MCP server

Touchstone

io.github.petrkrulis2022/touchstone-mcp

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Dated SIU, the benchmark price of AI inference work: one free tool, three paid via x402.

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

4

Token cost

About 385 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http touchstone-mcp https://mcp.touchstoneassay.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.touchstone-mcp]
url = "https://mcp.touchstoneassay.com/mcp"

Gemini CLI

{"mcpServers":{"touchstone-mcp":{"httpUrl":"https://mcp.touchstoneassay.com/mcp"}}}

Cursor

{"mcpServers":{"touchstone-mcp":{"url":"https://mcp.touchstoneassay.com/mcp"}}}

VS Code

{"servers":{"touchstone-mcp":{"type":"http","url":"https://mcp.touchstoneassay.com/mcp"}}}

Antigravity

agy mcp add touchstone-mcp https://mcp.touchstoneassay.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"touchstone-mcp","server_url":"https://mcp.touchstoneassay.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"touchstone-mcp","server_url":"https://mcp.touchstoneassay.com/mcp"}

Tools

• convert ~118 tokens
  Convert a model call's token counts into SIU and USD.
• get_index ~72 tokens
  The signed Dated SIU print. Free — citation is the business.
• get_quote ~85 tokens
  SIU price, exchange rate and index refs for one task class and model.
• verify_receipt ~110 tokens
  Reads an on-chain settlement and returns a signed attestation.

Browse

• GitHub tools
• GitHub and code hosting
• Crypto and blockchains

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