Touchstone MCP is answering right now. Last checked moments ago. It exposes 4 tools. Last commit 16 Oct 2026.
Dated SIU, the benchmark price of AI inference work: one free tool, three paid via x402.
What the code does
We read the source, 18 h ago · tools taken from the live server · rules ccca72095570
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
"thoughtSignature": "EswQCskQARFNMg/07Py+AUJ/RsvcVUYffhhH7niWoNTrH1GRztJ9LbCZMo6sePQwAwp3VIx212gJi5KTIUvx/GcGYRHI3ytls6k7zSz8lQEnXYpSKIQPPdOpzN32iup0Y6A/VwxQq1YmwB9fFajQRvF/SE6kp9CcwWwg662QeZyuMExeeKjj5isj5EYJoucce1B4mFd0QPxX6JiC8tHx1fVkm7GqH0VUqo2JgWD6z4kKV7KBxdXAW4z…
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
This code can reach further than it looks
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 min ago.
claude mcp add touchstone-mcp --transport http https://mcp.touchstoneassay.com/mcp{
"mcpServers": {
"touchstone-mcp": {
"url": "https://mcp.touchstoneassay.com/mcp"
}
}
}[mcp_servers.touchstone-mcp]
url = "https://mcp.touchstoneassay.com/mcp"{
"mcpServers": {
"touchstone-mcp": {
"url": "https://mcp.touchstoneassay.com/mcp"
}
}
}{
"mcpServers": {
"touchstone-mcp": {
"url": "https://mcp.touchstoneassay.com/mcp"
}
}
}Available tools 4
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
convert
get_index
get_quote
verify_receipt
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://mcp.touchstoneassay.com/mcp | streamable-http | answering | 1789 ms | 0 min ago |
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Touchstone MCP — questions
Answers built from our own checks of this server.