Koskamo

ProofSnap MCP

An official MCP server by ProofSnap that allows AI assistants to capture web pages as signed, timestamped evidence, verify captures, compare changes, and monitor pages for updates. It integrates with tools like Claude, ChatGPT, and Cursor to preserve web content for legal, journalistic, or compliance purposes.

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Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

ProofSnap MCP logo, by ProofSnapVendor evidenceStreamable HTTPOAuth sign-inEndpoint checked 2026-11-01Operated by ProofSnap
You need:Create a free accountConnect with an API keyRuns on your ProofSnap Dashboard and API account
MCP endpoint (Streamable HTTP)
https://mcp.getproofsnap.com/mcp
Vendor documentation

What you can do with it

  • Capture web pages as signed evidence
  • Verify capture integrity and timestamps
  • Compare two captures to detect changes
  • Monitor pages for content updates

Source and maintenance

Vendor evidenceRegistry 1.0.0
mcp-registry: com.getproofsnap/proofsnap@1.0.0Project website

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
164 ms
95th percentile latency
164 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 164 ms · metadata changed · refuses unauthenticated initialize (HTTP 401)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http proofsnap-mcp-getproofsnap https://mcp.getproofsnap.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add proofsnap-mcp-getproofsnap --url https://mcp.getproofsnap.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable proofsnap-mcp-getproofsnap in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "proofsnap-mcp-getproofsnap": {
      "url": "https://mcp.getproofsnap.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "proofsnap-mcp-getproofsnap": {
      "type": "streamableHttp",
      "url": "https://mcp.getproofsnap.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start proofsnap-mcp-getproofsnap and inspect its tools.
VS Code configuration
{
  "servers": {
    "proofsnap-mcp-getproofsnap": {
      "type": "http",
      "url": "https://mcp.getproofsnap.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http proofsnap-mcp-getproofsnap https://mcp.getproofsnap.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "proofsnap-mcp-getproofsnap": {
      "url": "https://mcp.getproofsnap.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "proofsnap-mcp-getproofsnap": {
      "serverUrl": "https://mcp.getproofsnap.com/mcp"
    }
  }
}

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Do you run ProofSnap MCP?

Prove ownership with a DNS record, a well-known file, or your Official MCP Registry entry, and your edits publish immediately. Proofs are re-checked weekly; admins can still hide or remove a listing.

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