MCP.Market

Kaidn MCP server

by kaidn.io·io.kaidn/kaidn-mcp·v0.4.0
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Explain fraud verdicts with evidence, surface account rings, and see who has burned other operators.

B75/100grade B
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Safety scan
B75/100

full report

Adoption
Growing

0 stars59 downloads/wk

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

Kaidn tools (12, 2 write)

write = sends, deletes, buys or posts

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

  • add_to_list

    Add one entity to this tenant's allow or block list. Blocklist entries

  • check_emailwrite action

    Enrichment and in-network reputation for one email address: disposable/

  • check_ip

    Enrichment and in-network reputation for one IP: proxy/VPN/Tor, datacenter

  • check_phone

    Validity, line type, carrier and fraud score for one phone number.

  • explain_event

    The 'why was this blocked?' tool. Returns the event with every check that

  • get_config

    This tenant's weight and threshold overrides plus the effective merged

  • get_stats

    Aggregate view over a rolling window: totals by verdict, average score and

  • investigate_entity

    One call for what a fraud analyst actually wants. Returns enrichment for the

  • label_outcome

    Report what actually happened — fraud, chargeback or legit — to sharpen

  • list_events

    Scored events for this tenant, newest first. Free — does not consume quota.

  • score_eventwrite action

    Run an event through the scoring engine and get {score, verdict, reasons,

  • triage_queue

    Every event sitting on the 'review' verdict, sorted by score descending —

Public scan report

scanner v0.1.10 · 2026-10-16 · same rubric, same numbers if you re-run it

no findings
  • Code scan11 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 qualitystatic API keys via environment variables6/15
  • Maintenancelast push 41 days ago12/15
  • Maintainer identitynamespace and repository owner differ; website matches verified namespace6/10
Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Kaidn compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
75/100
higher than 45% of 48,255 servers
Tools
12
the typical server has 7
Tools that change things
17%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
59
more than 48% of 12,191 servers with a package

What its tools let an agent do: 9 read · 1 create · 2 change

Install Kaidn in Claude Code, Cursor or VS Code

Runs npx -y @kaidn/mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add kaidn-mcp -- npx -y @kaidn/mcp
Add to Cursor

What the publisher says

From the Kaidn repository's README, as published. We do not edit it. Read it on GitHub

<!-- kaidn-header -->

<!-- /kaidn-header -->

Kaidn MCP

Model Context Protocol server for the Kaidn fraud-scoring API.

Investigate fraud in plain English — "why was this signup blocked?", "what else has this device touched?", "what's in the review queue this morning?"

it, so a model can explain a verdict rather than guess at it.

  • Evidence, not just a score. Every reason carries the raw numbers behind

remote and hosted agents.

  • Read-only by default. Nothing changes your tenant unless you opt in.
  • Quota-guarded. An agent in a loop cannot spend your month in ten minutes.
  • Any client. MCP is an open protocol — stdio locally, Streamable HTTP for

Requirements

Node.js 18 or newer, and an API key from your Kaidn dashboard.

Getting started

First, install the Kaidn MCP server with your client. Standard config works in most of the tools:

{
  "mcpServers": {
    "kaidn": {
      "command": "npx",
      "args": ["@kaidn/mcp@latest"],
      "env": { "KAIDN_API_KEY": "your_key" }
    }
  }
}

Claude Code

claude mcp add kaidn --env KAIDN_API_KEY=your_key -- npx @kaidn/mcp@latest

Claude Desktop

Add the standard config to claudedesktopconfig.json, then restart Claude. Settings → Developer → Edit Config opens the file.

Cursor

Settings → MCP → Add new MCP Server, or add the standard config to .cursor/mcp.json in your project (or ~/.cursor/mcp.json for every project).

VS Code

code --add-mcp '{"name":"kaidn","command":"npx","args":["@kaidn/mcp@latest"],"env":{"KAIDN_API_KEY":"your_key"}}'

Windsurf

Add the standard config to ~/.codeium/windsurf/mcp_config.json.

Cline

Add the standard config to clinemcpsettings.json via the MCP Servers icon → Configure MCP Servers.

Zed

Add to settings.json under context_servers, using the same command, args and env as the standard config.

Anything else

Any MCP client takes a command, args and an env block. Use the standard config above. If the client can only reach the server over the network rather than spawning a process, see Streamable HTTP.

Configuration

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Kaidn: common questions

Is Kaidn MCP server safe?
Mostly: it is graded B (75/100). Read the Kaidn safety report
How do I install Kaidn?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Kaidn need an API key?
Yes. The registry entry asks for KAIDN_API_KEY.
Is Kaidn maintained?
The last commit was 60 days ago (2026-09-05). The latest release is v0.4.0.
How does Kaidn compare with other MCP servers?
safety score 75/100 (higher than 45% of 48,255 servers); tools 12 (the typical server has 7); tools that change things 17% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.