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How should agents get into your platform?
Agents already open browsers, fill in forms and create accounts for the people they work for. These guides compare the ways a platform can respond, including Versine.
Versine vs. no agent authentication
AI agents already browse, sign up and log in for people. See what happens when your platform has no way to let them in, and what Versine changes.
Versine vs. auth.md
No agent harness supports auth.md's signup-free path, so people still sign up at every service. Versine works with every agent: it's just an MCP server.
Agent authentication: build vs. buy
What it really takes to build agent signup yourself: OIDC, proof of work, rate limits, sender-bound tokens, account claiming and consent. Compare it with adding Versine.
Versine vs. magic links for AI agents
Magic links assume the agent can read the user's inbox. Most can't, and the ones that can turn signup into a spam and abuse channel. Here is the alternative.
Versine vs. AgentID
AgentID gives agents a verifiable identity. Versine gets them through your signup and login screens. How the two compare, and when you need each.
Assistants don’t lack intelligence,
they lack autonomy.
Give them a way through the login screen. Versine lets agents sign in with their user’s permission, so they can get on with what they came to do.