{"schema_version":"onlylabs.public_signal.v1","title":"Anthropic Repo: anthropics/claudes-c-compiler","description":"Anthropic repo signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/aa6fb698-2663-403c-b57a-40ea3a451386","json_url":"https://onlylabs.fyi/signals/aa6fb698-2663-403c-b57a-40ea3a451386/signal.json","generated_at":"2026-06-11T02:53:07.49556+00:00","org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/anthropic","dossier_json_url":"https://onlylabs.fyi/labs/anthropic/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/aa6fb698-2663-403c-b57a-40ea3a451386","signal_json":"https://onlylabs.fyi/signals/aa6fb698-2663-403c-b57a-40ea3a451386/signal.json","source":"https://github.com/anthropics/claudes-c-compiler","lab_dossier":"https://onlylabs.fyi/labs/anthropic","lab_dossier_json":"https://onlylabs.fyi/labs/anthropic/dossier.json","analysis":"https://onlylabs.fyi/analysis/anthropic","analysis_json":"https://onlylabs.fyi/analysis/anthropic/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/anthropic/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":null,"topic_signals_json":null,"topic_feed":null,"data_business":null},"answer_pack":{"answer":"Anthropic published anthropics/claudes-c-compiler (Rust). This repository signal exposes tooling, eval, infrastructure, or model-adjacent work before it may appear in a launch post. High-signal details: repo anthropics/claudes-c-compiler · language Rust · Notable new repo from Anthropic, moderate stars. onlylabs links this event to 1 captured evidence page and 6 related repo signals.","signal_desk":"repos","source_context":{"source_url":"https://github.com/anthropics/claudes-c-compiler","source_host":"github.com","occurred_at":"2026-02-04T22:42:22+00:00","first_seen_at":"2026-06-05T05:42:58.841369+00:00","date_source":"source","context":"Rust"},"context_markers":[{"label":"Lab","value":"Anthropic","source":"signal"},{"label":"Signal desk","value":"repos","source":"signal"},{"label":"Source host","value":"github.com","source":"source"},{"label":"Repository","value":"anthropics/claudes-c-compiler","source":"source"},{"label":"Language","value":"Rust","source":"source"},{"label":"Stars","value":"2,704","source":"traction"},{"label":"Notability","value":"Notable new repo from Anthropic, moderate 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can expose organization build priorities early, especially around internal tooling, eval infrastructure, data systems, deployment, and agent workflows.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/aa6fb698-2663-403c-b57a-40ea3a451386/signal.json","required":true},{"label":"source","url":"https://github.com/anthropics/claudes-c-compiler","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/anthropic/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/anthropic/evidence.json","required":true},{"label":"topic_signals_json","url":null,"required":false},{"label":"data_radar_json","url":null,"required":false}],"expected_output":["one-paragraph source-grounded interpretation","category-specific implication","confidence and missing evidence","recommended next source to inspect"],"prompt_seed":"Using only the linked onlylabs JSON, captured source context, and cited evidence, analyze Anthropic's repo signal \"anthropics/claudes-c-compiler\" for frontier lab strategy."},"semantic_triples":[{"subject":"Anthropic","predicate":"published repo","object":"anthropics/claudes-c-compiler","text":"Anthropic published repo anthropics/claudes-c-compiler."},{"subject":"anthropics/claudes-c-compiler","predicate":"is classified as","object":"repo signal","text":"anthropics/claudes-c-compiler is classified as repo signal."},{"subject":"anthropics/claudes-c-compiler","predicate":"belongs to","object":"repos desk","text":"anthropics/claudes-c-compiler belongs to repos desk."},{"subject":"anthropics/claudes-c-compiler","predicate":"has context","object":"Rust","text":"anthropics/claudes-c-compiler has context Rust."},{"subject":"anthropics/claudes-c-compiler","predicate":"has evidence coverage","object":"1 captured evidence page","text":"anthropics/claudes-c-compiler has evidence coverage 1 captured evidence page."},{"subject":"anthropics/claudes-c-compiler","predicate":"has captured page count","object":"1","text":"anthropics/claudes-c-compiler has captured page count 1."},{"subject":"anthropics/claudes-c-compiler","predicate":"has readable page count","object":"1","text":"anthropics/claudes-c-compiler has readable page count 1."},{"subject":"anthropics/claudes-c-compiler","predicate":"has related signal count","object":"6","text":"anthropics/claudes-c-compiler has related signal count 6."},{"subject":"anthropics/claudes-c-compiler","predicate":"has analysis playbook objective","object":"Turn new repository signals into early evidence of tooling, eval, infrastructure, model-adjacent, or product work before it appears in polished launch channels.","text":"anthropics/claudes-c-compiler has analysis playbook objective Turn new repository signals into early evidence of tooling, eval, infrastructure, model-adjacent, or product work before it appears in polished launch channels.."},{"subject":"anthropics/claudes-c-compiler","predicate":"has source host","object":"github.com","text":"anthropics/claudes-c-compiler has source host github.com."},{"subject":"anthropics/claudes-c-compiler","predicate":"has lab","object":"Anthropic","text":"anthropics/claudes-c-compiler has lab Anthropic."