# Bestie Check > Quality assurance and epistemic verification for knowledge-work deliverables. Public documentation and machine interfaces for Bestie Check. All documentation pages support Markdown content negotiation using `Accept: text/markdown` or with a `.md` suffix. ## When to use Bestie Check - **Pre-submission verification**: Verify proposals, investment memos, policy documents, and financial analyses before executive sign-off or client distribution. - **Evidence & citation auditing**: Test whether asserted claims are logically supported by cited sources (warrant entailment). - **Assumption stress-testing**: Identify implicit premises and test outcome sensitivity to external conditions. - **Auditable handoff**: Generate cryptographic receipts proving what criteria were tested and explicitly recording unengaged criteria. **When NOT to use Bestie Check**: - Do not use for generic unstructured copywriting or creative brainstorming. - Do not use for automated real-time high-frequency execution without human or quote-bound approval. ## Machine Specifications & Interfaces - [OpenAPI 3.1 Specification](https://hirebestie.com/openapi.json): Complete machine-readable REST API contract. - [Remote MCP Server](https://www.hirebestie.com/api/check/mcp): Remote Model Context Protocol (Streamable HTTP) endpoint. - [Check CLI Package](https://hirebestie.com/docs/cli): `@mybestie/check` CLI available from source in `packages/bestie-check`. ## Agent Documentation - [Getting Started for Agents](https://hirebestie.com/docs/agents/getting-started): Operational custody loop, quote-bound spend approvals, and error recovery. - [Remote MCP Tools](https://hirebestie.com/docs/mcp): Tool definitions, schemas, and authentication. - [CLI Reference](https://hirebestie.com/docs/cli): Command-line execution and automated CI/CD checks. - [Agent Integration Portal](https://hirebestie.com/for-agents): Overview for autonomous agent hosts and orchestrators. ## Core Verification Architecture - [Check Architecture](https://hirebestie.com/docs/check): Four-pass verification pipeline, quote-bound approval, and lifecycle. - [Principle Packs](https://hirebestie.com/docs/principle-packs): Admitted evaluation rulebooks (Corporate Finance Mini, Quantitative Integrity). - [Coverage & Receipts](https://hirebestie.com/docs/coverage-and-receipts): Sealed cryptographic receipts and coverage denominator accounting. ## Trust & Governance - [Verification Boundary](https://hirebestie.com/trust): Epistemic commitments, coverage accounting, and limitations. - [About Bestie](https://hirebestie.com/about): Verification philosophy, company overview, and methodology. - [Contact & Support](https://hirebestie.com/contact): Operator support channels and pilot admission. - [Privacy Policy](https://hirebestie.com/privacy): Data custody, tenant isolation, and standard retention policies.