Navi X402 MCP

Paid agent tools, zero API keys: crypto, weather, translation, web intel, x402 discovery (USDC/Base)

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Not yet automatically verified

We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag — we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "navi-x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "navi-x402-mcp"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

navi-x402-mcp

MCP server that gives your AI agent paid superpowers with zero API keys: live crypto prices, weather + air quality, translation, AI market reports, web page intelligence, Google Sheets reading, URL previews — and navi_x402_scout, which finds the best x402 service in the ecosystem for any task.

Every call is paid per-request in USDC on Base via the x402 protocol (prices: $0.001–$0.02). No accounts, no API keys, no subscriptions: your agent's wallet pays only for what it uses.

Setup

Fund a wallet with a few USDC on Base mainnet (a dollar goes a long way).
Add to your MCP client config (Claude Desktop, Cursor, etc.):

config.json

{
  "mcpServers": {
    "navi-x402": {
      "command": "npx",
      "args": ["-y", "navi-x402-mcp"],
      "env": {
        "X402_PRIVATE_KEY": "0x<private key of the paying wallet>",
        "MAX_PRICE_USDC": "0.05"
      }
    }
  }
}

Tools

Tools are generated dynamically from the live Navi catalog — new endpoints appear automatically. Current highlights:

Tool	What it does	Price
`navi_x402_scout`	Top-3 x402 services for a task, ranked by real 30-day usage	$0.005
`navi_crypto_prices`	Live prices, 7d/30d change, ATH context (CoinGecko)	$0.001
`navi_market_report`	Structured AI crypto market analysis	$0.02
`navi_weather`	Forecast + air quality for any location	$0.001
`navi_translate`	Translation with BCP-47 normalization + formality	$0.005
`navi_web_intelligence`	AI page analysis: summary, entities, sentiment	$0.005
`navi_page_context`	Page structure, link taxonomy, repo metadata	$0.005
`navi_google_sheets`	Read any shared Google Sheet as typed JSON	$0.003
`navi_url_preview`	OpenGraph/Twitter card metadata	$0.001
`navi_timestamp`	Timezone-aware time with DST/week signals	$0.001

Safety

MAX_PRICE_USDC (default 0.05) hard-caps the per-call price the server will ever authorize.
The private key never leaves your machine: it signs EIP-3009 transfer authorizations locally; settlement happens on-chain via the Coinbase facilitator.
Without X402_PRIVATE_KEY, tools are listed and explain how to enable payments instead of failing silently.

Env reference

Var	Default	Purpose
`X402_PRIVATE_KEY`	—	Paying wallet (USDC on Base mainnet)
`MAX_PRICE_USDC`	`0.05`	Per-call price ceiling
`NAVI_CATALOG_URL`	Navi public catalog	Alternative catalog source

MIT — built by Navi.

Read the full README →View source on GitHub →

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Frequently Asked Questions about Navi X402 MCP

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "navi-x402-mcp": { "command": "npx", "args": ["-y", "navi-x402-mcp"] } }

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Technical Specs & Signals

CategoryFinance & Fintech

36Quality signal: Fair · 36/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools16/30

Adoption & activity1/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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