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Logto vs Mcp

Logto and Mcp score alike on the AgentReady. They differ on 10 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Logto. Logto is an open-source authentication and identity platform built for developers, offering auth, SSO, and RBAC for SaaS, AI agents, and B2B apps.

Mcp. MCP.so is a discovery platform for MCP (Model Context Protocol) servers, connecting AI apps to tools, data, and automated workflows.

Where Logto is ahead

Logto passes public docs discoverable, and Mcp does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds understand: structured api reference, authentication documented and limits / constraints documented. Mcp misses those.

And on adopt, agent-compatible signup flow. Mcp misses it.

Where Mcp is ahead

Mcp passes mcp discoverable, and Logto does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds adopt: cli available and mcp integration available. Logto misses those.

And on operate, retry behavior documented and agent compatibility verified. Logto misses those.

What neither does

Both fail openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, no mandatory sales call, programmatic credential creation, fast time to first request, copyable quickstart, structured, predictable output, machine-readable errors, idempotency support, rate-limit behavior predictable. If your agent needs any of those, you will be building it yourself either way.

Score, pillar by pillar

The AgentReady splits into four pillars, scored separately, because a product can be easy to find and still impossible to adopt.

Discover. Both sit at 87/100 here. Logto misses mcp discoverable; Mcp misses public docs discoverable.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. Logto leads 54 to 23. Logto misses openapi / spec quality, request examples provided, response examples provided, errors and status codes documented; Mcp misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. Mcp leads 60 to 50. Logto misses no mandatory sales call, programmatic credential creation, fast time to first request, copyable quickstart, cli available, mcp integration available; Mcp misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, fast time to first request, copyable quickstart.

Operate. Mcp leads 61 to 39. Logto misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; Mcp misses structured, predictable output, machine-readable errors, idempotency support, rate-limit behavior predictable.

Pricing

Logto starts at $0/mo and has a free tier. Mcp starts at $399/mo with no free tier.

Signal by signal

Which to pick

Signal counts are level here, so fit and price decide it. Full profiles: Logto and Mcp. Alternatives to each: Logto, Mcp.

An agent can fetch this as data: POST /v1/compare {"slugs": ["logto", "mcp"]}