# Microgram: stem-stem-finance-discount

`station__algovigilance__microgram-stem-stem-finance-discount` · native (always callable) · domain `algovigilance` · pv-relevance `pv-core`

Compute present value from a future value using the time value of money.

## Agent metadata

- `idempotent`: true
- `read_only`: true
- `expected_latency_ms`: unknown (not yet contract-tested)
- `cost_tokens_estimate`: unknown

## Input schema

- `future_value` *number* (required) — Future value amount
- `periods` *number* (required) — Number of periods
- `rate` *number* (required) — Discount rate (decimal, e.g., 0.05 = 5%)

## Example call

```json
POST /api/mcp
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__algovigilance__microgram-stem-stem-finance-discount",
    "arguments": {
      "future_value": 0,
      "periods": 0,
      "rate": 0
    }
  }
}
```

## Related

- [/tools](/tools) — all 7718 tools
- [/tools/algovigilance__microgram-stem-stem-finance-discount](/tools/algovigilance__microgram-stem-stem-finance-discount) — HTML page
- [/tools/algovigilance__microgram-stem-stem-finance-discount/json](/tools/algovigilance__microgram-stem-stem-finance-discount/json) — JSON form (agent-friendly)
- [/api/mcp](/api/mcp) — endpoint
- [/AGENTS.md](/AGENTS.md) — agent guide