Deploy and Host Agent Prompt Render on Railway

Render a prompt using named placeholders.

About Hosting Agent Prompt Render

This is a stateless JSON tool. Deploy it, copy TOOL_TOKEN from service variables and send it as an Authorization: Bearer header on POST /run. The /health endpoint is public and returns readiness only. Inputs are limited to 64 KiB. The application does not store requests or call a model.

Why Deploy Agent Prompt Render

Call a deterministic operation from an agent, workflow or application without an LLM API key.

Common Use Cases

Render a prompt using named placeholders.
Insert a deterministic check or transformation in a workflow.
Repeat the documented example in a regression check.

Dependencies for Agent Prompt Render

Python 3.13 container and a Railway project.
An HTTP client with your generated bearer token.

Example input for POST /run

{"template": "Hello ${name}", "values": {"name": "Ada"}}

Expected response

{"result": "Hello Ada"}

The single process is intended for small internal workloads. Set concurrency and load limits upstream before serving high volume traffic.