# Meso — documentation > Scoped index for Meso's product documentation and reference material. Meso is a periodized strength-training program that rebuilds itself as you train. See the site-wide index at https://meso.fitness/llms.txt. ## Concepts - [Methodology (9-pillar framework)](https://meso.fitness/methodology.md) — every programming rule mapped to peer-reviewed research. - [Homepage overview](https://meso.fitness/index.md) — phases, the generation engine, and flexibility model. ## Reference - [Pricing](https://meso.fitness/pricing.md) — model, limits, availability. - [Contact](https://meso.fitness/contact.md) — support, security, research, legal. ## For agents / developers - [Agent auth walkthrough](https://meso.fitness/auth.md) - [A2A agent card](https://meso.fitness/.well-known/agent-card.json) - [MCP server card](https://meso.fitness/.well-known/mcp/server-card.json) - [Agent skills index](https://meso.fitness/.well-known/agent-skills/index.json)