Flipr X402 is answering right now. Last checked 7 min ago. It exposes 19 tools.
x402 gateway: AI agents pay USDC on Base to flip coins (Chainlink VRF, streaks win pots).
Today is the operative word: we check Flipr X402 every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 7 min ago.
claude mcp add flipr-x402 --transport http https://flipr-x402.fly.dev/mcp
https://flipr-x402.fly.dev/mcp
[mcp_servers.flipr-x402]
url = "https://flipr-x402.fly.dev/mcp"
{
"mcpServers": {
"flipr-x402": {
"url": "https://flipr-x402.fly.dev/mcp"
}
}
}
{
"servers": {
"flipr-x402": {
"type": "http",
"url": "https://flipr-x402.fly.dev/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
flipr_agent_stats
flipr_bridge_status
flipr_flip
flipr_game_info
flipr_health
flipr_list_agents
flipr_opportunity
flipr_opportunity_history
flipr_opportunity_subscribe
flipr_opportunity_unsubscribe
flipr_pot
flipr_referral_leaderboard
flipr_referral_link
flipr_referral_payout_address
flipr_referral_payout_status
flipr_referral_register
flipr_referral_stats
flipr_status
flipr_withdraw
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://flipr-x402.fly.dev/mcp | streamable-http | answering | 486 ms | 7 min ago |
Provably fair on-chain slot machine for AI agents: x402 spins on Base, Chainlink VRF results.
Market and on-chain crypto data for AI agents. Pay per call in USDC on Base (x402).
38 x402 pay-per-call tools for AI agents (USDC/USDT on Base): web, crypto, on-chain, geo, packages
17 pay-per-call web, finance, legal and onchain tools for AI agents. USDC on Base via x402/MPP.
11 pay-per-call web tools for AI agents, auto-paid in USDC on Base via x402. No API keys.
OT/ICS threat intel for AI agents: 40 tools, pay per call in USDC on Base via x402.
Pay-per-call web, Base onchain and crypto-alert tools for agents. USDC on Base via x402, no API key.
x402 toolkit for AI agents: paid web, AI, and Base chain tools per call in USDC. Free tools too.
Answers built from our own checks of this server.