# HEXT Standard — Full LLM Index

> Complete resource index for HEXT Standard 1.0. Official site: https://hextai.com

## Site Pages

- [Home](https://hextai.com/): HEXT Standard homepage
- [Specification](https://hextai.com/spec/): Normative specification portal
- [Conformance](https://hextai.com/conformance/): Core requirements and implementation profiles
- [Implementation Profiles](https://hextai.com/conformance/#profiles): Additive capability sets
- [Lifecycle](https://hextai.com/lifecycle/): Standard lifecycle model
- [Registry](https://hextai.com/registry/): Semantic object registry (preview)
- [Schemas](https://hextai.com/schemas/): XSD modules
- [Examples](https://hextai.com/examples/): Reference documents
- [MCP Profile](https://hextai.com/mcp/): MCP Profile documentation (no live transport)
- [API](https://hextai.com/api/): REST API design (not deployed)
- [Docs](https://hextai.com/docs/): Documentation index
- [Blog](https://hextai.com/blog/): Announcements

## AI & MCP Discovery

- [llms.txt](https://hextai.com/llms.txt): Curated LLM discovery index
- [MCP Server Card](https://hextai.com/.well-known/mcp/server-card.json): MCP pre-connection metadata
- [Registry Catalog JSON](https://hextai.com/registry/catalog.json): Machine-readable registry index
- [Sitemap](https://hextai.com/sitemap-index.xml): Site map

## Normative Specification (Reference Repository)

- [SPECIFICATION.md](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/SPECIFICATION.md)
- [CHANGELOG.md](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/CHANGELOG.md)
- [ROADMAP.md](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/ROADMAP.md)
- [MIGRATION.md](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/MIGRATION.md)

## Schemas

- [hext-core.xsd](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/schemas/hext-core.xsd)
- [hext-rfc.xsd](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/schemas/hext-rfc.xsd)
- [hext-experiment.xsd](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/schemas/hext-experiment.xsd)

## Documentation (Reference Repository)

- [philosophy.md](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/docs/philosophy.md)
- [object-graph.md](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/docs/object-graph.md)
- [serialization.md](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/docs/serialization.md)
- [canonicalization.md](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/docs/canonicalization.md)
- [query-model.md](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/docs/query-model.md)
- [json/mapping.md](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/json/mapping.md)

## Examples (Reference Repository)

- [minimal.hext.xml](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/examples/minimal.hext.xml)
- [rfc.hext.xml](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/examples/rfc.hext.xml)
- [experiment.hext.xml](https://raw.githubusercontent.com/HEXT-AI/hxt-spec/main/examples/experiment.hext.xml)

## Registry Objects

- [RFC-NVS20](https://hextai.com/object/RFC-NVS20/) · [JSON](https://hextai.com/object/RFC-NVS20/document.json)
- [RFC-NVP18](https://hextai.com/object/RFC-NVP18/) · [JSON](https://hextai.com/object/RFC-NVP18/document.json)
- [EXP-Phase30BC](https://hextai.com/object/EXP-Phase30BC/) · [JSON](https://hextai.com/object/EXP-Phase30BC/document.json)

## Reference Implementations

- [hext-mcp](https://github.com/HEXT-AI/hext-mcp): MCP server (planned)
- [hxt.py](https://github.com/HEXT-AI/hxt-spec/blob/main/hxt.py): Legacy Python reference
- [hxt.js](https://github.com/HEXT-AI/hxt-spec/blob/main/hxt.js): Legacy JavaScript reference
- [tools/validator/validate.py](https://github.com/HEXT-AI/hxt-spec/blob/main/tools/validator/validate.py): Validator placeholder

## Ecosystem

- [HEXT-AI Organization](https://github.com/HEXT-AI)
- [Acta AIIE](https://acta-aiie.org/)

## Historical

- [Archived marketing site](https://hextai.com/archive/marketing-site-2026/)

## License

Specification: CC BY 4.0 · Site: MIT