Active companies
Companies their accelerator lists as active, or whose site is alive. 17,221 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| AmikaAI Infra to build your own software factory | Agent infrastructureAI coding agents infrastructure | Y CombinatorF25 | Active | checked 2026-08-23 |
| AsideAI The browser built to do real work for you | Agent infrastructureAI browser automation platform | Y CombinatorF25 | Active | checked 2026-08-23 |
| Bolna AIAI Voice AI to enable India's next billion | Agent infrastructureVoice AI orchestration platform | Y CombinatorF25 | Active | checked 2026-08-23 |
| dari.devAI The Routing Layer for AI Agents | Agent infrastructureAI agent routing and cost optimization | Y CombinatorF25 | Active | checked 2026-08-23 |
| hillclimbAI Training Data for Recursive Self-Improvement | Agent infrastructureAI agent training data for recursive improvement | Y CombinatorF25 | Active | checked 2026-08-23 |
| HyperspellAI Your Company Brain | Agent infrastructureContext management and memory for AI agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| Kestrel AIAI AI Agents for Platform Engineering | Agent infrastructureAI workflow automation for platform engineers | Y CombinatorF25 | Active | checked 2026-08-23 |
| LemmaAI Production Monitoring for AI agents | Agent infrastructureAI agent monitoring and observability | Y CombinatorF25 | Active | checked 2026-08-23 |
| LocusAI Payment infrastructure for AI agents | Agent infrastructurePayment rails for AI agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| Lua Global IncAI The mid-market agent platform | Agent infrastructureAgent orchestration and deployment platform | Y CombinatorF25 | Active | checked 2026-08-23 |
| MetorialAI Agentic infrastructure to power AI-native companies. | Agent infrastructureAI agent orchestration and governance | Y CombinatorF25 | Active | checked 2026-08-23 |
| MossAI Real-time semantic search for Conversational AI | Agent infrastructureReal-time semantic search for agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| MSPilotAI Turn AI adoption into a recurring revenue line. | Agent infrastructureAI agent deployment and monetization platform | Y CombinatorF25 | Active | checked 2026-08-23 |
| MultifactorAI Zero-trust authentication, authorization, and auditing for AI agents | Agent infrastructureAI agent security and access control | Y CombinatorF25 | Active | checked 2026-08-23 |
| NessieAI A shared context layer for you, your team, and your agents. | Agent infrastructureShared context and memory for AI agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| NexusAI We help non-technical teams build AI agents without engineers | Agent infrastructureno-code AI agent builder platform | Y CombinatorF25 | Active | checked 2026-08-23 |
| PerseusAI Applied Lab focused on Search in Latent Spaces. | Agent infrastructureSearch and retrieval for coding agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| RadiusAI Code and browse in the same place | Agent infrastructurebrowser automation and agent orchestration | Y CombinatorF25 | Active | checked 2026-08-23 |
| s2.dev API for unlimited, durable, real-time streams | Agent infrastructureDurable streams infrastructure for agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| Scott AIAI The planning layer for teams that build with coding agents | Agent infrastructureplanning and coordination for coding agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| SourcebotAI Helping humans and AI agents understand massive codebases | Agent infrastructurecode understanding for AI agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| Specific AWS for coding agents | Agent infrastructureCloud deployment for coding agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| The Context CompanyAI Monitor AI agents and understand user behavior | Agent infrastructureAI agent monitoring and observability | Y CombinatorF25 | Active | checked 2026-08-23 |
| The HogAI Real-time web intelligence API for AI agents and GTM teams | Agent infrastructureWeb intelligence API for agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| TreliumAI The Agent to Build Your Agents | Agent infrastructureAgent orchestration and deployment platform | Y CombinatorF25 | Active | checked 2026-08-23 |
| VelvetAI Infra and data for interactive AI. | Agent infrastructureInteractive AI data infrastructure | Y CombinatorF25 | Active | checked 2026-08-23 |
| AgentMailAI Email Inboxes for AI Agents | Agent infrastructureemail infrastructure for AI agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| AlterAI Secure access control and authorization platform for agent workflows | Agent infrastructureIdentity and access control for AI agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| Autumn Billing infrastructure for AI | Agent infrastructurebilling and payments infrastructure for AI apps | Y CombinatorS25 | Active | checked 2026-08-23 |
