x402 ad recommendations, intent analytics, and machine-commerce demand reports.
Config is the same across clients — only the file and path differ.
{
"mcpServers": {
"io-github-forgemeshlabs-x402-ads-mcp": {
"command": "<see-readme>",
"args": []
}
}
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x402 ad recommendations, intent analytics, and machine-commerce demand reports.
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Install one middleware. Monetize unused 402 responses with recommendations, discovery, and machine commerce analytics.
This is the MCP side of that network: what autonomous agents probe, want, and abandon across the x402 ecosystem — as tools for your agent.
Wraps the ForgeMesh x402 Ads & Intent Network. Paid tools settle per call in USDC on Base mainnet over the x402 protocol — no account, no API key; your wallet is the login. Publishers get reports on their own services free.
{
"mcpServers": {
"intent": {
"command": "npx",
"args": ["-y", "@forgemeshlabs/x402-ads-mcp"],
"env": {
"WALLET_PRIVATE_KEY": "0x... (optional — enables paid analytics)",
"X402_ADS_PUBLISHER_KEY": "pub_... (optional — free reports on your own services)"
}
}
}
}
Both env vars are optional. With neither set, free tools work fully and paid tools return the x402 payment challenge (price, network, payTo) instead of settling — useful for inspection before spending anything.
This package doubles as the signup CLI for API operators (no MCP client needed):
# read the terms first: https://ads.forgemesh.io/terms
WALLET_PRIVATE_KEY=0xYOUR_WALLET npx -y @forgemeshlabs/x402-ads-mcp register \
--url https://api.your-service.com --accept-terms
One $0.10 USDC payment on Base; the paying wallet becomes your identity and your publisher key is printed once. Invalid requests are rejected before payment — you can't pay for a doomed registration.
| Tool | Price | What it returns |
|---|---|---|
get_network_counters | free | Live network totals: 402s observed, agent-class requests, recommendations served |
preview_recommendations | free | The exact recommendations block the middleware injects into a 402 |
get_terms | free | Canonical terms + complete data-collection disclosure |
get_network_stats | $0.005 | Network totals + monitor/indexer/agent classification split |
get_intent_trends | $0.01 | Top endpoints & categories autonomous agents request |
get_category_demand | $0.02 | Demand depth for one category: volume, buyer share, price points |
get_intent_report | $0.05 / free* | Why-agents-didn't-buy funnel for one service |
* get_intent_report is free with X402_ADS_PUBLISHER_KEY for services you contribute events to — the data co-op rule: your own data is free, forever.
| Variable | Required | Purpose |
|---|---|---|
WALLET_PRIVATE_KEY | no | Base mainnet wallet holding USDC; enables automatic settlement of paid tools |
X402_ADS_PUBLISHER_KEY | no | Publisher key from ads.forgemesh.io; free lane for your own reports |
X402_ADS_BASE_URL | no | Override the network base URL (default https://ads.forgemesh.io) |
BASE_RPC_URL | no | Override the Base RPC (default https://mainnet.base.org) |
Use a dedicated hot wallet holding only small working balances. The key never leaves your machine — payments are signed locally (EIP-3009) and settle on-chain.
Ready-made configs live in examples/: a Claude Desktop mcpServers block and a commented env-var template.
npm test # smoke: MCP boots over stdio and lists its 7 tools
npm run test:free # free tools against the live network
npm run test:challenge # every paid tool returns an x402 challenge — no wallet, nothing can spend
npm run test:all # all of the above
No test settles a payment. The challenge test deletes the payment env vars before loading, so it cannot move funds even if your shell has a wallet configured.
We measure machine commerce, not API content — publishers running the @forgemeshlabs/x402-ads middleware contribute anonymize