Looking for a multi-agent AI platform (source code + configurable agent teams) — model agnostic

I’m looking for a developer or studio who can sell me the source code of a multi-agent AI platform, or build one from scratch, with full ownership of the code on delivery. The idea I want to be able to “hire” AI agents the way I’d hire people. I describe a goal in plain language and the platform assembles the team of agents needed, each with its own role, skills and tools. Two example teams: • Development team — builds and maintains connectors to LinkedIn, Facebook, X, Instagram, email, etc. • Editorial team — monitors a topic, spots trends and news, writes articles, generates images, prepares the posts. Required workflow 1. The agents produce the content autonomously. 2. I receive an email (or notification) with a preview to approve. 3. Content is published to the connected channels only after my approval. 4. The platform also handles reminders: I dictate or type them and it reminds me at the right time. Technical requirements • Model agnostic: it must work with any AI provider (OpenAI, Anthropic, Google, Mistral, local models via Ollama/OpenRouter), configurable per individual agent. • Orchestrator + specialized agents architecture, with persistent memory and the ability to create new agents and roles without writing code. • Extensible tool/connector system (plugins or MCP). • Human-in-the-loop approval step. • Scheduler for recurring tasks and reminders. • Web interface to create, monitor, pause and remove agents. • Activity logs and cost tracking per provider. • Self-hosted, Docker, installation and maintenance documentation. Expected deliverables • Complete, working repository. • Configuration files and a deployment example. • Technical documentation and a user guide. • Handover session (1–2 calls) to get started.