Dated SIU, the benchmark price of AI inference work: one free tool, three paid via x402.
Connect Remote server
claude mcp add --transport http touchstone-mcp https://mcp.touchstoneassay.com/mcp
{
"mcpServers": {
"touchstone-mcp": {
"url": "https://mcp.touchstoneassay.com/mcp"
}
}
}
{
"servers": {
"touchstone-mcp": {
"type": "http",
"url": "https://mcp.touchstoneassay.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://mcp.touchstoneassay.com/mcp
Tools 4 found in our last check
get_indexThe signed Dated SIU print. Free — citation is the business.
get_quoteSIU price, exchange rate and index refs for one task class and model.
convertConvert a model call's token counts into SIU and USD.
verify_receiptReads an on-chain settlement and returns a signed attestation.
Details
| Endpoint | https://mcp.touchstoneassay.com/mcp (Streamable HTTP) |
| First published | 31 Aug 2026 |
| Last updated | 31 Aug 2026 |
| Registry name | io.github.petrkrulis2022/touchstone-mcp |
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