{"type":"post","id":"chris-wellons-releases-prospero-a-native-c-dear-09da4f","slug":"chris-wellons-releases-prospero-a-native-c-dear-09da4f","title":"Chris Wellons releases Prospero, a native C++ Dear ImGui coding-agent harness using about 100x fewer resources","description":"Chris Wellons has released Prospero, a native C++ coding-agent harness with a Dear ImGui interface and a design focused on low resource use and bounded operations.","retrieval_nugget":"Chris Wellons has released Prospero, a native C++ coding-agent harness with a Dear ImGui interface and a design focused on low resource use and bounded operations. The source claims roughly 100-fold lower resource consumption than web-stack harnesses; its features make it a practical alternative to evaluate for long-running or locally hosted agent work.","published_at":"2026-11-01","updated_at":"2026-11-01","record_date":"2026-11-01","date_kind":"published_at","topics":["anthropic"],"entities":["Prospero","Chris Wellons","Dear ImGui","OpenRouter","Anthropic","OpenAI","llama.cpp"],"related_patterns":["harness-architecture-outlives-model-choice"],"novelty_label":"new_fact","what_changed":"Chris Wellons releases Prospero, a distinct native C++ Dear ImGui coding-agent harness claiming about 100x lower resource use; no prior document covers this release.","prior_refs":[],"source_url":"https://nullprogram.com/blog/2026/10/31","source_urls":["https://nullprogram.com/blog/2026/10/31"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:chris-wellons-releases-prospero-a-native-c-dear-09da4f","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/chris-wellons-releases-prospero-a-native-c-dear-09da4f/","markdown":"https://newruntime.com/posts/chris-wellons-releases-prospero-a-native-c-dear-09da4f.md","json":"https://newruntime.com/posts/chris-wellons-releases-prospero-a-native-c-dear-09da4f.json"},"next_reads":[{"type":"topic","path":"/topics/anthropic/","url":"https://newruntime.com/topics/anthropic/","title":"Anthropic","reason":"Explore the anthropic topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/anthropic.md","json_url":"https://newruntime.com/topics/anthropic.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}