Tools for voice-agency operators.
Calculators, checklists and templates we ship alongside our YouTube videos. Use them in 5 minutes. The rest of the kitchen lives inside the community.
New artifacts
The freshest drop first, the rest below.
Voice Agent Cost Calculator: Retell vs ElevenLabs vs Kallflow
Enter your monthly call volume, pick your stack, and see exactly what each platform costs, and where the breakeven flips.
Calculate the real deployed cost of your voice agent across Retell, ElevenLabs Agents, and Kallflow self-hosted. Compare monthly costs, find the Kallflow breakeven crossover, and see a 12-month projection based on all five cost dials: platform, LLM, STT, TTS, and telephony.
Voice Agent Production Failure Checklist: 6 Bugs to Patch Before Going Live
Six production failure modes that hit real voice agents in the first month of deployment. None of them show up in demos. Check each one off, expand to see the precise fix, and mark your agent client-ready when all six are addressed.
Voice Agent Platform Picker: Retell vs Kallflow vs Build Your Own
A six-question decision tool that maps any new client to the right voice agent infrastructure tier: Retell (managed), Kallflow (self-hosted pre-built), or LiveKit DIY. Based on the three factors that actually decide the tier: compliance requirements, infrastructure ownership, and call volume.
AI Cold Outreach Pipeline: ICP Filter → Enrichment → Email
Simulate the full AI cold outreach pipeline: ICP qualification criteria for the 4 target verticals, lead enrichment signal types, and email quality gates (50-80 words, ≤33-char subject, banned phrases). Built for AI agency owners who want to understand the methodology before building it themselves.
What people are using
Leaderboard: ranked by views over time.
- 013Tool
AI Cold Outreach Pipeline: ICP Filter → Enrichment → Email
Simulate the full AI cold outreach pipeline: ICP qualification criteria for the 4 target verticals, lead enrichment signal types, and email quality gates (50-80 words, ≤33-char subject, banned phrases). Built for AI agency owners who want to understand the methodology before building it themselves.
- 022Calculator
Voice Agent Cost Calculator: Retell vs ElevenLabs vs Kallflow
Calculate the real deployed cost of your voice agent across Retell, ElevenLabs Agents, and Kallflow self-hosted. Compare monthly costs, find the Kallflow breakeven crossover, and see a 12-month projection based on all five cost dials: platform, LLM, STT, TTS, and telephony.
- 032Checklist
Voice Agent Production Failure Checklist: 6 Bugs to Patch Before Going Live
Six production failure modes that hit real voice agents in the first month of deployment. None of them show up in demos. Check each one off, expand to see the precise fix, and mark your agent client-ready when all six are addressed.
- 042Tool
Voice Agent Platform Picker: Retell vs Kallflow vs Build Your Own
A six-question decision tool that maps any new client to the right voice agent infrastructure tier: Retell (managed), Kallflow (self-hosted pre-built), or LiveKit DIY. Based on the three factors that actually decide the tier: compliance requirements, infrastructure ownership, and call volume.