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Verifyum MCP Server

by verifyum Your server? Claim it
answering

Verifyum is answering right now. Last checked 8 min ago. It exposes 3 tools.

Privacy-preserving file proofs on Solana. Files are hashed locally. Currently free, no API key.

Uptime history 23 days of history · worst day 72%
23 days agonow
100.0%
Uptime 24h
91 of 91 checks
3
Tools
read from the server
73 ms
Response time
average over 24h
open, no key
Access
streamable-http

Verifyum missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

run in your terminal
claude mcp add mcp --transport http https://api.verifyum.com/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://api.verifyum.com/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.mcp]
url = "https://api.verifyum.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://api.verifyum.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://api.verifyum.com/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

verifyum
verifyum_anchor_commitment
Submit one locally calculated Verifyum version 2 commitment. Accepts only the commitment and an idempotency key. Never send a file, filename, raw file hash, nonce or private manifest. The caller must hash the file and build the private manifest on its own machine first, as documented at https://verifyum.com/agents. This creates a real public transaction on Solana Mainnet. Public use is currently free and the network fee is currently paid by AI SENSE AS. That is a current service policy, not a permanent pricing guarantee. Create proofs only on clear user intent, never speculatively, in bulk, or as a hidden side effect. When retrying, reuse the exact same commitment and idempotency key.
verifyum_get_proof
Read the lifecycle state of one Verifyum proof (queued, submitted, finalized or failed). Input is a public proof ID only.
verifyum_verify_public_proof
Check a finalized proof: metadata consistency, the exact 128-byte memo, and the Ed25519 service signature against the published key registry. The response also contains the exact Solana RPC call and expectations so the caller can independently confirm the transaction on chain, because this hosted check is performed by the Verifyum service itself. A finalized Verifyum anchor demonstrates that a commitment to exact file bytes existed no later than the estimated Solana block time. It does not prove authorship, ownership, legal signature validity, when the file was first created, or whether statements inside the file are true.

Endpoints

URLTransportStateLatencyChecked
https://api.verifyum.com/mcp streamable-http answering 69 ms 8 min ago

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Verifyum — questions

Answers built from our own checks of this server.

What can Verifyum do?
It exposes 3 tools, read directly from the server on our last check. Among them: verifyum_anchor_commitment, verifyum_get_proof, verifyum_verify_public_proof. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Verifyum working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 73 ms. The bar chart above shows every period we have measured.
How do I connect Verifyum?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Verifyum need an API key?
No. Verifyum completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Verifyum?
It answers our handshake in 73 ms on average, which is faster than 95% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.