MCP server safe?
With care: it is graded C, so read the findings first (67/100). Read the Sentinel safety report
How do I install Sentinel?
It runs remotely at 448c.org. 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 Sentinel need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Sentinel maintained?
The latest release is v0.0.1.
Is Sentinel up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of Sentinel?
Servers from other publishers that do the same job: Blockrun MCP server, Agent402.Tools: pay-per-call web tools MCP server and Ibanforge MCP server. Compare all Sentinel alternatives.

Alternatives to Sentinel

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

All Sentinel alternatives →
  • Blockrun
    Web search, deep research, prediction markets & crypto data for AI agents. Pay per call via x402.
    B
  • Agent402.Tools: pay-per-call web tools
    Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, free via PoW or card credits
    A
  • Ibanforge
    Check the bank behind an IBAN before you pay: bank-code check, BIC with source, bank-level sanctions
    B
  • Infinihash Kyt
    Screen crypto wallets vs OFAC SDN + threat intel; pre-payment checks, signed receipts; SAR drafts
    A
  • Stelar Signals
    Crypto market signals and portfolio telemetry. 6 tools pay-per-call in USDC, no API key.
    A

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