Real humans solve CAPTCHAs, verifications & approvals for AI agents via API.

SiliconBridge is a human-in-the-loop API built for AI agents. When your agent hits a CAPTCHA, phone verification, OTP/2FA challenge, KYC check, or needs human approval — SiliconBridge routes it to real humans who solve it in seconds. Published on the official MCP Registry with streamable HTTP transport, plus A2A and llms.txt support for maximum agent discoverability. Pay-per-task pricing starts at $1. Volume credit packs available with up to 20% bonus. 25% lifetime referral commission with a live leaderboard.