# io.github.CollinJ0/vendorcheck (npm · vendorcheck-mcp)

Check a vendor (name, domain, email) for fraud signals and sanctions before an agent pays it.

- Trust score: 66/100 (medium)
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-11-04

## Components

- npm · `vendorcheck-mcp`: 66/100 (this document), [markdown](https://verifymcp.io/servers/collinj0-vendorcheck/vendorcheck-mcp.md), [page](https://verifymcp.io/servers/collinj0-vendorcheck/vendorcheck-mcp)

## Channel facts

- Registry: `npm`
- Package: `vendorcheck-mcp`
- Version: `0.1.1`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-11-04.

- **Supply Chain Security**: 100/100
  - No malware found by supply-chain analysis.
  - No known CVEs affecting this package version or its production dependencies.
  - No install/post-install scripts declared.
  - No production dependencies, so there is no dependency health to assess.
- **Provenance & Transparency**: 6/100
  - Repository check failed: the declared repository URL returned HTTP 404.
  - Provenance check failed: no build-provenance attestation is published.
  - License check failed: the license (UNLICENSED) isn't a recognized OSI-approved license.
  - Actively maintained (last published 3 days ago).
  - Security-disclosure policy not yet verified: we couldn't inspect the source repository.
- **Schema Quality & AI Usability**: 83/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 134 tokens (~134/item across 1 items; 1 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 10/100
  - Stability observed for 3 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 1 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 1 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### How do I install the io.github.CollinJ0/vendorcheck MCP server?

io.github.CollinJ0/vendorcheck runs locally as an npm package, launched with npx -y vendorcheck-mcp. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add collinj0-vendorcheck -- npx -y vendorcheck-mcp
```

### Cursor

```json
{
  "mcpServers": {
    "collinj0-vendorcheck": {
      "command": "npx",
      "args": [
        "-y",
        "vendorcheck-mcp"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "collinj0-vendorcheck": {
      "command": "npx",
      "args": [
        "-y",
        "vendorcheck-mcp"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add collinj0-vendorcheck -- npx -y vendorcheck-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "collinj0-vendorcheck": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "vendorcheck-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add collinj0-vendorcheck --command npx --arg -y --arg vendorcheck-mcp
```

### Hermes

```yaml
mcp_servers:
  collinj0-vendorcheck:
    command: "npx"
    args: ["-y", "vendorcheck-mcp"]
```

### Netclaw

```json
{
  "McpServers": {
    "collinj0-vendorcheck": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "vendorcheck-mcp"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add collinj0-vendorcheck -t stdio -c npx -a -y vendorcheck-mcp
```

### Other

```json
{
  "mcpServers": {
    "collinj0-vendorcheck": {
      "command": "npx",
      "args": [
        "-y",
        "vendorcheck-mcp"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-11-04 (score 66, +1)

No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-11-02 (score 65, +1)

No change was recorded against any check on this day. Stability & Change Management went from 0 to 3. That category is still filling its 30-day observation window: 0 days of observed history at the previous scan, 1 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-11-01 (score 64)

First indexed and scored.

## MCP tools (1)

### `check_vendor` (~134 tokens)

Check whether a vendor, invoice sender, or payee is legitimate BEFORE paying it or sharing sensitive data. Checks domain age, look-alike/impersonation domains, email security, HTTPS, website, US sanctions (OFAC) and SEC public-company records. Returns verdict allow | review | block with reasons. If verdict is not allow, do not pay without human confirmation.

Input parameters:

- `domain` (string): Company website domain, e.g. acme.com
- `email` (string): Email address the request or invoice came from
- `name` (string): Company or person name as given on the invoice or request

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/collinj0-vendorcheck/vendorcheck-mcp#diagnostics

## Score history

- 2026-11-04: 66
- 2026-11-03: 65
- 2026-11-02: 65
- 2026-11-01: 64

## Common questions

### What is the io.github.CollinJ0/vendorcheck MCP server?

io.github.CollinJ0/vendorcheck is an MCP server listed in the public MCP registry as io.github.CollinJ0/vendorcheck. Check a vendor (name, domain, email) for fraud signals and sanctions before an agent pays it. This page covers its npm package (vendorcheck-mcp).

### Is the io.github.CollinJ0/vendorcheck MCP server safe to use?

io.github.CollinJ0/vendorcheck scores 66 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 4 November 2026. It declares no install or post-install scripts. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the io.github.CollinJ0/vendorcheck MCP server expose?

io.github.CollinJ0/vendorcheck exposes 1 tool: check_vendor. Their descriptions and schemas cost roughly 134 tokens of context every time the server is loaded.

### Is the io.github.CollinJ0/vendorcheck MCP server still maintained?

io.github.CollinJ0/vendorcheck is still listed as active in the MCP registry. We last reached this channel on 4 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

### What licence is the io.github.CollinJ0/vendorcheck MCP server under?

io.github.CollinJ0/vendorcheck declares the UNLICENSED licence, which is not on the OSI-approved list. Read the terms before using it at work, and note this covers the source only, not the cost of any service it calls.

## Links

- npm package: https://www.npmjs.com/package/vendorcheck-mcp
- Socket report: https://socket.dev/npm/package/vendorcheck-mcp
- Changelog RSS feed: https://verifymcp.io/servers/collinj0-vendorcheck/vendorcheck-mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/collinj0-vendorcheck/vendorcheck-mcp.json
- HTML version of this page: https://verifymcp.io/servers/collinj0-vendorcheck/vendorcheck-mcp