Cryptographic proof of wallet ownership in two steps, with no keys and no custody.
Connect Remote server
claude mcp add --transport http verify https://auth.xbarry.ai/api/mcp/verify
{
"mcpServers": {
"verify": {
"url": "https://auth.xbarry.ai/api/mcp/verify"
}
}
}
{
"servers": {
"verify": {
"type": "http",
"url": "https://auth.xbarry.ai/api/mcp/verify"
}
}
}
Settings > Connectors > Add custom connector
URL: https://auth.xbarry.ai/api/mcp/verify
Tools 2 found in our last check
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…
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…
Details
| Endpoint | https://auth.xbarry.ai/api/mcp/verify (Streamable HTTP) |
| First published | 20 Jun 2026 |
| Last updated | 20 Jun 2026 |
| Registry name | ai.tachyo/verify |
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