--- title: Letting Claude Play Text Adventures | daily.dev description: An experiment in building cognitive architectures for LLM agents using text adventure games as evaluation tasks. The author implements multiple harnesses for... canonical: https://daily.dev/posts/letting-claude-play-text-adventures-yafm1dd3z twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Letting Claude Play Text Adventures | daily.dev og:description: An experiment in building cognitive architectures for LLM agents using text adventure games as evaluation tasks. The author implements multiple harnesses for... og:url: https://daily.dev/posts/letting-claude-play-text-adventures-yafm1dd3z og:image: https://api.daily.dev/og/posts/YAFm1dD3z.png og:image:alt: Letting Claude Play Text Adventures og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Letting Claude Play Text Adventures **[Hacker News](https://daily.dev/sources/hn)** · 10 min read · 1 upvotes · 0 comments ## Summary An experiment in building cognitive architectures for LLM agents using text adventure games as evaluation tasks. The author implements multiple harnesses for Claude to play Anchorhead, starting with a simple chat history approach that works but becomes expensive due to token usage. A memory-based harness with limited context and tool use reduces costs but degrades performance, causing Claude to wander aimlessly. The article explores challenges in agent memory management, context windows, and long-horizon task performance, proposing future improvements like domain-specific memories, automatic geography mapping, and episodic memory. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Harnessing Claude’s intelligence](https://daily.dev/posts/harnessing-claude-s-intelligence-x0y7hjoye) · Claude · 2 upvotes · 0 comments - [Reading across books with Claude Code](https://daily.dev/posts/reading-across-books-with-claude-code-77jdjhi5c) · Hacker News · 6 upvotes · 0 comments --- Tags: [#ai-agents](https://daily.dev/tags/ai-agents), [#claude](https://daily.dev/tags/claude), [#llm](https://daily.dev/tags/llm), [#python](https://daily.dev/tags/python) [View this post on daily.dev](https://daily.dev/posts/letting-claude-play-text-adventures-yafm1dd3z) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Letting Claude Play Text Adventures","url":"https://daily.dev/posts/letting-claude-play-text-adventures-yafm1dd3z","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/letting-claude-play-text-adventures-yafm1dd3z"},"datePublished":"2026-01-22T03:05:57.980Z","dateModified":"2026-03-15T03:25:37.192Z","description":"An experiment in building cognitive architectures for LLM agents using text adventure games as evaluation tasks. 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