# Topline Documentation

Topline documentation is available publicly at `https://topline.build/docs`.
No Topline account is required to read product and external API documentation.

## Choose what you want to do

### Use Topline

- [Topline Product Guide](/docs/product-guide) explains projects, chat, data
  sources, automations, artifacts, coding work, preferences, and tenant
  administration.
- [Secure Browser](/docs/secure-browser) explains profiles, human sign-in,
  MFA, approvals, controls, and troubleshooting.
- [Scheduled Work](/docs/automations-guide) covers reminders, recurring
  schedules, run controls, timezones, and failure recovery.
- [Assistant Knowledge](/docs/knowledge-guide) covers preferences, reviewed
  company knowledge, glossary terms, conflicts, and safe content boundaries.
- [Tenant Administration](/docs/administration-guide) covers members,
  capabilities, credentials, billing visibility, audit, and offboarding.
- [Workforce and Storyboard](/docs/workforce-storyboard-guide) covers task
  ownership, progress, approvals, recovery, visual review, and publishing.

### Build an artifact app

- [Build MCP: Get started](/docs/build-mcp-guide) walks from client setup
  through a private draft, validation, troubleshooting, and operator review.

### Use Topline context in another client

- [Workspace MCP: Get started](/docs/workspace-mcp-guide) covers connection,
  permission-filtered conversation and documentation reads, reviewed knowledge
  changes, pagination, and troubleshooting.

### Integrate with the API

- [External API Guide](/docs/external-api-guide) covers OAuth PKCE, Harness
  MCP, artifact APIs, errors, retries, and security.
- [Harness MCP Tool Reference](/docs/generated-mcp-tools) lists every supported
  external MCP tool, required scope, capability, and input schema.
- [External API Endpoint Reference](/docs/generated-api-endpoints) lists every
  supported public endpoint.
- [OpenAPI 3.1 Specification](/docs/openapi.json) is the machine-readable REST
  contract.
- [MCP Server Reference](/docs/mcp-server-reference) compares Build, Workspace,
  legacy compatibility, and internal task-scoped servers.
- [MCP Client Certification](/docs/mcp-client-certification) defines the
  real-client release matrix and safe evidence requirements.

## Track compatibility

- [API Lifecycle and Compatibility](/docs/api-lifecycle) defines stability,
  breaking changes, deprecation, and migration windows.
- [Documentation and API Changelog](/docs/changelog) records customer-visible
  changes.

Use documentation search for a feature name, visible control label, endpoint,
MCP tool, error code, or troubleshooting phrase.