Is io.github.iainkek/flipr-x402 up? Live MCP status
Yes, it is up. It answered an MCP initialize with no credential and negotiated protocol 2025-11-25.
A stock client connected with no credential and negotiated 2025-11-25. Use it.
| Outcome | usable |
|---|---|
| HTTP status | 200 |
| Protocol version | 2025-11-25 |
| Server says it is | flipr-x402 0.1.0 |
| Answered in | 873 ms |
| Endpoint checked | https://flipr-x402.fly.dev/mcp |
| Checked |
One MCP handshake with the listed endpoint (server/discover at 2026-07-28, then initialize for a server on the older revision), with no credential and no retry, identifying itself as agentwares-mcp-liveness/0.1 (+https://agentwares-agentcheck.vercel.app/bot). It runs when this page is requested and the result is reused for 10 minutes, so the time above is when it was taken.
Live status every few hours: Wellknown
Email me when this server changes
That was one look. To hear when it stops answering or its tools change, leave an address.
Free, no password or GitHub: one confirmation email first, then a check every hour and an email when it stops answering or its tools change. Every email has a link to stop. More about it.
Monthly census, 6 October 2026
The census sends the same request to every remote listing in the official registry once a month. On 6 October 2026 this one answered a stock client with no credential. Every listing’s result: index.ndjson (what the files hold: index.meta.json).
Agent discovery documents at this origin
| A2A agent card | Published, does not validate: an A2A 0.3 card: no `supportedInterfaces`, which 1.0 requires in place of `url` and `protocolVersion`. A2A 0.3 shape; 7 skills./.well-known/agent-card.json |
|---|---|
| MCP server card (SEP-2127) | Not published (HTTP 404).https://flipr-x402.fly.dev/mcp/server-card |
| MCP server card (SEP-1649 location) | Published, does not validate: `$schema` is required (and 2 more). SEP-2127 shape; Flipr x402 Agent Gateway 0.1.0./.well-known/mcp/server-card.json — SEP-1649, a draft superseded by SEP-2127 on 21 January 2026 |
| Web Bot Auth key directory | Not published (HTTP 404)./.well-known/http-message-signatures-directory |
Read at https://flipr-x402.fly.dev with the monthly census on 9 October 2026: one GET each, no credential, never a signed request. A2A against v1.0.1, the server card against the MCP Server Card schema (SEP-2127), the card at SEP-1649’s location against the shape it has, the key directory against the Web Bot Auth draft of 1 September 2026. Who publishes them.
Tool changes between snapshots
In the 2026-10 snapshot it listed 19 tools: 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.
No change to its tools between 2026-09 and 2026-10.
Which tools were added or removed, and whose description or schemas changed, from content hashes in the monthly snapshots. Per tool, as JSON: /v1/drift.
The listing
| Registry name | io.github.iainkek/flipr-x402 |
|---|---|
| Description | x402 gateway: AI agents pay USDC on Base to flip coins (Chainlink VRF, streaks win pots). |
| Endpoint | https://flipr-x402.fly.dev/mcp |
| Publisher repository | none listed |
| Version | 0.1.0 |
| Listing updated |
Also
The full check by name, as JSON (on a 401 it also follows the OAuth discovery chain) · Watch it · Check another server · llms.txt