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Effect Agent

Effect Agent — An agent harness toolkit for TypeScript, built on Effect and Effect AI.

Effect Agent is An agent harness toolkit for TypeScript, built on Effect and Effect AI.. It is ranked #1165 on the Dev Radar, in AI dev tools, first seen 17 days ago and shared in 1 post (2.8k views).

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Effect Agent Skip to content Effect Agent Search ⌘ Ctrl K Appearance Effect Agent An agent harness toolkit for TypeScript, built on Effect and Effect AI. Get started → Introduction → planner.ts tools.ts setup.ts ts import { AnthropicLanguageModel } from " @effect/ai-anthropic " ; import { Effect , Schema } from " effect " ; import { Agent , AgentRuntime } from " effect-agent " ; import { AppLive } from " ./setup " ; import { TravelTools } from " ./tools " ; export const TravelPlanner = Agent . make ( " travel-planner " , { input : Schema . Struct ({ city : Schema . String , days : Schema . Int . check ( Schema . isGreaterThan ( 0 )) }) ,…

What people said about Effect Agent on X

Whenever I evaluate a developer framework for agents, one of the first things I look for is the seam between deterministic and non-deterministic code. Effect Agent has one of the best seams I’ve seen so far. Model inputs and outputs look like ordinary typed Effect values. Everyone is searching for the right…

@JoshARosen, 17 days ago · 20 likes · see the post

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FAQ

What is Effect Agent?

An agent harness toolkit for TypeScript, built on Effect and Effect AI. It was first shared on X 17 days ago and is ranked #1165 on the Dev Radar.

Is Effect Agent free?

Pricing is not stated on the page we read.

Who shared Effect Agent?

1 account on X, including @JoshARosen, in 1 post totalling 2.8k views.

Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 12.2k posts from 4.7k X accounts over the last 21 days, 1.4k tools, 12 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-19 18:06 UTC. Full method.