# Exact finite dependency version selector

Build-time release reference. Runtime readiness, deployment, payment settlement and external indexing are not evaluated here. Prices are proposed; this file cannot authorize execution or payment.

Select the lexicographically highest jointly compatible stable versions in caller-declared package priority from a complete supplied finite catalogue, with first-failure witnesses for every earlier combination. Valid infeasibility is a normal paid result; never contacts a registry or installs packages.

Release: 0.29.0. Built: 2026-10-06T15:38:00Z.

## Choose for
- Choosing one supplied version of every package for a bounded offline release fixture
- Resolving conditional version requirements, including self-dependencies and cycles
- Regenerating and checking every rejected higher-priority combination from explicit evidence

## Outside this profile
- Registry lookup, download, installation, native npm lockfile generation or unseen releases
- Prerelease/build metadata or npm/pnpm/yarn range, peer, optional, workspace, platform or engine semantics
- Authenticity, vulnerability or license checks; minimum-change objectives; installation ordering
- Fetching sources, changing external state or executing supplied data

Proposed nominal USD 0.008 per successful call; payer fees excluded. No verified runtime availability.

- [Exact release contract](/reference/services/dependency-version-select.json)
- [Input schema](/reference/schemas/dependency-version-select.input.json)
- [Output schema](/reference/schemas/dependency-version-select.output.json)
- [Fixed example](/reference/examples/dependency-version-select.json)
- [Complete HTML reference](/discover/tools/dependency-version-select)