Inngest for workflow orchestration
Inngest's official Dev Server MCP is our second pick for workflow orchestration, and it suits a serverless, event-driven model: an agent triggers a function, inspects its step-level state, and reasons about retries without hand-rolling a client. The developer-friendly shape, events in, step functions running, runs observable, maps cleanly onto what an agent needs to supervise.
It ranks second of four because it connects to the local Inngest dev server, so its strength is building and observing workflows in development rather than running production orchestration. Temporal, Trigger.dev, and Windmill cover the other shapes, and one may fit a given workload better.
How Inngest fits
The orchestration tools cover trigger and inspection. send_event kicks off event-driven functions and reports which runs it created, invoke_function runs one directly and waits for the result, and list_functions enumerates registered functions with their trigger details. get_run_status exposes detailed status and a step-by-step trace, which is how an agent inspects why a step failed and whether a retry fired, and poll_run_status watches multiple runs to completion. grep_docs, read_doc, and list_docs let the agent consult Inngest's own documentation on workflow behavior.
The honest limit: this is the dev-server surface, so it is aimed at developing and testing workflows, not operating a production engine. Temporal is the stronger pick for durable workflows that must survive crashes with strong consistency; Trigger.dev fits a serverless job runner you operate; Windmill suits code-first internal automation across scripts. Reach for Inngest when your orchestration is event-driven with step functions and you want an agent driving and observing runs against the dev server.
Tools you would use
| Tool | What it does |
|---|---|
| send_event | Send an event to trigger functions and get immediate feedback on which runs were created. |
| list_functions | Discover all registered functions with their names, IDs, and event-trigger information. |
| invoke_function | Directly execute a function and wait for its complete result. |
| get_run_status | Get detailed status and trace information for a specific function run, including step-by-step execution details. |
| poll_run_status | Monitor multiple function runs until they complete — useful for integration testing. |
| grep_docs | Search the embedded Inngest documentation using pattern matching. |
| read_doc | Read the complete content of a specific documentation file. |
| list_docs | Get an overview of all available documentation with a category breakdown. |
FAQ
- Can the Inngest MCP server show why a workflow step failed?
- Yes. get_run_status returns detailed status and a step-by-step trace for a run, so an agent can see which step failed and whether a retry fired. poll_run_status tracks multiple runs to completion.
- Is Inngest or Temporal the better orchestration pick?
- It depends on the workload. Inngest fits a developer-friendly, event-driven serverless model and runs against its dev server. Temporal is the stronger pick for durable workflows that must survive process crashes.