Tools that refuse rather than guess: settlement day counts, Unix timestamps, base64, line diffs.
Connect Remote server
claude mcp add --transport http foundry https://foundry.dap.solutions/mcp
{
"mcpServers": {
"foundry": {
"url": "https://foundry.dap.solutions/mcp"
}
}
}
{
"servers": {
"foundry": {
"type": "http",
"url": "https://foundry.dap.solutions/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://foundry.dap.solutions/mcp
Tools 4 found in our last check
compute-day-count-to-settlementUse when you need a Canadian settlement date or accrual fraction. Rolls a trade date forward on the Payments Canada calendar and counts the accrual under ACT/360, ACT/365F, 30/360, 30E/360 or ACT/ACT-ISDA. $0.01 USDC on Base per answer via x402; a refusal is free.
convert-unix-timestamp-to-dateUse when you need Unix timestamps as dates. Converts one or more timestamps, seconds or milliseconds, one per line, to UTC dates in ISO 8601 as a CSV. $0.01 USDC on Base per answer via x402; a refusal is free.
decode-base64-to-textUse when you need to read base64 as text. Decodes standard base64 to UTF-8 text and refuses anything that is not valid base64 or not valid UTF-8, rather than guess. $0.01 USDC on Base per answer via x402; a refusal is free.
diff-two-line-listsUse when you need to compare two lists of lines. Marks each distinct line only_a, only_b or both, matched exactly as sent, as a CSV. $0.01 USDC on Base per answer via x402; a refusal is free.
Details
| Endpoint | https://foundry.dap.solutions/mcp (Streamable HTTP) |
| First published | 31 Oct 2026 |
| Last updated | 31 Oct 2026 |
| Registry name | solutions.dap/foundry |
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