Who founded Executor?

Executor was founded by Rhys Sullivan in 2026.

Who are Executor's investors?

Executor's investors include Vela Partners, Y Combinator.

Where is Executor headquartered?

Executor is headquartered in San Francisco, US.

Executor

YC S26

San Francisco, US · Founded 2026 · 1 employees · 2 known investors

Find your way into Executor

41 people in our graph share verified history with the Executor team — schools, employers, funds. One of them is your warm intro.

Daniel Breyerunlockedknows Rhys Sullivan · together at Epic Games (overlapped)

×8knows the team · via Epic Games

×2knows the team · via Champlain College

knows the team · via Dosu

Executor is a tool that normalizes API integrations from different protocols (MCP, OpenAPI, GraphQL, or custom) into a single uniform tool shape, letting AI agents call any tool through one interface with a sandboxed TypeScript runtime. It targets developers and teams building agent-based applications, offering per-user credentials, call tracing, and safety guardrails for destructive actions, available as cloud, desktop, and CLI options.

AI & Machine Learning Data & Infrastructure Developer Tools Enterprise Software SaaS AIOps Artificial IntelligenceUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S26)

Executor was founded in 2026 by Rhys Sullivan.

Rhys Sullivan in 𝕏FounderFounder of Executor, a tool that unifies API integrations across protocols so AI agents can call any tool through a single interface. He previously worked as a software engineer at Vercel, Microsoft, Raven Software, and Epic Games.

Investors · 2

Vela PartnersSan Francisco · $100K – $500K

Y CombinatorSan Francisco · $500K

Competitors · 2

by search overlap

Roblox8 shared keywordsRoblox operates an online platform where users sign up to play and create games and interactive experiences. It offers a social gaming environment accessible across multiple devices.

Steam5 shared keywordsSteam is a digital platform for purchasing, downloading, and playing video games, serving both individual gamers and game developers worldwide.

Companies competing with Executor for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Executor — One place to connect your agents to everythingycombinator.com · Aug 2026

What Happens if an Executor Spends All the Money? | Keystone Lawkeystone-law.com · Jul 2025

Frequently asked questions

What does Executor do?: Executor is a tool that normalizes API integrations from different protocols (MCP, OpenAPI, GraphQL, or custom) into a single uniform tool shape, letting AI agents call any tool through one interface with a sandboxed TypeScript runtime. It targets developers and teams building agent-based applications, offering per-user credentials, call tracing, and safety guardrails for destructive actions, available as cloud, desktop, and CLI options.
Who founded Executor?: Executor was founded by Rhys Sullivan in 2026.
Who are Executor's investors?: Executor's investors include Vela Partners, Y Combinator.
Where is Executor headquartered?: Executor is headquartered in San Francisco, US.