Keyrealm is an all-in-one, local-first credential management and validation vault designed specifically for offensive security, penetration testing, and red teaming. It provides field-level AES-256-GCM encryption with master passwords derived via PBKDF2 to keep sensitive API keys, cloud AK/SKs, bot tokens, SSH keys, and session cookies fully secured without sending data to the cloud. Keyrealm supports over 70 service plugins across 12 categories, offering single, batch, and scheduled validation alongside actionable capabilities like cloud querying, interactive SFTP/SSH, and model chatting. With cross-platform desktop, CLI, and web interfaces, fine-grained multi-hop proxy chains, and an integrated MCP server, Keyrealm empowers security practitioners and AI agents to safely access, verify, and leverage sensitive secrets throughout security workflows.