Verifyum
Privacy-preserving file proofs on Solana. Files are hashed locally. Currently free, no API key.
Connect it
Settings → Connectors → Add custom connector
URL: https://api.verifyum.com/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://api.verifyum.com/mcp{
"mcpServers": {
"mcp": {
"url": "https://api.verifyum.com/mcp"
}
}
}claude mcp add --transport http mcp https://api.verifyum.com/mcp{
"servers": {
"mcp": {
"type": "http",
"url": "https://api.verifyum.com/mcp"
}
}
}3 tools, verified live
verifyum_get_proofread-onlyRead the lifecycle state of one Verifyum proof (queued, submitted, finalized or failed). Input is a public proof ID only.
verifyum_verify_public_proofread-onlyCheck 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 com
verifyum_anchor_commitmentSubmit 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 f
Alternatives in Crypto & Web3
Compare →FAFabricaB
Tokenized US land on Ethereum: property search, valuations, loans, portfolios, parcel maps.
BitviewB
Read-only Bitcoin blockchain, mempool, mining, market, and on-chain analytics; no API key.
Crypto Trends MCPB
Crypto token and narrative trend volume over time, with growth signals. Free key at trendsmcp.ai
BYBykaranteliB
Crypto derivatives data: funding, OI, liquidations, options, ETF flows. Free account key required.
SHShumiB
Crypto market intelligence: prices, funding rates, narratives, regime, and delta-neutral research.
Prediction Markets QuantB
Free, no key: NFL prop board, Kalshi vs Polymarket gaps, 15-min crypto, Fed odds, NHL, EV/Kelly.