},{"subject":"anthropics/claudes-c-compiler","predicate":"has signal desk","object":"repos","text":"anthropics/claudes-c-compiler has signal desk repos."},{"subject":"anthropics/claudes-c-compiler","predicate":"has source host","object":"github.com","text":"anthropics/claudes-c-compiler has source host github.com."},{"subject":"anthropics/claudes-c-compiler","predicate":"has repository","object":"anthropics/claudes-c-compiler","text":"anthropics/claudes-c-compiler has repository anthropics/claudes-c-compiler."},{"subject":"anthropics/claudes-c-compiler","predicate":"has language","object":"Rust","text":"anthropics/claudes-c-compiler has language Rust."},{"subject":"anthropics/claudes-c-compiler","predicate":"has 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This repository signal exposes tooling, eval, infrastructure, or model-adjacent work before it may appear in a launch post. High-signal details: repo anthropics/claudes-c-compiler · language Rust · Notable new repo from Anthropic, moderate stars. onlylabs links this event to 1 captured evidence page and 6 related repo signals.","semantic_triples":[{"subject":"Anthropic","predicate":"published repo","object":"anthropics/claudes-c-compiler","text":"Anthropic published repo anthropics/claudes-c-compiler."},{"subject":"anthropics/claudes-c-compiler","predicate":"is classified as","object":"repo signal","text":"anthropics/claudes-c-compiler is classified as repo signal."},{"subject":"anthropics/claudes-c-compiler","predicate":"belongs to","object":"repos desk","text":"anthropics/claudes-c-compiler belongs to repos desk."},{"subject":"anthropics/claudes-c-compiler","predicate":"has context","object":"Rust","text":"anthropics/claudes-c-compiler has context Rust."},{"subject":"anthropics/claudes-c-compiler","predicate":"has evidence coverage","object":"1 captured evidence page","text":"anthropics/claudes-c-compiler has evidence coverage 1 captured evidence page."}]},"signal":{"id":"aa6fb698-2663-403c-b57a-40ea3a451386","url":"https://onlylabs.fyi/signals/aa6fb698-2663-403c-b57a-40ea3a451386","json_url":"https://onlylabs.fyi/signals/aa6fb698-2663-403c-b57a-40ea3a451386/signal.json","source_url":"https://github.com/anthropics/claudes-c-compiler","title":"anthropics/claudes-c-compiler","summary":"Anthropic published a new repository. onlylabs watches repos for tooling, eval, infra, and model-adjacent work.","context":"Rust","kind":{"key":"repo_new","label":"Repo"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-02-04T22:42:22+00:00","first_seen_at":"2026-06-05T05:42:58.841369+00:00","date_source":"source","evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://github.com/anthropics/claudes-c-compiler"]},"facets":{"repo":"anthropics/claudes-c-compiler","language":"Rust"},"traction":{"github_stars":2704,"hn_points":1,"hn_comments":0,"hn_story_id":"46909391","hf_downloads":null,"hf_likes":null},"data_radar":null},"primary_evidence_page":{"url":"https://github.com/anthropics/claudes-c-compiler","final_url":"https://github.com/anthropics/claudes-c-compiler","title":"anthropics/claudes-c-compiler repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T02:53:07.49556+00:00","bytes":16617,"raw_path":"d43891a1705286e7c4c4e1ff965c814403271238f0aa2fe6b14fee6d56435671.json","content_hash":"61522e1fe116299225bfc97a7aea9386e1161b51295acbd313a08de593f1d33c","excerpt_chars":1200,"truncated":true,"excerpt":"anthropics/claudes-c-compiler Description: Claude Opus 4.6 wrote a dependency-free C compiler in Rust, with backends targeting x86 (64- and 32-bit), ARM, and RISC-V, capable of compiling a booting Linux kernel. Language: Rust License: CC0-1.0 Stars: 2704 Forks: 231 Open issues: 61 Created: 2026-02-04T22:42:22Z Pushed: 2026-02-05T17:14:51Z Default branch: main Fork: no Archived: no README: CCC — Claude's C Compiler A C compiler written entirely from scratch in Rust, targeting x86-64, i686, AArch64, and RISC-V 64. Zero compiler-specific dependencies — the frontend, SSA-based IR, optimizer, code generator, peephole optimizers, assembler, linker, and DWARF debug info generation are all implemented from scratch. Claude's C Compiler produces ELF executables without any external toolchain. > Note: With the exception of this one paragraph that was written by a human, 100% of the code and documentation in this repository was written by Claude Opus 4.6. A human guided some of this process by writing test cases that Claude was told to pass, but never interactively pair-programmed with Claude to debug or to provide feedback on code quality. 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Language: Rust License: CC0-1.0 Stars: 2704 Forks: 231 Open issues: 61 Created: 2026-02-04T22:42:22Z Pushed: 2026-02-05T17:14:51Z Default branch: main Fork: no Archived: no README: CCC — Claude's C Compiler A C compiler written entirely from scratch in Rust, targeting x86-64, i686, AArch64, and RISC-V 64. Zero compiler-specific dependencies — the frontend, SSA-based IR, optimizer, code generator, peephole optimizers, assembler, linker, and DWARF debug info generation are all implemented from scratch. Claude's C Compiler produces ELF executables without any external toolchain. > Note: With the exception of this one paragraph that was written by a human, 100% of the code and documentation in this repository was written by Claude Opus 4.6. A human guided some of this process by writing test cases that Claude was told to pass, but never interactively pair-programmed with Claude to debug or to provide feedback on code quality. 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