{"slug": "aissuer-calibrated-on-500-hard-issues-from-mature-software", "title": "AIssuer – calibrated on 500 hard issues from mature software", "summary": "AIssuer, a host-first plugin for Codex, Claude, and Cursor, finds late-discovered bugs in mature software by mapping the repository, reviewing intent versus implementation, hunting for hidden failure paths, and probing shortlisted issues with deterministic evidence. The plugin achieved a validated historical benchmark of 40 out of 40 cases inside the top 20, and is available under an MIT license.", "body_md": "Finds an issue before production does.\n\nAIssuer is a host-first plugin for Codex, Claude, and Cursor. It starts by mapping the repository, then checks intended behavior, then hunts the harder mature-repo bugs, and finally probes the shortlist with deterministic evidence.\n\n``` php\nflowchart TD\n  A[\"Repository Recon\"] --> B[\"Repository Intent Review\"]\n  B --> C[\"Issue Hunt\"]\n  C --> D[\"Issue Probe\"]\n  A --- E[\"snapshot, entrypoints, graph\"]\n  B --- F[\"intent vs implementation\"]\n  C --- G[\"late-discovered bugs\"]\n  D --- H[\"deterministic evidence\"]\n```\n\n| Level | Skill | Focus |\n|---|---|---|\n| Understand | `Repository Recon` |\nsnapshot, entrypoints, graph, repository map |\n| Check intent | `Repository Intent Review` |\nintended behavior vs implementation |\n| Hunt | `Issue Hunt` |\nmature bugs, drift, edge cases, hidden failure paths |\n| Probe | `Issue Probe` |\ndeterministic evidence for shortlisted issues |\n\nPaste one of these prompts into the host you want to use.\n\nCodex:\n\n```\nAdd https://github.com/hi-mundo/AIssuer as a plugin source or marketplace for this workspace, install the AIssuer plugin, enable it here, and confirm the plugin is active. After installed show me the capabilities and examples of how to use.\n```\n\nClaude:\n\n```\nAdd https://github.com/hi-mundo/AIssuer as a plugin source or marketplace for this project, install the AIssuer plugin, enable it here, and confirm the plugin is active. After installed show me the capabilities and examples of how to use.\n```\n\n- plugin inside Codex, Claude, or Cursor\n- BYOK-compatible local execution for testing and automation\n- CLI surfaces for evals, benchmarks, and manual runs\n\n- validated historical benchmark: 40/40 cases inside the top 20\n- details:\n[benchmarks/README.md](/hi-mundo/AIssuer/blob/main/benchmarks/README.md) - method:\n[PAPER.md](/hi-mundo/AIssuer/blob/main/PAPER.md) - implementation:\n[IMPLEMENTATION.md](/hi-mundo/AIssuer/blob/main/IMPLEMENTATION.md) - usage modes:\n[USAGE.md](/hi-mundo/AIssuer/blob/main/USAGE.md) - eval runtime:\n[evals/README.md](/hi-mundo/AIssuer/blob/main/evals/README.md)\n\nMost AI code review is still too shallow for late-discovered bugs in mature software. AIssuer is meant to make the agent ask better questions before it guesses:\n\n- what is the product supposed to guarantee\n- where does the implementation drift from intent\n- which surfaces are historically brittle\n- which hypotheses are worth probing first\n\nMIT", "url": "https://wpnews.pro/news/aissuer-calibrated-on-500-hard-issues-from-mature-software", "canonical_source": "https://github.com/hi-mundo/AIssuer", "published_at": "2026-07-28 22:01:02+00:00", "updated_at": "2026-07-28 22:22:43.473389+00:00", "lang": "en", "topics": ["ai-tools", "developer-tools", "artificial-intelligence", "ai-agents"], "entities": ["AIssuer", "Codex", "Claude", "Cursor", "GitHub", "hi-mundo"], "alternates": {"html": "https://wpnews.pro/news/aissuer-calibrated-on-500-hard-issues-from-mature-software", "markdown": "https://wpnews.pro/news/aissuer-calibrated-on-500-hard-issues-from-mature-software.md", "text": "https://wpnews.pro/news/aissuer-calibrated-on-500-hard-issues-from-mature-software.txt", "jsonld": "https://wpnews.pro/news/aissuer-calibrated-on-500-hard-issues-from-mature-software.jsonld"}}