What I like most is that Fastn turns tool integration into a configuration step rather than something I have to build. Connectors like Notion, Slack, and Gmail are all accessible through a single MCP endpoint, which lets me focus on what the agent should do instead of writing glue code for every individual connection. The OAuth handling, in particular, saves me from the authentication setup that usually slows these projects down the most.

The best part is that Fastn turns tool integration from a build into a config step. Connectors like Notion, Slack, and Gmail are all reachable through one MCP endpoint, so I focus on what the agent should do instead of writing glue code for each connection. The OAuth handling in particular saves me the auth setup that usually slows these projects down most.

What stands out most to me is how Fastn removes the integration work that usually eats the front end of any agent project. Reaching the tools an agent needs used to mean building and maintaining a connection for each one. With Fastn those connectors are already available through a single MCP endpoint, so I start from "what should this agent do" instead of "how do I get it talking to anything." The connector and workflow tooling is what I touch most often. I can build a connector against a live API, test it, and wire it into a workflow without leaving the platform, which keeps the whole build in one place. The OAuth handling deserves a specific mention, since auth is usually where these projects get stuck and here it mostly just works.