SERVER

Touchstone

Rank #42,301

cv.touchstone/touchstone

Bitcoin-anchored, tamper-evident audit log for AI agents — record, disclose and verify actions.

2 versions

by touchstone-cv (1 servers)View repository ↗Claim this server

First listed

Jun 25, 2026

Last publish date

Jul 10, 2026

OVERVIEW

Touchstone is a Model Context Protocol (MCP) server published by touchstone-cv. It ranks #42,301 of 137,138 servers tracked on MCP Toplist. Touchstone is listed across 3 registries — Official MCP, PulseMCP and Glama, with 2 tracked versions. It was first listed on Jun 25, 2026 and most recently updated on Jul 10, 2026.

STANDING

#42,301of 137,138 tracked serversTop 50%

Ranks ahead of 94,837 of 137,138 servers on MCP Toplist.

CONNECT

Use Touchstone

API keyNeeds credentials

Requires user-supplied configuration before first use — typically an API key, token or connection string set via environment variables.

Remote · HTTP

claude mcp add --transport http touchstone https://touchstone.cv/mcp

This endpoint requires authentication — see the server’s docs for credentials.

npm package

claude mcp add touchstone -e "TOUCHSTONE_RECORDER=<your TOUCHSTONE_RECORDER>" -e "TOUCHSTONE_SUBJECT=<your TOUCHSTONE_SUBJECT>" -e "TOUCHSTONE_API_KEY=<your TOUCHSTONE_API_KEY>" -e "TOUCHSTONE_SIGNING_KEY=<your TOUCHSTONE_SIGNING_KEY>" -e "TOUCHSTONE_KEY_FILE=<your TOUCHSTONE_KEY_FILE>" -e "TOUCHSTONE_BASE_URL=<your TOUCHSTONE_BASE_URL>" -- npx -y @touchstone-cv/mcp

Replace each placeholder with your own value before saving.

Remote · HTTP

[mcp_servers.touchstone]
url = "https://touchstone.cv/mcp"

Add to ~/.codex/config.toml. This endpoint requires authentication — see the server’s docs for credentials.

npm package

[mcp_servers.touchstone]
command = "npx"
args = ["-y", "@touchstone-cv/mcp"]

[mcp_servers.touchstone.env]
TOUCHSTONE_RECORDER = "<your TOUCHSTONE_RECORDER>"
TOUCHSTONE_SUBJECT = "<your TOUCHSTONE_SUBJECT>"
TOUCHSTONE_API_KEY = "<your TOUCHSTONE_API_KEY>"
TOUCHSTONE_SIGNING_KEY = "<your TOUCHSTONE_SIGNING_KEY>"
TOUCHSTONE_KEY_FILE = "<your TOUCHSTONE_KEY_FILE>"
TOUCHSTONE_BASE_URL = "<your TOUCHSTONE_BASE_URL>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

Remote · HTTP

https://touchstone.cv/mcp

Settings → Connectors → “Add custom connector”, then paste this URL. This endpoint requires authentication — see the server’s docs for credentials.

npm package

{
  "mcpServers": {
    "touchstone": {
      "command": "npx",
      "args": [
        "-y",
        "@touchstone-cv/mcp"
      ],
      "env": {
        "TOUCHSTONE_RECORDER": "<your TOUCHSTONE_RECORDER>",
        "TOUCHSTONE_SUBJECT": "<your TOUCHSTONE_SUBJECT>",
        "TOUCHSTONE_API_KEY": "<your TOUCHSTONE_API_KEY>",
        "TOUCHSTONE_SIGNING_KEY": "<your TOUCHSTONE_SIGNING_KEY>",
        "TOUCHSTONE_KEY_FILE": "<your TOUCHSTONE_KEY_FILE>",
        "TOUCHSTONE_BASE_URL": "<your TOUCHSTONE_BASE_URL>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "mcpServers": {
    "touchstone": {
      "url": "https://touchstone.cv/mcp"
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). This endpoint requires authentication — see the server’s docs for credentials.

npm package

{
  "mcpServers": {
    "touchstone": {
      "command": "npx",
      "args": [
        "-y",
        "@touchstone-cv/mcp"
      ],
      "env": {
        "TOUCHSTONE_RECORDER": "<your TOUCHSTONE_RECORDER>",
        "TOUCHSTONE_SUBJECT": "<your TOUCHSTONE_SUBJECT>",
        "TOUCHSTONE_API_KEY": "<your TOUCHSTONE_API_KEY>",
        "TOUCHSTONE_SIGNING_KEY": "<your TOUCHSTONE_SIGNING_KEY>",
        "TOUCHSTONE_KEY_FILE": "<your TOUCHSTONE_KEY_FILE>",
        "TOUCHSTONE_BASE_URL": "<your TOUCHSTONE_BASE_URL>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "servers": {
    "touchstone": {
      "type": "http",
      "url": "https://touchstone.cv/mcp"
    }
  }
}

