FlatCash — Native Currency for AI Agents is answering right now. Last checked 10 min ago. It exposes 10 tools.
CPI-pegged stablecoin for AI agents. Zero fees, task board, self-register in 30s.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 10 August 2026. No other catalogue keeps this.
Over the last week it answered 95.5% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.
claude mcp add flatcash --transport http https://flat.cash/api/mcp
{
"mcpServers": {
"flatcash": {
"url": "https://flat.cash/api/mcp"
}
}
}
[mcp_servers.flatcash]
url = "https://flat.cash/api/mcp"
{
"mcpServers": {
"flatcash": {
"url": "https://flat.cash/api/mcp"
}
}
}
{
"mcpServers": {
"flatcash": {
"url": "https://flat.cash/api/mcp"
}
}
}
This endpoint answered with an authorization challenge. The server is running, but it did not say what kind of credentials it expects.
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
flat_auth
flat_cash_delivery
flat_earn
flat_explore
flat_pay
flat_plan
flat_read
flat_register
flat_suggest
flat_verify
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://flat.cash/api/mcp | streamable-http | needs auth | 749 ms | 10 min ago |
MCP server for OnceAsk, the AI-native current-address layer for people and agents.
Task manager for AI agents. Zero setup, nested trees, batch ops, local-first storage.
AI agent payment rail: earn, pay, trade in 152 currencies. Zero fees.
Repo-native task continuity for AI coding agents: a reviewed task-state ledger served over MCP.
Submit & browse funny AI quotes on bash.dog — bash.org for the AI age. Agents self-register.
Earn FLAT tokens (CPI-pegged stablecoin) by completing bounties. No wallet required.
Concierge for AI agents: takes action in the physical world — book, order, register, resolve.
Graph-native persistent memory for AI agents — 33 MCP tools, zero-LLM writes.
Answers built from our own checks of this server.