x402 Agent Tools

Name: x402 Agent Tools
Author: signal-forge-ai

by signal-forge-aiversion 1.1.0i★ 4iRuns in the cloud

Registry nameio.github.signal-forge-ai/x402-agent-tools

How to install

What it does

Pay-per-call web, Base onchain and crypto-alert tools for agents. USDC on Base via x402, no API key.

Connects Runs in the cloud
Account or key No key needed
Category Crypto & blockchain

Install

Pick the AI app you use, then copy the settings.

Passed 5/5 checks · What you ask goes through the maker’s server (x402-agent-tools.x402agenttools.workers.dev) · ✓ Commands checked Nov 13, 2026

First: which AI do you use?

ClaudeWeb · app · phoneChatGPTWebClaude CodeTerminalCursorCode editorVS CodeCode editorOtherOther apps

Pick your app and the steps appear below.

Works with Claude · about 2 min

No key, nothing to install · Set it up once on claude.ai or the desktop app, then use it in chat · free accounts can add 1 · on Team/Enterprise an Owner adds it

Open Claude’s Connectors page
CustomizeConnectors
Done
Click “Add” → “Custom” → “Web” and fill in these 2 fields
Copy each value into the field with the same name in Claude, then click Continue
Name · Namex402 Agent Tools
Remote MCP server URL · Addresshttps://x402-agent-tools.x402agenttools.workers.dev/mcp
Click Continue past the sign-in settings Claude detected · under Authentication choose what the maker says (Sign in now, Sign in when needed or No sign in), then click Add
Done
Turn it on in a chat
+Connectorsx402 Agent Tools
Done
Try it
Use x402 Agent Tools and tell me what you can do for me, then show me one thing
✓ If Claude says it is using x402 Agent Tools or shows a x402 Agent Tools tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with ChatGPT, depending on your plan

Full MCP: ChatGPT Business, Enterprise or Edu on the web · Pro: connects with read/fetch permissions, so tools that change data may not work · Plus: not confirmed in OpenAI’s docs; if you see an add-custom-MCP option on the Plugins page you can try these steps · web only

Open ChatGPT’s add-MCP page on the web
Plugins+Add custom MCP server
Done
Fill in the name and address
Enter a name, paste the address under Connection, tick the risk warning and click Create as a plugin
Name · Namex402 Agent Tools
Connection · Addresshttps://x402-agent-tools.x402agenttools.workers.dev/mcp
Done
Pick x402 Agent Tools in a chat
Start a new chat and pick x402 Agent Tools from your plugins before typing
Done
Try it
Use x402 Agent Tools and tell me what you can do for me, then show me one thing
✓ If ChatGPT says it is using x402 Agent Tools or shows a x402 Agent Tools tool in the answer, you are connected

Menu names checked against OpenAI’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Claude Code · about 2 min

No key, nothing to install

Open Terminal
Mac: press Command+Space and type Terminal · Windows: open PowerShell
Done

Paste this command and press Enter

claude mcp add --transport http --scope user x402-agent-tools https://x402-agent-tools.x402agenttools.workers.dev/mcp

Done

Type /mcp in Claude Code
You should see x402 Agent Tools listed as connected
Done
Try it
Use x402 Agent Tools and tell me what you can do for me, then show me one thing
✓ If Claude Code says it is using x402 Agent Tools or shows a x402 Agent Tools tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Cursor · about 2 min

No key, nothing to install

Click this button to open Cursor
Open in Cursor
Cursor asks you to confirm; click Install
Done
Open the AI chat in Cursor in Agent mode
Done
Try it
Use x402 Agent Tools and tell me what you can do for me, then show me one thing
✓ If Cursor says it is using x402 Agent Tools or shows a x402 Agent Tools tool in the answer, you are connected

Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with VS Code · about 2 min

No key, nothing to install

Click this button to open VS Code
Open in VS Code
VS Code asks you to confirm; click Install
Done
Open the AI chat in VS Code in Agent mode
Done
Try it
Use x402 Agent Tools and tell me what you can do for me, then show me one thing
✓ If VS Code says it is using x402 Agent Tools or shows a x402 Agent Tools tool in the answer, you are connected

Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Other apps that use MCP, such as Windsurf, Zed or Gemini CLI, each add servers differently. See how in the app list.

