cluster
Agent infrastructure startup ideas and companies
Infrastructure FOR AI agents: orchestration, memory, evals, identity, agent payments, browser automation, self-maintaining APIs, MCP tooling.
627
companies tracked
324
from the last 2 years
36
startup-relevant federal grants ($16M)
Share of accelerator intake by year
Newest in the cluster
- MemorableY Combinator S27readiness
reducing agent reasoning into a graph search problem
- antimattrY Combinator F26readiness
voice-first hardware interface for human-agent interaction
- The Company CompanyY Combinator F26readiness
The last agent your company will ever need.
- herdrY Combinator F26readiness
building the open agent runtime
- MirrorsY Combinator F26readiness
Fix your AI agent's errors at runtime, so they never happen twice
- FaradayY Combinator F26readiness
Industrial aOS between humans, agents, and robots
- BoatY Combinator F26readiness
The best cloud VMs for billions of agents
- HueY Combinator F26readiness
Test agents in realistic worlds built from production usage
- SimanticY Combinator F26readiness
Firmware simulation for AI agents
- ORO AIY Combinator F26readiness
Continuously improving evals for agentic commerce
- Agent 37Y Combinator F26readiness
Persistent sandboxes for agents like hermes, openclaw, claude code
- PapayaY Combinator F26readiness
Continuous optimization for AI agents
Most AI-visible
Highest AEO scores - how well AI assistants can read and cite them.
- Confident AI70
- Nexus70
- Kaelio70
- Chamber69
- Hamming AI69
- Hamming69
- Blaxel68
- Jinba67
Recent rounds
- Mireye Inc.Form D$1M
- Graniteunknown$0K
- Kontextunknown$4M
- Boxdunknown$2M
- HILstart, Inc.Form D$500K
By program
- Y Combinator364
- Plug and Play59
- Antler44
- Techstars40
- a16z speedrun31
- South Park Commons17
- Seedcamp15
- 500 Global12
- AI Grant12
- Entrepreneur First9
- Berkeley SkyDeck8
- Pear VC7
- Alchemist Accelerator7
- SOSV2
Browse all 627 Agent infrastructure companies →
Updated hourly from accelerator directories, funding news and federal grant data.