& Part of the [&] ecosystem

Ship portable
agents, faster.

WebHost.Systems is a multi-runtime AI agent deployment platform. One control plane — deploy to Cloudflare Workers or AWS Bedrock AgentCore. Immutable deploys, signed telemetry, metered usage. TypeScript-first.

What You Get

Multi-runtime portability behind a single abstraction (Cloudflare by default, AgentCore for enterprise).
Immutable deployments with rollback via an active deployment pointer.
Stable invocation via invoke/v1, opaque session IDs, and optional SSE streaming.
Secure metering + secrets: signed telemetry, usage aggregation, plan limit enforcement.
System Capabilities
Infrastructure that disappears.
01 — Multi-Runtime

Runtime Portability

One abstraction. Cloudflare Workers + Durable Objects by default, AWS Bedrock AgentCore for enterprise. Same API, same agent code.

02 — Immutable

Sealed Deploys

Every deploy is a snapshot. Rollback via deployment pointer. No drift, no surprises, full auditability from day one.

03 — Invoke

Stable Endpoints

Reach any agent via invoke/v1 with opaque session IDs and optional SSE streaming.

04 — Metered

Secure Telemetry

Signed telemetry events, usage aggregation with plan limit enforcement. Provider-native secret mechanisms only.

05 — Typed

TypeScript-First

Full type safety from config to deploy. SDK, CLI, and APIs designed for the TypeScript developer experience.

06 — Protocol

[&] Native

MCP + A2A bindings, capability composition, and governance constraints are first-class citizens.

Internals
Two planes, one surface.
Control Plane

UI + APIs

Dashboard, deploys, configuration, secrets, telemetry, billing, and plan enforcement. The system of record.

ConvexTypeScriptAuthBilling
Data Plane

Agent Runtime

Where agents execute. Cloudflare Workers + Durable Objects as default, AgentCore for premium isolation.

CF WorkersDurable ObjectsAgentCoreSSE
Ecosystem Integration
The & composes. We run it.
ampersand.json

From spec to production

WebHost.Systems is the runtime layer of the [&] Protocol. Define capabilities, validate contracts at compile time, and deploy to metered, fault-tolerant infrastructure with a single command.

Deploy your first agent.

TypeScript SDK, CLI tooling, and a dashboard — from ampersand.json to production.

Launch Dashboard →