# Milestone > Milestone is an AI engineering intelligence platform. It connects AI spend, > engineering output, code quality, and agent governance so engineering leaders > can see where AI creates value and where it does not. Built for: CTOs, VP Engineering, Heads of AI, Platform leaders, Finance. Customers include GitHub, monday.com, Playtika, HiBob, Varonis, Qualcomm. ## AI spend and ROI - [AI Spend Hub](https://mstone.ai/ai-spend-hub/): One ledger for every AI tool, seat, and model, joined to engineering output. - [AI Feature Spend Attribution](https://mstone.ai/ai-feature-spend-attribution/): Connect AI cost to specific features, teams, and delivery stages. - [Human & Agent Spend](https://mstone.ai/human-agent-spend/): How much code comes from engineers, assistants, and agents, and what each costs. - [AI Governance & Limits](https://mstone.ai/ai-governance-limits/): Spend caps, budget alerts, and usage policy by team, tool, model, and agent. ## AI agents - [Agents Registry](https://mstone.ai/agents-registry/): Live inventory of every AI agent with owner, permissions, risk, and cost. - [Agent Observability](https://mstone.ai/agent-observability/): Acceptance rate, code retention, review load, and ROI per agent. - [Agent Governance](https://mstone.ai/agent-governance/): Policies and approval gates that run before agent code merges. ## Intelligence and reporting - [Milestone Insights](https://mstone.ai/milestone-insights/): Prioritized findings with evidence and a recommended action. - [Vibe Metrics](https://mstone.ai/vibe-metrics/): Custom engineering KPIs built from a plain-language prompt. - [Milestone AI Chat](https://mstone.ai/milestone-ai-chat/): Ask questions about engineering and AI data in plain language. ## Resources - [Docs](https://mstone.ai/docs) - [Glossary](https://mstone.ai/glossary/) - [FAQ](https://mstone.ai/faq/) - [Blog](https://mstone.ai/blog/) - [Trust Center](https://trust.mstone.ai/) ## Optional - [Sitemap index](https://mstone.ai/sitemap_index.xml)