| ContextFortAI Visibility and Controls for Browser Agents | Agent infrastructureAI agent observability and controls | Y CombinatorS25 | Active | checked 2026-08-23 |
| CyberdeskAI Self learning computer use agent for developers | Agent infrastructureComputer use automation for developers | Y CombinatorS25 | Active | checked 2026-08-23 |
| Dedalus LabsAI Compute substrate for AI agents | Agent infrastructureagent compute and execution platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| FulcrumAI The agentic debugger for AI systems | Agent infrastructureAI agent debugging and red-teaming | Y CombinatorS25 | Active, new domain | 2026-08-23 |
| HalluminateAI Data and RL environments to automate knowledge work | Agent infrastructureComputer use AI training infrastructure | Y CombinatorS25 | Active | checked 2026-08-23 |
| idlerAI Hill-climb any benchmark, for any model, in any domain. | Agent infrastructureRL environment platforms for AI training | Y CombinatorS25 | Active | checked 2026-08-23 |
| ImpreziaAI The World's First AI Ad Network. | Agent infrastructureAI monetization and ad infrastructure | Y CombinatorS25 | Active | checked 2026-08-23 |
| InterfaceAI Building onestop.sh | Agent infrastructureAI agent marketplace and transaction layer | Y CombinatorS25 | Active | checked 2026-08-17 |
| KERNELAI Crazy fast, open source infra for AI agents to use the Internet | Agent infrastructureBrowser automation and internet access for AI agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| MangoDeskAI Long-horizon RL environments | Agent infrastructureRL training environments for agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| ManufactAI Cloud infrastructure for MCP servers and Claude / ChatGPT apps. | Agent infrastructureMCP server hosting and deployment | Y CombinatorS25 | Active | checked 2026-08-23 |
| MonteAI Continual Learning for Agents | Agent infrastructureContinual learning infrastructure for agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| NotteAI Reliable Web Agents for Enterprise | Agent infrastructurebrowser automation agents platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| NozomioAI product lab. focused on personal ai and context. | Agent infrastructureAI context and memory management | Y CombinatorS25 | Active | checked 2026-08-23 |
| OkibiAI Turns products into CLIs and agents into customers | Agent infrastructureAI agent CLI generation and integration | Y CombinatorS25 | Active | checked 2026-08-23 |
| OmnaraAI The Open-Source Alternative to Claude Managed Agents | Agent infrastructureOpen-source agent orchestration platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| PlaygentAI Sandboxes for AI agents | Agent infrastructureAI agent sandbox and testing infrastructure | Y CombinatorS25 | Active | checked 2026-08-23 |
| ProliferateAI Do your life's work with agents | Agent infrastructureagent orchestration and management | Y CombinatorS25 | Active | checked 2026-08-23 |
| stagewiseAI The Open Source Agentic IDE | Agent infrastructureagentic IDE for coding agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| TectoAIAI A Platform for AI Governance | Agent infrastructureAI agent governance and compliance platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| The Prompting CompanyAI We help products get discovered & used by AI agents. | Agent infrastructureAI agent discovery and integration optimization | Y CombinatorS25 | Active | checked 2026-08-23 |
| TraceAI Context-aware orchestration between humans and AI. | Agent infrastructureAI workflow orchestration platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| TraceRoot.AIAI Open source self-improving layer for AI agents | Agent infrastructureAI agent observability and self-healing | Y CombinatorS25 | Active | checked 2026-08-23 |
| truthsystemsAI Automatically blocking risky behavior with real-time governance agents | Agent infrastructureAI governance and compliance agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| WedgeAI Palantir for Healthcare AI Agents | Agent infrastructureAI agent orchestration for healthcare | Y CombinatorS25 | Active | checked 2026-08-23 |
| AirweaveAI The open-source context retrieval layer for agents | Agent infrastructureContext retrieval for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| Alpha ResearchAI Open source, agentic knowledge bases for all of humanity's knowledge. | Agent infrastructureagentic knowledge retrieval platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| AuctorAI The agentic operating system for modern system integrators. | Agent infrastructureagent orchestration for integrators | Y CombinatorX25 | Active | checked 2026-08-23 |
| AviroAI Environments for Long Horizon Tool Use | Agent infrastructureRL training environments for multi-step tool use | Y CombinatorX25 | Active | checked 2026-08-23 |