Save as .vscode/mcp.json in your workspace. This endpoint requires authentication — see the server’s docs for credentials.

npm package

{
  "servers": {
    "touchstone": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@touchstone-cv/mcp"
      ],
      "env": {
        "TOUCHSTONE_RECORDER": "<your TOUCHSTONE_RECORDER>",
        "TOUCHSTONE_SUBJECT": "<your TOUCHSTONE_SUBJECT>",
        "TOUCHSTONE_API_KEY": "<your TOUCHSTONE_API_KEY>",
        "TOUCHSTONE_SIGNING_KEY": "<your TOUCHSTONE_SIGNING_KEY>",
        "TOUCHSTONE_KEY_FILE": "<your TOUCHSTONE_KEY_FILE>",
        "TOUCHSTONE_BASE_URL": "<your TOUCHSTONE_BASE_URL>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "mcpServers": {
    "touchstone": {
      "serverUrl": "https://touchstone.cv/mcp"
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. This endpoint requires authentication — see the server’s docs for credentials.

npm package

{
  "mcpServers": {
    "touchstone": {
      "command": "npx",
      "args": [
        "-y",
        "@touchstone-cv/mcp"
      ],
      "env": {
        "TOUCHSTONE_RECORDER": "<your TOUCHSTONE_RECORDER>",
        "TOUCHSTONE_SUBJECT": "<your TOUCHSTONE_SUBJECT>",
        "TOUCHSTONE_API_KEY": "<your TOUCHSTONE_API_KEY>",
        "TOUCHSTONE_SIGNING_KEY": "<your TOUCHSTONE_SIGNING_KEY>",
        "TOUCHSTONE_KEY_FILE": "<your TOUCHSTONE_KEY_FILE>",
        "TOUCHSTONE_BASE_URL": "<your TOUCHSTONE_BASE_URL>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "mcpServers": {
    "touchstone": {
      "url": "https://touchstone.cv/mcp"
    }
  }
}

This endpoint requires authentication — see the server’s docs for credentials.

npm package

{
  "mcpServers": {
    "touchstone": {
      "command": "npx",
      "args": [
        "-y",
        "@touchstone-cv/mcp"
      ],
      "env": {
        "TOUCHSTONE_RECORDER": "<your TOUCHSTONE_RECORDER>",
        "TOUCHSTONE_SUBJECT": "<your TOUCHSTONE_SUBJECT>",
        "TOUCHSTONE_API_KEY": "<your TOUCHSTONE_API_KEY>",
        "TOUCHSTONE_SIGNING_KEY": "<your TOUCHSTONE_SIGNING_KEY>",
        "TOUCHSTONE_KEY_FILE": "<your TOUCHSTONE_KEY_FILE>",
        "TOUCHSTONE_BASE_URL": "<your TOUCHSTONE_BASE_URL>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

BADGE

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Markdown

[![MCP Toplist](https://mcptoplist.com/badge/cv.touchstone%2Ftouchstone.svg)](https://mcptoplist.com/server/cv.touchstone%2Ftouchstone)

HTML

<a href="https://mcptoplist.com/server/cv.touchstone%2Ftouchstone"><img src="https://mcptoplist.com/badge/cv.touchstone%2Ftouchstone.svg" alt="MCP Toplist: Top 50% of 137,138" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 3 registries

PulseMCP

Official MCP

Glama

ORGANIZATION

touchstone-cv

Organization

touchstone-cv

Servers in org

Versions across org

VERSIONS

Available versions (2)

Version	Published
1.1.0	Jul 10, 2026
1.0.0	Jul 10, 2026

FAQ

Frequently asked questions

Who maintains Touchstone?: Touchstone is maintained by touchstone-cv, which publishes 1 MCP server (2 total versions) tracked on MCP Toplist.
Is Touchstone listed on the Official MCP Registry?: Yes — Touchstone is listed on the Official MCP Registry, alongside PulseMCP and Glama.
How many versions does Touchstone have?: MCP Toplist tracks 2 versions of Touchstone, most recently published on Jul 10, 2026.
Where can I find the source code for Touchstone?: The source code for Touchstone is hosted at github.com/touchstone-cv/touchstone-mcp.

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