# Facts per token, complete against peers > Your listing packs specific, verifiable facts per token (specs, price, GTIN, availability, policy) and fills the comparable attributes the top listings in your category expose, so an agent has real substance to decide on rather than superlatives. - **Affects (funnel stage):** Comparison - **Evidence:** hypothesis - **Confidence:** Low - **Impact:** 3/3 - **Status:** active - **Last verified:** 2026-07-08 ## Per-platform status Undocumented platforms show "unknown" - honest unknowns, never invented. | Platform | Status | Notes | Source | | --- | --- | --- | --- | | ChatGPT | unknown | Not documented by this platform. | - | | Gemini / Google AI Mode | unknown | Not documented by this platform. | - | | Perplexity | unknown | Not documented by this platform. | - | | Copilot | unknown | Not documented by this platform. | - | | Claude | unknown | Not documented by this platform. | - | ## Evidence and sources - [Vercel: Making agent-friendly pages with content negotiation](https://vercel.com/blog/making-agent-friendly-pages-with-content-negotiation) (2026-02-03) - [Cloudflare, Markdown for Agents](https://developers.cloudflare.com/fundamentals/reference/markdown-for-agents/) (approx. 2026-06-05) ## How to act on this Lead every machine surface with specs, price, GTIN, availability, and policy; list the attributes the top 3 competing listings expose and fill your gaps truthfully with measurable facts, not superlatives. ### Related checklist items - [Fill the specs your category's leaders expose: completeness vs. category norms, not just vs. "required."](https://agentmint.net/tools/agent-selection-checklist/#b-product-content-01) (Selection) - [Make claims specific and verifiable (materials, dimensions, certifications), not vague superlatives.](https://agentmint.net/tools/agent-selection-checklist/#b-product-content-03) (Selection) ### Handbook chapters - [Information Density: Facts Per Token on Machine Surfaces](https://agentmint.net/handbook/information-density/) ### Related signals - [Descriptions answer relayed buyer questions](https://agentmint.net/signals/buyer-question-descriptions/) - [Variants and titles use the words shoppers type](https://agentmint.net/signals/variant-and-title-matching/) - [Machine-readable page representation](https://agentmint.net/signals/machine-readable-mirror/)