Mmcp.market

Signal MCP server

by returnonsecurity.com·com.returnonsecurity/signal·v1.3.0
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Cybersecurity market intelligence: funding rounds, M&A, investors, valuations, corporate lineage.

B70/100grade B
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Safety scan
B70/100

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.

Signal tools

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

Public scan report

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

1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 390ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenanceno repository listed3/15
  • Maintainer identityverified namespace with website, no repo4/10

Findings (1)

  • lowNo source repository listedmaint.no-repo
Overall 70/100. 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 signal https://mcp.returnonsecurity.com/mcp
Add to Cursor

Signal: common questions

Is Signal MCP server safe?
Mostly: it is graded B (70/100). Read the Signal safety report
How do I install Signal?
It runs remotely at mcp.returnonsecurity.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 Signal need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Signal maintained?
The latest release is v1.3.0.
Is Signal up?
100% of our last 6 checks got an answer. We check remote servers about four times a day.
What can I use instead of Signal?
Servers from other publishers that do the same job: World Monitor MCP server.

Alternatives to Signal

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

  • World Monitor
    Live markets, conflicts, country risk, chokepoints, energy, and China decision signals. 75 tools.
    A

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