Playgrounds
Playgrounds builds tools for the post-AI age: a Rust framework for AI agents, a context library for working with AI, and the community around both. Its stated approach is small-team, open-source-by-default development with an emphasis on letting builders use AI on their own terms.
At a Glance
- Rust developers and software teams building LLM applications
- AI-agent and automation developers
- Teams needing multi-provider model portability
- Companies building RAG, vector-search, memory, and tool-calling systems
- +2 more
AI Tools by Playgrounds
(1)
Rig
Rust Library for LLM Agents
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Products & Services
An MIT-licensed, modular Rust framework/library for building LLM applications and AI agents, with a unified typed API across 20+ model providers, tools, structured output, streaming, and RAG.
The community and ecosystem around Rig, including contributors, partners, projects built with it, and an agentic-AI ecosystem.
A context library and visual AI workspace that keeps documents, notes, and conversations together and loads the context needed for each chat; Arc describes it as an agentic app store for collaboration between people and AI agents.
An open-source Python library for querying The Graph's subgraphs and GraphQL data, with schema introspection, automatic pagination, Pythonic query/transformation APIs, and dataframe-oriented analytics workflows.
Market Position
Playgrounds positions Rig as a Rust-native alternative to more Python- and JavaScript-centric agent frameworks, emphasizing compile-time type safety, performance, portability, one interface across many providers, and reduced vendor lock-in. Its ecosystem positioning combines infrastructure (Rig), context/workspace software (Ryzome), and an open community/ecosystem (Arc); the ARC ecosystem materials explicitly compare against fragmented agent integrations and promote MCP interoperability.
Leadership
Founders
Jephthah (Tachi) Akene
Co-founder and CEO; founder of Open FusionX, previously a Space Science Research Engineer at Southwest Research Institute and Systems Engineer at Concentric Advisors.
Christophe (Stopher) Vauclair
Co-founder and CTO; previously President of Protean Labs.
Thierry Bleau
Co-founder and CPO; has served as a technical advisor for The Graph.
Executive Team
Jephthah (Tachi) Akene
CEO, Co-founder
Founder of Open FusionX; former Space Science Research Engineer at Southwest Research Institute and Systems Engineer at Concentric Advisors.
Thierry Bleau
CPO, Co-founder
Product leader and former technical advisor for The Graph.
Founding Story
Playgrounds Analytics began as a data-solutions provider using The Graph for on-chain infrastructure, then pivoted toward AI development in 2024. The initial vision was to make powerful data and AI capabilities more accessible through open-source developer tools and simpler abstractions.
Business Model
Revenue Model
The core Rig and Subgrounds software is open source (Rig is MIT licensed). The public materials indicate a bring-your-own-model/developer-tooling model rather than paid API usage for Rig; Ryzome offers hosted workspace access, while Arc's litepaper describes a service-provider settlement model with an 85% provider, 10% Arc growth, and 5% Playgrounds operational split.
Pricing Tiers
Workspace access with no card required.
Target Markets
- Rust developers and software teams building LLM applications
- AI-agent and automation developers
- Teams needing multi-provider model portability
- Companies building RAG, vector-search, memory, and tool-calling systems
- Web3/blockchain developers and data analysts
- Knowledge workers and teams organizing context for AI
- Building production LLM applications and AI agents in Rust
- Tool-calling, structured extraction, workflows, and multi-turn assistants
- RAG, semantic search, memory, and vector-database applications
- On-chain and blockchain-agent workflows
- Browser/WASM AI applications and portable single-binary services
- Querying and analyzing blockchain/subgraph data with Python
- St. Jude
- Coral Protocol
- Neon
- Nethermind