Agent Skills for building Splash Sync connectors, usable by any AI coding agent (Claude Code, Cursor, GitHub Copilot, OpenAI Codex, Gemini CLI, Mistral Vibe, Windsurf...). Skill: splash-connector - SKILL.md: anatomy of a generation 3 connector, 7-step workflow, non-negotiable rules, three-level reference map (local vendor docs, Toolkit MCP resources, web) - 9 references loaded on demand: - metadata-mapping: API models & #[SPL\...] attributes - scopes-templates: field templates & feature scopes - objects-crud: objects, visitors & CRUD lifecycle - connector-config-forms: connector class, profile, configuration forms - oauth2-sessions: stateless OAuth2 & the no-session rule - bridge-builder-splx: packaging a connector as a .splx worker - testing-toolkit-mcp: sandbox, Toolkit, Validator suite & MCP server - quality: code quality & conventions - module-documentation: module page on splashsync.com (docs, manifest, OpenAPI) Distribution - Agent Skills format, Claude Code plugin marketplace manifest - Served by the Splash Toolkit MCP server as splash://skills/* resources - AGENTS.md / CLAUDE.md templates for connector repositories - llms.txt index Tooling - bin/skills-lint: checks every vendor path and MCP uri referenced by the skills against the installed packages, run in CI