# io.github.yunaremaia/x402-crypto-mcp (npm · x402-crypto-mcp)

Crypto market data via x402: prices, sentiment, indicators, yields, gas, pools.

- Trust score: 83/100 (high trust)
- Change this week: +37
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-12

## Components

- npm · `x402-crypto-mcp`: 83/100 (this document), [markdown](https://verifymcp.io/servers/yunaremaia-x402-crypto-mcp/x402-crypto-mcp.md), [page](https://verifymcp.io/servers/yunaremaia-x402-crypto-mcp/x402-crypto-mcp)

## Channel facts

- Registry: `npm`
- Package: `x402-crypto-mcp`
- Version: `1.2.3`
- 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 2026-08-12.

- **Supply Chain Security**: 98/100
  - No malware found by supply-chain analysis.
  - No known CVEs affecting this package version or its production dependencies.
  - No install/post-install scripts declared.
  - 30 of 95 dependencies flagged as unhealthy.
- **Provenance & Transparency**: 97/100
  - Source repository is publicly reachable at the declared URL.
  - Cryptographically verified build provenance (signed, bound to yunaremaia/x402-crypto-mcp).
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 0 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 79/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 628 tokens (~69/item across 9 items; 9 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 20/100
  - Stability observed for 6 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 yunaremaia-x402-crypto-mcp -- npx -y x402-crypto-mcp
```

### Codex

```bash
codex mcp add yunaremaia-x402-crypto-mcp -- npx -y x402-crypto-mcp
```

### opencode

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

### OpenClaw

```bash
openclaw mcp add yunaremaia-x402-crypto-mcp --command npx --arg -y --arg x402-crypto-mcp
```

### Hermes

```yaml
mcp_servers:
  yunaremaia-x402-crypto-mcp:
    command: "npx"
    args: ["-y", "x402-crypto-mcp"]
```

### Other

```json
{
  "mcpServers": {
    "yunaremaia-x402-crypto-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402-crypto-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.

### 2026-08-12 (score 83, +1)

- [functional] Package version: 1.2.2 → 1.2.3

### 2026-08-11 (score 82, +1)

- [functional] Schema quality: good → excellent
- [functional] Package version: 1.2.1 → 1.2.2
- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-08-10 (score 81, +1)

No change was recorded against any check on this day. Stability & Change Management went from 10 to 13. That category is still filling its 30-day observation window: 3 days of observed history at the previous scan, 4 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-08-09 (score 80, 0)

- [functional] Package version: 1.1.3 → 1.2.1

### 2026-08-08 (score 80, +1)

No change was recorded against any check on this day. Stability & Change Management went from 3 to 7. That category is still filling its 30-day observation window: 1 days of observed history at the previous scan, 2 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-08-07 (score 79, +33)

- [security improvement] Known CVEs: partial → pass
- [functional improvement] Tool coverage: unverified → 100
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Stability: unverified → 0.03
- [functional] First check of Schema quality: fail
- [functional] First check of Schema quality: pass
- [functional] First check of Schema quality: good
- [functional] First check of Tool coverage: 100
- [functional] Dependency health: partial → 0.85
- [functional] Package version: 1.1.2 → 1.1.3

### 2026-08-06 (score 46, 0)

- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Tool coverage: unverified → 100
- [functional] First check of Tool coverage: 100
- [functional] First check of Schema quality: good
- [functional] First check of Schema quality: pass
- [functional] First check of Schema quality: fail
- [functional] Package version: 1.1.1 → 1.1.2

### 2026-08-05 (score 46)

First indexed and scored.

## MCP tools (9)

### `crypto_prices` (~66 tokens)

Get live USD prices for crypto tokens (BTC, ETH, SOL, USDC, etc.). Returns current price in USD. Free data from CoinGecko with 60s cache.

Input parameters:

- `symbols` (array, required): Token symbols, e.g. ['BTC', 'ETH', 'SOL']

### `market_sentiment` (~37 tokens)

Get crypto market sentiment: Fear & Greed index (0-100) + global market metrics (total cap, BTC/ETH dominance).

### `funding_rate` (~49 tokens)

Get perp funding rate for a crypto symbol from Binance USDT futures. Positive = longs pay shorts (bullish bias).

Input parameters:

- `symbol` (string, required): Base symbol: BTC, ETH, SOL, etc.

### `technical_indicators` (~76 tokens)

Get technical analysis indicators: RSI(7/14), MACD, EMA(20/50), SMA(20/50), volatility, ATR + trend/momentum signals. From Binance klines.

Input parameters:

- `interval` (string): Kline interval
- `symbol` (string, required): Base symbol: BTC, ETH, SOL, etc.

### `market_overview` (~33 tokens)

Quick market overview: BTC/ETH/SOL prices + Fear & Greed + BTC funding rate in one combined call.

### `defi_yields` (~155 tokens)

Get top DeFi yields across 40+ chains (DeFiLlama, 15,000+ pools). Filter by chain, project, symbol, min APY, min TVL, stablecoins.

Input parameters:

- `chain` (string): Chain: Ethereum, Arbitrum, Solana, Base...
- `limit` (number): Max results (1-50)
- `minApy` (number): Minimum APY percentage
- `minTvl` (number): Minimum TVL in USD
- `project` (string): Protocol: lido, aave, uniswap...
- `stablecoins` (boolean): Only stablecoin pools
- `symbol` (string): Token symbol: USDC, ETH, SOL...

### `gas_price` (~49 tokens)

Get current gas price on an EVM chain. Returns gwei and wei values.

Input parameters:

- `chain` (string, required): Chain: ethereum, base, arbitrum, optimism, polygon, bsc, avalanche

### `yield_pool_metrics` (~73 tokens)

Get APY/TVL metrics for Aave V3 and Uniswap V3 pools. Returns pool snapshots with APY, TVL, and 24h deltas.

Input parameters:

- `pool_ids` (array): Optional pool IDs to filter
- `protocols` (array): Protocols to query (default: both)

### `fresh_markets` (~90 tokens)

List new AMM pairs/pools created in the last N minutes (Uniswap V2, PancakeSwap, SushiSwap factories). For discovery bots and yield scouts.

Input parameters:

- `chain` (string): Chain to scan (default: all)
- `limit` (integer): Max pairs to return (default: 20)
- `window_minutes` (integer): Time window in minutes (default: 5)

## Diagnostics

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

## Score history

- 2026-08-12: 83
- 2026-08-11: 82
- 2026-08-10: 81
- 2026-08-09: 80
- 2026-08-08: 80
- 2026-08-07: 79
- 2026-08-06: 46
- 2026-08-05: 46

## Links

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