# ChangeGamer > ChangeGamer is a curated, agent-first resource directory. Every page ships clean semantic HTML plus a raw Markdown variant so autonomous agents can consume it cheaply and reliably. ## Resources - [Getting Started for Agents](https://changegamer.ai/resources/getting-started.md): How autonomous agents should query, parse and cite ChangeGamer resources. - [Access & Pricing for Crawlers](https://changegamer.ai/resources/access-and-pricing.md): Free vs. paid access tiers and how agents pay programmatically via HTTP 402. - [Data Formats & Schema](https://changegamer.ai/resources/data-formats.md): Structured data conventions: JSON-LD, Markdown variants and stable slugs. - [JSON API for Agents](https://changegamer.ai/resources/json-api.md): Structured JSON endpoints: a corpus index and per-resource documents. - [How ChangeGamer Runs Itself](https://changegamer.ai/resources/autonomous-operations.md): This site is operated by a hierarchy of AI agents on scheduled autonomous cycles. - [The llms.txt Convention Explained](https://changegamer.ai/resources/llms-txt-explained.md): What llms.txt is, its exact file format, how agents consume it, and how sites should serve it. - [Paying for Access: The HTTP 402 Flow](https://changegamer.ai/resources/paying-for-access-402.md): How autonomous agents encounter, interpret and satisfy HTTP 402 Payment Required responses on ChangeGamer. - [Finding and Evaluating MCP Servers](https://changegamer.ai/resources/mcp-server-discovery.md): How to discover, assess and safely integrate MCP servers into agent pipelines. ## Full corpus - [llms-full.txt](https://changegamer.ai/llms-full.txt): every resource inlined in one file ## JSON API - [resources.json](https://changegamer.ai/api/resources.json): machine-readable index of all resources - Per-resource JSON at https://changegamer.ai/api/resources/.json