See every app that uses MCP →

Address for apps that connect over the web

Addresshttps://x402-agent-tools.x402agenttools.workers.dev/mcp

JSON settings are under “For developers” below

Stuck? Ask people who use x402 Agent Tools💬 Discussion →

For developers: Terminal commands and JSON settings

Over the web

Claude Code

claude mcp add --transport http --scope user x402-agent-tools https://x402-agent-tools.x402agenttools.workers.dev/mcp

Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "x402-agent-tools": {
      "url": "https://x402-agent-tools.x402agenttools.workers.dev/mcp"
    }
  }
}

VS Code (mcp.json)

{
  "servers": {
    "x402-agent-tools": {
      "type": "http",
      "url": "https://x402-agent-tools.x402agenttools.workers.dev/mcp"
    }
  }
}

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

At a glance

GitHub stars i: 4
Downloads per weeki: Not on npm/PyPI
Licence i: MIT
Connection: Runs in the cloud
Transport: streamable-http
Latest versioni: 1.1.0
Categoryi: Crypto & blockchain
Published to registryi: Nov 2, 2026
Code last changedi: Nov 2, 2026
Maker: signal-forge-ai
Repo: signal-forge-ai/x402-agent-tools
Website: x402-agent-tools.x402agenttools.workers.dev
Registry status: Active

Which apps can use it

Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.

Connect over the internet in

Claude ChatGPT Goose LM Studio Msty Studio Cherry Studio Cursor VS Code + GitHub Copilot Visual Studio Windsurf (Devin Desktop)Zed Kiro Cline Continue JetBrains AI Assistant Claude Code Codex CLI Gemini CLI OpenCode nodecode Warp LibreChat Open WebUI Raycast

All apps, with pros and cons →

What it can do

Tool names and descriptions exactly as the server reported them on Nov 13, 2026. The maker wrote them, not us; we show them as plain text.

web_markdown
Any public web page URL -> clean Markdown (Readability + Turndown). Returns {url,title,byline,length,markdown}. Price $0.01 USDC on Base via x402 (3 free calls/day per caller).
web_extract
Structured JSON extraction from a web page: title, meta/OpenGraph, JSON-LD, headings, links, tables, contact emails, plus Markdown body. Price $0.04 USDC on Base via x402.
web_crawl
Same-origin multi-page crawl (up to 10 pages, breadth-first) returning Markdown for each page. Price $0.16 USDC on Base via x402.
base_token_risk
Base mainnet token/contract risk check via public RPC: ERC-20 metadata, owner, EIP-1967 proxy, risky bytecode selectors (mint/blacklist/pause/fee setters), heuristic risk score. Price $0.04 USDC on Base via x402.
base_token_price
Current USD price of a Base token by contract address (GeckoTerminal, fallback DefiLlama), with 24h change, volume, liquidity/FDV where available. Price $0.005 USDC on Base via x402 (3 free calls/day per caller).
base_wallet_profile
Base wallet profile via public RPC: ETH and USDC balances, nonce (tx count), contract-or-EOA, recent USDC transfers (last ~10k blocks). Price $0.02 USDC on Base via x402.
fx_rates
Fiat exchange rates (ECB reference rates via frankfurter.app), latest or historical. Price $0.002 USDC on Base via x402 (3 free calls/day per caller).
alerts_latest
One-shot: latest factual market alerts (symbol, time, signal type, price, % move, timeframe, source). Informational data only, not investment advice. Price $0.01 USDC on Base via x402.
alerts_sample
FREE: 3 factual crypto/market alerts delayed 60+ minutes. Informational data only, not investment advice. Alerts are automated factual observations (price/volume moves); no buy/sell recommendation is made or implied.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 14, 2026

✓ Pass
Maker matches the repo
The registry name was verified with the GitHub account signal-forge-ai, which owns the repo
✓ Pass
Still maintained
Code last changed 12 days ago
✓ Pass
Has a licence
Uses MIT
✓ Pass
Endpoint responds
Responded in 152 ms (HTTP 200)
– Not applicable
Sign-in with OAuth
No sign-in needed
✓ Pass
No hidden instructions in tool descriptions
Read 9 tool descriptions and found no hidden instructions to the AI

Discussion

Ask, share a tip or report that it does not work. Sorted by what people marked helpful.

No posts yet. Be the first to ask or share.

Posts here are written by users, not the PopNx team.

User reviews

No reviews yet

Compared with others in Crypto & blockchaini

More stars than 95% of the other 1687 servers in this category
Published to the registry more recently than 81% of the other 1687 servers in this category
Basic checks equal to or better than 100% of the other 1687 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is x402 Agent Tools safe?

It passed 5 of 5 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed 12 days ago, and the latest version (1.1.0) reached the registry 12 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT on the web (full MCP on Business and above; Pro read-only).

What can I use instead?

In the same category: Solana MCP by Vybe, Oracle3 prediction-market arbitrage checks, Polymarket Paper Trader

Others in the same category

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Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

x402 Agent Tools

Pay-per-call tools for AI agents. Pay with USDC on Base using the x402 protocol (HTTP 402). No API key, no signup, no account.

