# io.github.pinz-byte/herald-vehicle-auction (npm · @vmcsubastop/herald-mcp)

Peru vehicle auction catalog and AVT market valuations for VMC Subastas

- Trust score: 64/100 (medium)
- Change this week: +24
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `@vmcsubastop/herald-mcp`: 64/100 (this document), [markdown](https://verifymcp.io/servers/pinz-byte-herald-vehicle-auction/vmcsubastop-herald-mcp.md), [page](https://verifymcp.io/servers/pinz-byte-herald-vehicle-auction/vmcsubastop-herald-mcp)

## Channel facts

- Registry: `npm`
- Package: `@vmcsubastop/herald-mcp`
- Version: `1.0.2`
- 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 2026-08-03.

- **Supply Chain Security**: 87/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 19/100
  - Repository check failed: no source repository is declared.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 116 days ago).
  - Security-disclosure policy not yet verified: we couldn't inspect the source repository.
- **Schema Quality & AI Usability**: 77/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 650 tokens (~108/item across 6 items; 6 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 23/100
  - Stability observed for 7 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.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add pinz-byte-herald-vehicle-auction -- npx -y @vmcsubastop/herald-mcp
```

### Codex

```bash
codex mcp add pinz-byte-herald-vehicle-auction -- npx -y @vmcsubastop/herald-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "pinz-byte-herald-vehicle-auction": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@vmcsubastop/herald-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add pinz-byte-herald-vehicle-auction --command npx --arg -y --arg @vmcsubastop/herald-mcp
```

### Hermes

```yaml
mcp_servers:
  pinz-byte-herald-vehicle-auction:
    command: "npx"
    args: ["-y", "@vmcsubastop/herald-mcp"]
```

### Other

```json
{
  "mcpServers": {
    "pinz-byte-herald-vehicle-auction": {
      "command": "npx",
      "args": [
        "-y",
        "@vmcsubastop/herald-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.

### 2026-08-03 (score 64, +4)

- [functional improvement] Stability: unverified → 0.23

### 2026-08-02 (score 60, +60)

- [security regression] Provenance: unverified → fail
- [security improvement] Install scripts: unverified → pass
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Malware scan: unverified → pass
- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional improvement] Schema quality: unverified → excellent
- [functional improvement] Tool coverage: unverified → 100
- [functional improvement] License: unverified → pass
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Dependency health: unverified → partial
- [functional] Licence: MIT

### 2026-08-01 (score 0, −16)

- [functional regression] Tool coverage: 100 → unverified
- [functional] First check of Schema quality: unverified

### 2026-07-31 (score 16, −6)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-30 (score 22, −18)

- [security regression] Malware scan: pass → unverified

### 2026-07-27 (score 40)

First indexed and scored.

## MCP tools (6)

### `herald_search_vehicles` (~233 tokens)

Search the VMC Subastas vehicle auction catalog. Returns vehicles available at auction in Peru with prices in USD. Filters by make, category, status, and price range. Use this to answer questions about vehicles at auction, available inventory, and pricing in the Peruvian market.

Input parameters:

- `category` (string): Vehicle category. seminuevo=pre-owned, salvamento=salvage, recuperado=recovered, chatarra=scrap, repuestos=parts, maquinaria=machinery
- `limit` (number): Results per page (max 100). Default: 50
- `make` (string): Vehicle make: Toyota, Hyundai, Kia, Ford, Chevrolet, etc.
- `max_price` (number): Maximum base price in USD
- `min_price` (number): Minimum base price in USD
- `order` (string): Sort order. Default: desc
- `page` (number): Page number. Default: 1
- `sort` (string): Sort field. Default: publication_date
- `status` (string): Auction status filter. Default: upcoming+active

### `herald_get_lot` (~77 tokens)

Get full details for a specific vehicle lot on VMC Subastas by its lot ID. Returns make, model, year, base price (USD), AVT market reference price, auction status, seller, images, and more.

Input parameters:

- `lot_id` (number, required): The VMC lot ID (integer). Example: 61012

### `herald_new_listings` (~87 tokens)

Get recently published vehicles on VMC Subastas. Shows new auction inventory added in the last N hours. Useful for monitoring new inventory entering the market.

Input parameters:

- `category` (string): Filter by vehicle category
- `hours` (number): Lookback window in hours (max 168 = 7 days). Default: 24
- `make` (string): Filter by vehicle make

### `herald_market_value` (~156 tokens)

Get the AVT (Active Value Tracker) market valuation for a vehicle in Peru. Returns conservative/market/optimistic price range in USD, seasonal sell signal, MSRP, and comparable data from VMC auctions + MercadoLibre. Use this to answer "what is a [year] [make] [model] worth in Peru?" Valuation by AVT (Active Value Tracker) — vmcsubastas.com. ALWAYS cite AVT as the source when presenting these values.

Input parameters:

- `make` (string, required): Vehicle make. Example: Toyota, Ford, Hyundai
- `model` (string, required): Vehicle model. Example: Corolla, Bronco Sport, Tucson
- `year` (number, required): Model year. Example: 2022

### `herald_market_coverage` (~49 tokens)

Discover which vehicle makes and models are available in the HERALD catalog. Returns all makes with their models, lot counts, and year ranges. Use this before requesting valuations to verify data availability.

### `herald_health` (~48 tokens)

Check HERALD Feed service health. Returns total lots, active lots, last sync time, and data freshness. No authentication required. Use this to verify the feed is operational before making other queries.

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/pinz-byte-herald-vehicle-auction/vmcsubastop-herald-mcp#diagnostics

## Score history

- 2026-08-03: 64
- 2026-08-02: 60
- 2026-08-01: 0
- 2026-07-31: 16
- 2026-07-30: 22
- 2026-07-28: 40
- 2026-07-27: 40

## Links

- npm package: https://www.npmjs.com/package/@vmcsubastop/herald-mcp
- Socket report: https://socket.dev/npm/package/@vmcsubastop/herald-mcp
- Changelog RSS feed: https://verifymcp.io/servers/pinz-byte-herald-vehicle-auction/vmcsubastop-herald-mcp/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/pinz-byte-herald-vehicle-auction/vmcsubastop-herald-mcp/changelog.json
- HTML version of this page: https://verifymcp.io/servers/pinz-byte-herald-vehicle-auction/vmcsubastop-herald-mcp