| BlaxelAI The perpetual sandbox platform | Agent infrastructureSandbox execution platform for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| BluejayAI Test, monitor, and improve your voice and chat AI agents | Agent infrastructureAI agent monitoring and evaluation | Y CombinatorX25 | Active | checked 2026-08-23 |
| CapacitiveAI The data gateway for agents. | Agent infrastructureData access and permissions for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| ClarmAI Build governed AI agents on your own data, without code | Agent infrastructureAI agent governance and compliance platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| CuaAI Give every agent a cloud desktop | Agent infrastructureCloud desktop for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| HelixDBAI The fastest & most scalable graph-vector database on the market | Agent infrastructuregraph-vector database for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| Kaelio The open-source context layer for data agents | Agent infrastructureContext layer for data agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| KaizenAI Automate anything on the web. | Agent infrastructurebrowser automation and agent orchestration | Y CombinatorX25 | Active | checked 2026-08-23 |
| KashikoiAI Simulation Engine for Benchmarking AI Products | Agent infrastructureAI agent benchmarking and evaluation | Y CombinatorX25 | Active | checked 2026-08-23 |
| LibrettoAI Turn website workflows into reliable APIs | Agent infrastructureBrowser automation and workflow codegen for agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| MesmerAI The operating system for the 100x Engineering Team | Agent infrastructureagentic engineering team orchestration | Y CombinatorX25 | Active | checked 2026-08-23 |
| Naïve Autonomous Company Infrastructure | Agent infrastructureautonomous business infrastructure stack | Y CombinatorX25 | Active | checked 2026-08-23 |
| nao LabsAI Open Source Analytics Agent | Agent infrastructureAnalytics agent framework and deployment | Y CombinatorX25 | Active | checked 2026-08-23 |
| ParsewiseAI Multi-document processing for your risk teams, AI agents, pipelines | Agent infrastructureMulti-document processing for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| PrismAI Deploy AI Agents with a Single API Call | Agent infrastructureAI agent deployment platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| RefreshAI Training gyms for computer use and software engineering work | Agent infrastructureRL training environments for agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| RunRLAI Reinforcement learning as a service | Agent infrastructureRL optimization for LLM agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| SimAI The AI Workspace for Building and Managing AI Agents. | Agent infrastructureAI agent workflow orchestration | Y CombinatorX25 | Active | checked 2026-08-23 |
| SixtyfourAI Intelligence Infrastructure on People and Entities | Agent infrastructureAI agent infrastructure for intelligence | Y CombinatorX25 | Active | checked 2026-08-23 |
| AsteroidAI The integration layer for healthcare: EHRs, payer portals & more | Agent infrastructurehealthcare data integration automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| Browser UseAI Leading open-source web agent project with 50k stars in 3 months | Agent infrastructurebrowser automation for AI agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| BudAI Agent with a computer | Agent infrastructureautonomous agent orchestration platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| Butter Embedded Sandboxes for Agents | Agent infrastructurelightweight sandbox runtime for agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| Confident AIAI The LLM Eval and Observability Platform for AI Quality | Agent infrastructureLLM evaluation and observability platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| Corsair Connect your users to their apps | Agent infrastructureAPI integration for agents and workflows | Y CombinatorW25 | Active | checked 2026-08-23 |
| InvoAI infra for computer use agents | Agent infrastructurecomputer use agent infrastructure | Y CombinatorW25 | Active | checked 2026-08-23 |
| Lucidic AIAI Reimagining how Machines Learn | Agent infrastructureAI agent learning and personalization system | Y CombinatorW25 | Active | checked 2026-08-23 |
| MastraAI The Javascript framework for building AI agents, from the Gatsby devs | Agent infrastructureAI agent framework and orchestration | Y CombinatorW25 | Active | checked 2026-08-23 |
| RoarkAI Test, monitor, and improve your voice agents | Agent infrastructureVoice agent monitoring and evaluation | Y CombinatorW25 | Active | checked 2026-08-23 |
| TrainLoopAI Reasoning Fine-Tuning | Agent infrastructureReinforcement learning fine-tuning for LLMs | Y CombinatorW25 | Active | checked 2026-08-23 |
| Truffle AIAI AWS for AI Agents | Agent infrastructureAgent API infrastructure | Y CombinatorW25 | Active | checked 2026-08-23 |