Authentication Posts

Articles and insights about Authentication from the PropelAuth team.

6 Best Authentication Platforms for B2B SaaS in 2026

Choosing an authentication platform for a B2B SaaS product is a decision you live with for years. The wrong choice shows up later as custom middleware for multi-tenancy, enterprise deals stalled on a missing SCIM checkbox, or a painful migration once per-user pricing catches up with your growth. B2B...
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6 Auth Platforms With Enterprise SSO Support for B2B SaaS in 2026

Enterprise SSO is one of those features that can quietly stall a deal that seemed almost closed. Your product is solid, the champion is on board, and ...
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6 Best Auth Platforms for Python Developers in 2026 (FastAPI, Flask, and Django)

Choosing a Python authentication platform is one of those decisions that's easy to get wrong and painful to undo. Whether you're building a FastAPI based application or anything else, this can make all the difference.
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5 Best Auth Platforms for React Developers in 2026 (Vite, Next.js, and React Router)

Picking the wrong React authentication library is the kind of decision that feels fine at first and painful eighteen months later. By then you are either stuck with a tough compromise or you are knee-deep in a painful rewrite.
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Deep dive into OAuth 2.1 and MCP using Cloudflare Workers

Model Context Protocol (MCP) servers are a convenient way to allow AI applications (Claude, Gemini, ChatGPT, etc.) to connect to your product. We have explored the implications and use cases...
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Production-ready MCP server using Cloudflare Workers

MCP servers are a convenient way to allow AI applications (Claude, Gemini, ChatGPT, etc.) to connect to your product.
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Guide to understanding MCP with examples

Model Context Protocol (MCP) is a standard for connecting AI applications (ChatGPT, Claude, Gemini, OpenCode) to external systems (Google, GitHub, You...). This guide extends the understanding of MCP with practical examples...
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MCP Authentication with FastMCP

MCP servers are just a clean way to give an AI client (like Claude Desktop, Claude Code, ChatGPT, etc) a set of functions it can call. This can really streamline the interaction process.
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Why does DCR matter for MCP?

Model Context Protocol (MCP) is a standard for connecting AI applications (Claude, ChatGPT, Gemini) to external applications (Linear, Google Calendar, etc.) – learn why Dynamic Client Registration (DCR) plays a vital role in this process.
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What is Dynamic Client Registration?

Dynamic Client Registration (DCR) is an extension of OAuth that allows OAuth clients to be created programmatically. It wasn’t a very popular extension initially, but it has seen increased relevance...
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