# io.github.benliberte/immo (npm · bdatax-immo-mcp)

InvestScore immobilier France (DPE, DVF, risques, INSEE), payé à la requête en USDC via x402.

- Trust score: 75/100 (medium)
- Change this week: +3
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-09-20

## Components

- npm · `bdatax-immo-mcp`: 75/100 (this document), [markdown](https://verifymcp.io/servers/benliberte-immo/bdatax-immo-mcp.md), [page](https://verifymcp.io/servers/benliberte-immo/bdatax-immo-mcp)

## Channel facts

- Registry: `npm`
- Package: `bdatax-immo-mcp`
- Version: `0.1.2`
- 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 2026-09-20.

- **Supply Chain Security**: 88/100
  - No malware found by supply-chain analysis.
  - CVE check failed: a known high-severity CVE affects uuid 8.3.2, reached via x402-fetch > x402 > wagmi > @wagmi/connectors > @metamask/sdk > uuid. A fixed version is available.
  - No install/post-install scripts declared.
  - Dependency health was assessed across the 400 of 526 dependencies we could resolve, so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 17 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 78/100
  - AI-judged instruction clarity (excellent).
  - Context-footprint check failed: tool/resource definitions use about 310 tokens (~155/item across 2 items; 2 tools + 0 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 57/100
  - Stability observed for 17 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 2 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 2 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.benliberte/immo MCP server?

io.github.benliberte/immo runs locally as an npm package, launched with npx -y bdatax-immo-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 benliberte-immo -- npx -y bdatax-immo-mcp
```

### Cursor

```json
{
  "mcpServers": {
    "benliberte-immo": {
      "command": "npx",
      "args": [
        "-y",
        "bdatax-immo-mcp"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "benliberte-immo": {
      "command": "npx",
      "args": [
        "-y",
        "bdatax-immo-mcp"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add benliberte-immo -- npx -y bdatax-immo-mcp
```

### opencode

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

### OpenClaw

```bash
openclaw mcp add benliberte-immo --command npx --arg -y --arg bdatax-immo-mcp
```

### Hermes

```yaml
mcp_servers:
  benliberte-immo:
    command: "npx"
    args: ["-y", "bdatax-immo-mcp"]
```

### Netclaw

```json
{
  "McpServers": {
    "benliberte-immo": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "bdatax-immo-mcp"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add benliberte-immo -t stdio -c npx -a -y bdatax-immo-mcp
```

### Other

```json
{
  "mcpServers": {
    "benliberte-immo": {
      "command": "npx",
      "args": [
        "-y",
        "bdatax-immo-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.

### 2026-09-19 (score 75, +1)

No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-17 (score 74, +1)

No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-15 (score 73, 0)

- [security improvement] CVE-2026-67316 no longer affects this package
- [security improvement] CVE-2026-67313 no longer affects this package
- [security improvement] CVE-2026-67312 no longer affects this package
- [security improvement] CVE-2026-67321 no longer affects this package
- [security improvement] CVE-2026-67315 no longer affects this package
- [security improvement] CVE-2026-67320 no longer affects this package
- [security improvement] CVE-2026-67317 no longer affects this package
- [security improvement] CVE-2026-67318 no longer affects this package
- [security improvement] CVE-2026-67319 no longer affects this package
- [security improvement] CVE-2026-67314 no longer affects this package

### 2026-09-14 (score 73, +1)

No change was recorded against any check on this day. Stability & Change Management went from 33 to 37. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 11 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-12 (score 72, +1)

No change was recorded against any check on this day. Stability & Change Management went from 27 to 30. That category is still filling its 30-day observation window: 8 days of observed history at the previous scan, 9 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-11 (score 71, +4)

- [functional improvement] Stability: unverified → 0.27

### 2026-09-03 (score 67)

First indexed and scored.

## MCP tools (2)

### `investscore` (~165 tokens)

InvestScore immobilier (France)

Analyse d'investissement locatif pour une adresse française. Renvoie deux notes /100 : un RendementScore (potentiel de cash-flow : rendement locatif + contrainte énergétique DPE) et un SécuritéScore (risque Géorisques + liquidité du marché + contexte socio-économique). Croise DPE ADEME, valeur marchande DVF, risques BRGM et revenus INSEE. Paiement automatique de 0,01 USDC sur Base (x402).

Input parameters:

- `adresse` (string, required): Adresse complète du bien, ex: '12 rue de la Paix 75002 Paris'
- `loyerM2Mois` (number): Loyer mensuel au m² si connu (donne un rendement réel au lieu d'estimé)

### `dpe` (~145 tokens)

DPE + données immobilières (France)

Récupère le diagnostic de performance énergétique (DPE) d'un bien français, enrichi de la valeur marchande estimée (transactions DVF), des risques naturels et technologiques (Géorisques) et du contexte socio-économique de la commune (INSEE FILOSOFI). Fournir une adresse précise, ou un code postal pour lister les DPE d'une zone. Paiement automatique de 0,001 USDC sur Base (x402).

Input parameters:

- `adresse` (string): Adresse complète, ex: '203 rue Saint-Honoré 75001 Paris'
- `cp` (string): Code postal seul, ex: '75001'

## Diagnostics

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

## Score history

- 2026-09-20: 75
- 2026-09-19: 75
- 2026-09-18: 74
- 2026-09-17: 74
- 2026-09-16: 73
- 2026-09-15: 73
- 2026-09-14: 73
- 2026-09-13: 72
- 2026-09-12: 72
- 2026-09-11: 71
- 2026-09-10: 67
- 2026-09-09: 67
- 2026-09-08: 67
- 2026-09-07: 67
- 2026-09-06: 67
- 2026-09-05: 67
- 2026-09-04: 67
- 2026-09-03: 67

## Common questions

### What is the io.github.benliberte/immo MCP server?

io.github.benliberte/immo is an MCP server listed in the public MCP registry as io.github.benliberte/immo. InvestScore immobilier France (DPE, DVF, risques, INSEE), payé à la requête en USDC via x402. This page covers its npm package (bdatax-immo-mcp).

### Is the io.github.benliberte/immo MCP server safe to use?

io.github.benliberte/immo scores 75 out of 100 on VerifyMCP. We recorded 4 known advisories against it as of 20 September 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.benliberte/immo MCP server expose?

io.github.benliberte/immo exposes 2 tools: investscore, dpe. Their descriptions and schemas cost roughly 310 tokens of context every time the server is loaded.

### Is the io.github.benliberte/immo MCP server still maintained?

io.github.benliberte/immo is still listed as active in the MCP registry. We last reached this channel on 20 September 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.benliberte/immo MCP server under?

io.github.benliberte/immo declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.

## Links

- npm package: https://www.npmjs.com/package/bdatax-immo-mcp
- Socket report: https://socket.dev/npm/package/bdatax-immo-mcp
- Repository: https://github.com/bdatax-x/dpe-x402
- Changelog RSS feed: https://verifymcp.io/servers/benliberte-immo/bdatax-immo-mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/benliberte-immo/bdatax-immo-mcp.json
- HTML version of this page: https://verifymcp.io/servers/benliberte-immo/bdatax-immo-mcp