Constructs is an open platform that lets developers create, share, and remix modular building blocks for AI agents, including personas, skills, soul files, and decision frameworks. Users can browse constructs, install them via a raw URL that any LLM can ingest, and fork or publish their own versions, enabling collaborative improvement of agent definitions for tools like Claude Code, Cursor, and other agentic systems.
Funding
Funding not disclosed
Founders
Product
Problem
Developers building AI agents must manually craft prompts, configuration files, and code to define an agent’s identity, capabilities, and decision logic, which is time‑consuming and error‑prone. Lack of a shared, reusable library of complete agent definitions makes it difficult to standardize behavior across different agentic tools such as Claude Code, Cursor, and others.
Solution
Constructs offers an open, searchable repository of “constructs” – portable, plain‑text definitions that encapsulate an agent’s persona, skills, soul files, and decision frameworks. Each construct is provided in markdown, YAML, or JSON with a raw URL that any LLM can fetch directly, enabling instant installation into supported harnesses. Users can browse constructs by category or tag, copy or download the definition, or ask their agent to retrieve it via the raw endpoint. The platform also supports forking and remixing, allowing developers to adapt existing constructs to their workflows and publish improved versions, fostering community‑driven evolution of agent components.
Target Audience
Primary users are AI developers, prompt engineers, and teams building agentic applications who need reusable, composable definitions for agents across various tooling ecosystems.
Features
- Plain‑text construct formats (Markdown with YAML front‑matter, YAML, JSON) compatible with virtually all agent harnesses
- Raw URL endpoint (e.g., constructs.sh/author/name/raw) that any LLM can ingest without additional tooling
- Built‑in browsing, tagging, and categorization for easy discovery of personas, skills, soul files, and decision frameworks
- One‑click fork and remix workflow that preserves attribution and encourages community improvements
- Support for multiple agent platforms including Claude Code, Cursor, Windsurf, Cline, Aider, and generic LLM agents
- Licensing options (MIT, CC‑BY, CC‑NC, Proprietary) displayed per construct to clarify reuse rights