Agent skill · software engineering · jeremylongshore
retellai-core-workflow-a
Retell AI core workflow a \u2014 AI voice agent and phone call automation.\n\
Why this skill is useful
Adds executable scripts for configuring voice agents and call automation that aren't available in public documentation.
What it needs
Requires npm installed locally. About 2k tokens when loaded. Last updated 2026-08-07. 2,604 stars on the source repository.
What this skill does
Retell AI Core Workflow A Overview Build and configure voice agents with custom prompts, function calling, and call flow logic. Prerequisites Completed retellai-hello-world Instructions Step 1: Agent with Function Calling Step 2: Configure Voice and Behavior Step 3: Update Agent Configuration Output Agent with custom LLM prompt and function calling Voice and behavior configuration Real-time function execution during calls Error Handling Error Cause Solution ------- ------- ---------- Function not triggering Prompt doesn't guide to function Include function use in prompt Voice quality issues Wrong voice selection Test different voices Call ending too early Short silence timeout Increase endcallaftersilencems Examples Create and validate a new appointment-intake agent Build the agent in a development project with a narrow appointment-booking tool and a synthetic calendar. Run representative happy-path, no-availability, and human-handoff calls, checking that each tool request uses the expected arguments. Review the redacted transcripts with the service owner, then create a versioned preview for a limited internal canary; keep the previous agent version available until the new flow meets its completion and transfer goals. Resources Retell AI Documentation retell-sdk npm Next Steps Phone call management: retellai-core-workflow-b
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills jeremylongshore/retellai-core-workflow-a