# io.github.mizukaizen/x402-tools-mcp (npm · @melis-ai/x402-tools-mcp)

melis x402 Tools — 22 pay-per-call APIs for AI agents. No accounts, no API keys. USDC on Base.

- Trust score: 64/100 (medium)
- Change this week: +40
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `@melis-ai/x402-tools-mcp`: 64/100 (this document), [markdown](https://verifymcp.io/servers/mizukaizen-x402-tools-mcp/melis-ai-x402-tools-mcp.md), [page](https://verifymcp.io/servers/mizukaizen-x402-tools-mcp/melis-ai-x402-tools-mcp)

## Channel facts

- Registry: `npm`
- Package: `@melis-ai/x402-tools-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 2026-08-03.

- **Supply Chain Security**: 86/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (94 of 98), 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 (94 of 98), 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 79 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 70/100
  - AI-judged instruction clarity (good).
  - Tool/resource definitions use about 885 tokens (~52/item across 17 items; 17 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**: 67/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 0% 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 mizukaizen-x402-tools-mcp -- npx -y @melis-ai/x402-tools-mcp
```

### Codex

```bash
codex mcp add mizukaizen-x402-tools-mcp -- npx -y @melis-ai/x402-tools-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "mizukaizen-x402-tools-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@melis-ai/x402-tools-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add mizukaizen-x402-tools-mcp --command npx --arg -y --arg @melis-ai/x402-tools-mcp
```

### Hermes

```yaml
mcp_servers:
  mizukaizen-x402-tools-mcp:
    command: "npx"
    args: ["-y", "@melis-ai/x402-tools-mcp"]
```

### Other

```json
{
  "mcpServers": {
    "mizukaizen-x402-tools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@melis-ai/x402-tools-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, +3)

- [functional improvement] Stability: unverified → 0.23

### 2026-08-02 (score 61, +43)

- [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 regression] Tool coverage: 100 → unverified
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Schema quality: unverified → good
- [functional improvement] License: unverified → pass
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] Maintenance: unverified → pass
- [functional] Licence: MIT

### 2026-07-31 (score 18, −24)

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

### 2026-07-28 (score 42, +18)

- [functional regression] Security disclosure: unverified → fail
- [functional improvement] Tool coverage: unverified → 100
- [functional] First check of Schema quality: pass
- [functional] First check of Schema quality: unverified
- [functional] First check of Tool coverage: 0
- [functional] First check of Schema quality: fail

### 2026-07-27 (score 24)

First indexed and scored.

## MCP tools (17)

### `list_services` (~33 tokens)

Returns the catalogue of available services with prices, descriptions, and endpoint URLs. Call this first to introspect what is available.

### `cacheserve` (~57 tokens)

[$0.001 USDC] Fetch a URL with caching. Returns cached version if recent, otherwise fetches and caches. Use before any fetch that might be repeated.

Input parameters:

- `ttl_seconds` (number)
- `url` (string, required)

### `docconvert_text` (~57 tokens)

[$0.001 USDC] Format conversion: md↔html, json↔csv, etc. Lightweight content transcoding.

Input parameters:

- `content` (string, required)
- `from` (string, required)
- `to` (string, required)

### `docconvert_pdf` (~51 tokens)

[$0.005 USDC] Convert HTML or markdown to PDF. Returns base64-encoded PDF.

Input parameters:

- `content` (string, required)
- `from` (string, required)
- `to` (string, required)

### `linkrisk` (~45 tokens)

[$0.005 USDC] Lightweight URL risk profile: checks phishing signals, redirects, domain age, IP reputation. Use before visiting unknown URLs.

Input parameters:

- `url` (string, required)

### `linksafe` (~44 tokens)

[$0.01 USDC] Definitive URL safety check (Playwright sandbox + VirusTotal + redirect tracing). More thorough than linkrisk.

Input parameters:

- `url` (string, required)

### `markdownopt` (~56 tokens)

[$0.005 USDC] Convert URL or HTML to clean LLM-ready markdown. ~70% token reduction vs raw HTML. Pass a url OR html field.

Input parameters:

- `html` (string)
- `url` (string)

### `notifyrelay_email` (~53 tokens)

[$0.005 USDC] Send a transactional email. Allowlisted recipient domains; rate-limited per IP.

Input parameters:

- `body` (string, required)
- `subject` (string, required)
- `to` (string, required)

### `notifyrelay_telegram` (~42 tokens)

[$0.002 USDC] Send a Telegram message to a known chat ID.

Input parameters:

- `chat_id` (string, required)
- `message` (string, required)

### `notifyrelay_webhook` (~58 tokens)

[$0.001 USDC] POST a JSON payload to a public URL with optional HMAC signing. Allowlisted domains only.

Input parameters:

- `payload` (object, required)
- `secret` (string)
- `target_url` (string, required)

### `promptguard` (~61 tokens)

[$0.002 USDC] Score untrusted input for prompt injection risk (0-100) with flagged dimensions. Run on any user-provided prompt before passing to a downstream LLM.

Input parameters:

- `prompt` (string, required)
- `sensitivity` (string)

### `schemagate` (~54 tokens)

[$0.001 USDC] Validate that an LLM output conforms to a JSON Schema. Returns valid:true/false with a correction hint on failure.

Input parameters:

- `response` (string, required)
- `schema` (object, required)

### `scrapepay` (~73 tokens)

[$0.01 USDC] Web extraction via Playwright. Charges only on successful scrape. robots.txt enforced. SSRF-safe.

Input parameters:

- `format` (string)
- `selector` (string)
- `timeout_ms` (number)
- `url` (string, required)
- `wait_for` (string)

### `structextract` (~50 tokens)

[$0.002 USDC] Extract structured JSON from raw HTML (tables, links, headings, meta, emails, phones, images).

Input parameters:

- `extract` (array)
- `html` (string, required)

### `web_synthesise` (~50 tokens)

[$0.05 USDC] Multi-source web research synthesis. Pass a query, get a synthesised answer with citations.

Input parameters:

- `depth` (string)
- `query` (string, required)

### `screenshot` (~51 tokens)

[$0.02 USDC] Headless Chromium PNG screenshot of any public URL. Returns base64 PNG.

Input parameters:

- `fullPage` (boolean)
- `url` (string, required)
- `width` (number)

### `pdf_render` (~50 tokens)

[$0.49 USDC] Render any URL or HTML to PDF via Playwright. Higher fidelity than docconvert_pdf for complex pages.

Input parameters:

- `html` (string)
- `url` (string)

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/mizukaizen-x402-tools-mcp/melis-ai-x402-tools-mcp#diagnostics

## Score history

- 2026-08-03: 64
- 2026-08-02: 61
- 2026-08-01: 18
- 2026-07-31: 18
- 2026-07-30: 42
- 2026-07-28: 42
- 2026-07-27: 24

## Links

- npm package: https://www.npmjs.com/package/@melis-ai/x402-tools-mcp
- Socket report: https://socket.dev/npm/package/@melis-ai/x402-tools-mcp
- Repository: https://github.com/mizukaizen/x402-tools-mcp
- Changelog RSS feed: https://verifymcp.io/servers/mizukaizen-x402-tools-mcp/melis-ai-x402-tools-mcp/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/mizukaizen-x402-tools-mcp/melis-ai-x402-tools-mcp/changelog.json
- HTML version of this page: https://verifymcp.io/servers/mizukaizen-x402-tools-mcp/melis-ai-x402-tools-mcp