CodeCrucible: A blueprint for LLM-driven SAST
~/posts/codecrucible-a-blueprint-for-llm-driven-sast...$ cd .. That release is not really why this post exists. "LLM-driven SAST" is an established category, and this particular tool will probably age.
- ▪~/posts/codecrucible-a-blueprint-for-llm-driven-sast...$ cd ..
- ▪That release is not really why this post exists.
- ▪"LLM-driven SAST" is an established category, and this particular tool will probably age.
Hacker News (AI / LLM) files mainly under ai. We currently carry 2,711 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
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Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | Block Engineering Blog |
| Canonical URL | https://engineering.block.xyz/blog/codecrucible-a-blueprint-for-llm-driven-sast |
| Publication time | Wed, 29 Jul 2026 08:53:51 +0000 |
| Retrieval time | 2026-07-29T09:01:01.371Z |
| Last seen | 2026-07-29T09:01:01.371Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | 4TCV1UZz5Dse · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
~/posts/codecrucible-a-blueprint-for-llm-driven-sast...$ cd .. EngineeringJuly 1, 2026CodeCrucible: A blueprint for LLM-driven SASTHow we built a whole-repo AI security scanner and the tradeoffs that made it useful$ git blameCommit HashAuthorSocials0002e49Clinton Carpene00034d0Alex Rosenzweig00025fcAndrew Kitis$ cat content.mdToday we're releasing CodeCrucible, a new LLM-driven static application security testing (SAST) tool for vulnerability discovery. That release is not really why this post exists. "LLM-driven SAST" is an established category, and this particular tool will probably age. What will last longer is the blueprint: the design choices, tradeoffs, and reference codebase that let other teams adapt the approach to their own pipelines and keep iterating on it.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Block Engineering Blog.
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