FactReason changelog

What changed, and why.

Product, contract, reliability, and material data-quality updates. Claims here describe deployed behavior, not planned features.

2026-08-16

Documentation and correction operations

Added a searchable human documentation hub, Markdown and full agent documentation, a reusable upgrade-check skill, a public OpenAPI description, a protected correction queue, and operator review controls.

2026-08-16

MCP v2.0.4

Added optional tokenizer-measured compact responses to the package advisory, exact component, and integration brief tools. Full responses remain the compatibility default; compact and full have the same access policy and price.

2026-08-16

MCP v2.0.3

Moved package upgrade advisories behind the package-advisory authorization path, signed successful tool responses, and hardened two-phase authorization so misses remain free without becoming an enumeration path.

2026-08-14

MCP v2.0.2

Published complete tool annotations, constrained input schemas, output schemas, structured results, and the canonical public registry contract.