Skip to content
ChatGPT developer mode through a public HTTPS MCP endpoint. 
Claude Desktop through a local MCP server. 
Open source TypeScript runtime for the agentic age
One capability. Every surface agents and humans need.
Photon turns a single .photon.ts file into MCP tools, CLI commands, Beam apps, embedded chat UIs, web routes, scheduled jobs, webhooks, retries, and verifiable runtime contracts.
gh repo star portel-dev/photon
ChatGPT + Claude proofOne weather Photon renders inside both clients.Low cognitive loadMethods, comments, tags, state, settings, and surfaces.Production stackRoutes, webhooks, schedules, locks, auth, formats, and more.
The core move
Write intent once. Photon derives the interfaces around it.
Real clients
The same Photon can show up where work actually happens.
Choose your path
Start with the shape of the thing you want to build.
Mental model
Small enough to verify. Useful enough to compose.
Portel ecosystem
Photon builds reliable capabilities. NCP helps agents find and use them.
Use Photon when you want to turn TypeScript into trusted tools, apps, routes, schedules, and workflows. Use NCP when an agent needs one natural MCP interface over a larger tool ecosystem.