toolcompass.

Find your next AI tool

Search by product name or task. Press Escape to close.

Persona.js pricing

● Identity checked

JavaScript agent interface library · Official-source review 2026-10-09

Persona.js is a vanilla JavaScript library for floating, docked or fullscreen agent interfaces. It streams from an SSE backend and discovers page tools through WebMCP with a user-approval interface.

Updated 2026-10-09View sources
Official website
Category
JavaScript agent interface library
Free access
Package and examples are public; software license, hosted Runtype prices and ongoing free allowances were not established from this page.
API access
JavaScript npm/script integration, configurable SSE adapters and WebMCP page tools; examples for AI SDK, OpenAI Agents, LangGraph, Hono and other backends.

Understand the total cost

Persona.js pricing & plans

Pricing

Not listed

Official monthly price not confirmed

API
JavaScript npm/script integration, configurable SSE adapters and WebMCP page tools; examples for AI SDK, OpenAI Agents, LangGraph, Hono and other backends.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Official product information

Current official product source read individually; product artwork inspected visually.

Read original source ↗
Pricing review

Official product page reviewed for disclosed costs; unverified prices and allowances are identified in the listing.

Read original source ↗

Facts apply to the named version and check date. Send a sourced correction if something changed.

Persona.js pricing questions

Is Persona.js free?

Persona.js offers a way to start free, but not a standard ongoing plan. Package and examples are public; software license, hosted Runtype prices and ongoing free allowances were not established from this page.

How much does Persona.js cost?

Persona.js does not publish a monthly price we could confirm.

Does Persona.js have an API?

API or developer access is mentioned. JavaScript npm/script integration, configurable SSE adapters and WebMCP page tools; examples for AI SDK, OpenAI Agents, LangGraph, Hono and other backends.