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Tejas Kumar

Tejas Kumar — An agent harness is everything around an AI model that grounds it in reality: tools,…

Tejas Kumar is An agent harness is everything around an AI model that grounds it in reality: tools, context, guardrails, the loop and verification. How to build one.. It is ranked #760 on the AI Radar, in AI agents, first seen 35 days ago and shared in 9 posts (100.5k views).

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What Is an Agent Harness? Harness Engineering Explained Tejas Kumar . Dark What Is an Agent Harness? Harness Engineering Explained Sep 14, 2026 / 9 min read / Share on 𝕏 By Tejas Kumar , AI Engineer at IBM An agent harness is everything around the model that gives it grounding in reality: the tools it can call, the context it sees, the guardrails that stop it, the loop that drives it, and the checks that verify what it claims. I once told GPT-3.5 Turbo to upvote the top story on Hacker News . It landed on a login page, did nothing, and reported success anyway. In this post we’ll fix that agent together, one piece of harness at a time,…

What people said about Tejas Kumar on X

next tuesday i am speaking at @aiDotEngineer code summit where i teach for 60 min how to build a harness from an empty loop. here's the blog post before the talk. https://tej.as/blog/how-to-build-a-coding-agent-harness

— @TejasKumar_, 1 days ago · 39 likes · see the post

i did this in 2018 with more traditional ai. used it in this talk. → https://tej.as/#jsconf-eu

— @TejasKumar_, 13 days ago · 1 likes · see the post

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FAQ

What is Tejas Kumar?

An agent harness is everything around an AI model that grounds it in reality: tools, context, guardrails, the loop and verification. How to build one. It was first shared on X 35 days ago and is ranked #760 on the AI Radar.

Is Tejas Kumar free?

Yes, it is free to use.

Who shared Tejas Kumar?

3 accounts on X, including @TejasKumar_, in 9 posts totalling 100.5k views.

Every post is read and classified by AGK Intelligence: what it is, which market it belongs to, and whether the link is a real tool. 65.6k posts from 5k X accounts over the last 14 days, 10.4k tools, 19 markets. New posts are collected several times an hour and the full ranking is recomputed every hour — last update 2026-11-06 15:10 UTC. Full method.