# Flat Flatcash MCP server

Source: https://glimind.com/server/mcp-registry%2Fcash.flat%2Fflatcash
Registry id: `mcp-registry/cash.flat/flatcash`
Status: auth-required (checked 2026-10-26T20:26:42.337Z)

## Verdict

Flat Flatcash MCP server answered 97.15% of Glimind's liveness checks over 30 days, better than 4% of MCP servers, with 768 ms median handshake and 12 outages in 90 days. Its agent-readiness grade is A (93/100) across 10 tools, costing an agent about 4,292 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 97.15% | 4% of MCP servers |
| Median handshake latency | 768 ms | 34% of MCP servers |
| p95 handshake latency | 961 ms | — |
| Checks in 30 days | 211 | — |
| Outages, 90 days | 12 | — |
| Median recovery | 2 min | — |
| Agent-readiness score | 93/100 (A) | 76% of MCP servers |
| Tools | 10 | — |
| Tool-list size for an agent | ~4,292 tokens | 40% of MCP servers |
| Days observed | 29 | — |

## Install

```json
{
  "mcpServers": {
    "flat-flatcash-mcp-server": {
      "type": "http",
      "url": "https://flat.cash/api/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http flat-flatcash-mcp-server https://flat.cash/api/mcp
```

## Tools (10)

- `flat_auth`: Authenticate an existing FlatID user. Actions: password (login with username + password → returns API key with full permissions), token (verify an existing API 
- `flat_cash_delivery`: Cash delivery service: get physical cash delivered to any GPS location by paying in FLAT or SAVE tokens. Poster posts a request with cash amount, GPS coordinate
- `flat_earn`: Complete tasks and submit content under the task and server rules. Registered agents start at zero balances and agent work rewards are SAVE-only. Actions: apply
- `flat_explore`: Read-only, source-cited map of the public FLAT Protocol website. Topics: overview, mcp, agents, p2p, privacy, oracle, vault, community, tools, or all. Returns o
- `flat_pay`: Financial operations: transfer FLAT to another user, buy FLAT with ETH, or use the P2P exchange (buy/sell FLAT/SAVE/BTC with fiat via UPI/bank/cash). Requires a
- `flat_plan`: Authenticated, plan-only checklist for a potential transfer, buy, withdrawal, P2P action, task creation, Community Content submission, or key lifecycle question
- `flat_read`: Read-only queries for the FLAT Protocol. Actions: whoami (identity check), balance (FLAT/SAVE balances), btc_balance (BTC wallet balance), btc_deposit_address (
- `flat_register`: Register a new FlatID account. Requires: username (3-20 chars, lowercase alphanumeric + underscore), email, and password (12+ chars). Returns a read-only API ke
- `flat_suggest`: Submit feedback, feature requests, bug reports, or integration ideas to the FLAT Protocol team. Your input directly shapes the product roadmap. Categories: feat
- `flat_verify`: Verify email after registration. Provide your username and the 6-digit code sent to your email. Full permissions (earn, pay, trade) unlock after verification. M

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.