Live: https://x402-agent-tools.x402agenttools.workers.dev
For LLMs: https://x402-agent-tools.x402agenttools.workers.dev/llms.txt
Discovery: /.well-known/x402 · /openapi.json · /health
MCP (remote, Streamable HTTP): https://x402-agent-tools.x402agenttools.workers.dev/mcp

Tools and prices

Endpoint	Price (USDC)	What it does
`GET /v1/markdown?url=`	$0.01	Web page to clean Markdown
`GET /v1/extract?url=`	$0.04	Structured JSON: meta/OpenGraph, JSON-LD, headings, links, tables, emails
`GET /v1/crawl?url=&max_pages=`	$0.16	Same-origin crawl, up to 10 pages, Markdown each
`GET /v1/token-risk?address=`	$0.04	Base token/contract heuristic risk check (proxy, owner, risky selectors)
`GET /v1/token-price?address=`	$0.005	Base token USD price (GeckoTerminal, DefiLlama fallback)
`GET /v1/wallet-profile?address=`	$0.02	Base wallet ETH/USDC balances, nonce, recent USDC transfers
`GET /v1/fx?from=&to=&amount=&date=`	$0.002	Fiat FX rates (ECB reference)
`GET /v1/alerts/latest?limit=`	$0.01	Latest factual crypto/market alerts
`GET\	POST /v1/alerts/pass`	$1	7-day Bearer token for `GET /v1/alerts?since=`
`GET /v1/alerts/sample`	free	3 alerts delayed 60+ min

Crypto alerts are visible about 1 to 2 minutes after they fire. Stock news alerts are delayed 15 to 20 minutes. Alerts are factual observations (price/volume moves) only: no scores, no buy/sell calls, not investment advice.

Free trial

The first 3 calls per day per caller (hashed IP) to /v1/markdown, /v1/token-price and /v1/fx are free; just call without a payment header. A global daily cap applies. The X-Free-Trial-Remaining response header shows what is left. Crawl and alert passes are never free.

How agents pay (x402)

Call an endpoint. You get 402 Payment Required with a PAYMENT-REQUIRED header (x402 v2) and a JSON body listing accepts (scheme exact, network eip155:8453, asset USDC, payTo, amount).
Sign the USDC authorization with your wallet and retry with the PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header.
The facilitator verifies and settles; you get the result plus a PAYMENT-RESPONSE header.

// any x402 client works, e.g. @x402/fetch:

import { wrapFetchWithPayment } from "@x402/fetch"; const fetchWithPay = wrapFetchWithPayment(fetch, yourX402Client); const res = await fetchWithPay("https://x402-agent-tools.x402agenttools.workers.dev/v1/markdown?url=https://example.com");

MCP

Remote MCP server, stateless Streamable HTTP (JSON responses), no install needed:

{ "mcpServers": { "x402-agent-tools": { "type": "http", "url": "https://x402-agent-tools.x402agenttools.workers.dev/mcp" } } }

Tools: web_markdown, web_extract, web_crawl, base_token_risk, base_token_price, base_wallet_profile, fx_rates, alerts_latest, alerts_sample (free).

Paid tools called without payment return isError: true with the x402 requirements in structuredContent["x402/payment-required"]. Retry the same tools/call with the base64 x402 payment payload in the PAYMENT-SIGNATURE HTTP header, or in params._meta["x402/payment"]. Settlement info comes back in result._meta["x402/payment-response"].

No npm needed: any MCP client with HTTP transport works, or plain curl:

curl -s https://x402-agent-tools.x402agenttools.workers.dev/mcp -H 'content-type: application/json' \

-d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'

Self-host

Cloudflare Worker (Hono + @x402/hono).

npm install

edit wrangler.toml: account_id, KV namespace id, PAY_TO (your own receive address)

npx wrangler secret put ALERTS_HMAC # random secret for alert tokens npx wrangler deploy

No secrets live in this repo; everything sensitive is a Wrangler secret or env var.

License

MIT. Operated by an autonomous AI agent team. Informational data only, not investment advice.

x402 Agent Tools

What it does

Install

Open Claude’s Connectors page

Click “Add” → “Custom” → “Web” and fill in these 2 fields

Turn it on in a chat

Try it

Open ChatGPT’s add-MCP page on the web

Fill in the name and address

Pick x402 Agent Tools in a chat

Try it

Open Terminal

Paste this command and press Enter

Type /mcp in Claude Code

Try it

Click this button to open Cursor

Open the AI chat in Cursor in Agent mode

Try it

Click this button to open VS Code

Open the AI chat in VS Code in Agent mode

Try it

Over the web

At a glance

Which apps can use it

Related guides

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Discussion

User reviews

Compared with others in Crypto & blockchaini

Common questions

Others in the same category

Solana MCP by Vybe

Oracle3 prediction-market arbitrage checks

Polymarket Paper Trader

README from the maker

x402 Agent Tools

Tools and prices

Free trial

How agents pay (x402)

MCP

Self-host

edit wrangler.toml: account_id, KV namespace id, PAY_TO (your own receive address)

License