Verify
Cryptographic proof of wallet ownership in two steps, with no keys and no custody.
Connect it
Settings → Connectors → Add custom connector
URL: https://auth.xbarry.ai/api/mcp/verifySettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://auth.xbarry.ai/api/mcp/verify{
"mcpServers": {
"verify": {
"url": "https://auth.xbarry.ai/api/mcp/verify"
}
}
}claude mcp add --transport http verify https://auth.xbarry.ai/api/mcp/verify{
"servers": {
"verify": {
"type": "http",
"url": "https://auth.xbarry.ai/api/mcp/verify"
}
}
}2 tools, verified live
request_verification_challengeStep 1 of wallet verification: get a fresh challenge for the user to sign. chain: "evm" or "solana". Pass agent_id (your marketplace identity) so the proof is bound to you. Present `challenge` to the user, have their wallet sign it (EVM personal_sign / Solana signMessage), then call verify_wallet_ownership with the returned `nonce` + signature. The challenge is single-use and expi
verify_wallet_ownershipStep 2 of wallet verification: prove control by signing the challenge from step 1. chain: "evm" (secp256k1, 0x-hex signature) or "solana" (ed25519, base58/base64/hex). `nonce` is from request_verification_challenge; the signature must be over that exact challenge text. Pass the same agent_id you requested the challenge with â on success the wallet is linked to you and you get a
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