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Size is not a defect on its own — some problems genuinely live in one place — but these are where merge conflicts, review fatigue and single-owner knowledge concentrate, and they are the first thing that slows an inheriting engineer down.","context_why":"A note that does not affect this rating: measured against its own codebase's median, it is below the 85th percentile of 382 surveyed projects' largest files, where this check begins to count."}],"signals_run":11,"conclusive_signals":10,"what_a_person_adds":[{"id":"01.38","kind":"H+","where":"The team","measured":"The tree carries design documentation (apps/opik-documentation/documentation/fern/img/self-host/architecture.drawio and 2 more).","question":"Does it match what the team believes today? 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A retry turns a flaky test green without saying why it failed, so a green build means the tests passed eventually. Ask how many retries a typical run needs, and which tests need them.","context_why":"A note that does not affect this rating: notes like it are common in well-run projects."},{"id":"02.24","band":"adequate","layer":"deterministic","title":"5% of recent commits change more than 2,000 lines","signal":"commit_size","weight":"corroborating","evidence":[{"ref":"git log --numstat","kind":"metric","detail":"299 commits over 2,000 lines"}],"observed":{"share":0.052,"commits":5704,"over_2000_lines":299},"dimension":"02","rationale":"299 of 5704 commits in the last 24 months changed over 2,000 lines of code, not counting reformatting, renames, vendored or generated code. A change that size is rarely reviewed line by line. Ask how they were reviewed, and what made them that large."}],"signals_run":16,"conclusive_signals":15,"what_a_person_adds":[{"id":"02.32","kind":"H","where":"The code host's pull request data","question":"Is review real or a rubber stamp? 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Commit times cannot say: git keeps no reliable local time."},{"id":"03.32","kind":"H","where":"Interviews","question":"Does the team want to stay after close?"},{"id":"03.33","kind":"H","where":"Time with the team","question":"How are decisions made and disagreements resolved?"}]},{"id":"04","band":"adequate","name":"Product & Engineering Maturity","coverage":"minimal","findings":[{"id":"04.3","band":"adequate","layer":"deterministic","title":"103 direct dependencies in a single manifest","signal":"dependency_sprawl","weight":"corroborating","evidence":[{"ref":"direct-dependencies","kind":"path","path":"apps/opik-frontend/package.json","detail":"103 declared"},{"ref":"direct-dependencies","kind":"path","path":"apps/opik-sandbox-executor-python/requirements.txt","detail":"65 declared"},{"ref":"direct-dependencies","kind":"path","path":"apps/opik-python-backend/requirements.txt","detail":"34 declared"},{"ref":"direct-dependencies","kind":"path","path":"sdks/typescript/package.json","detail":"26 declared"}],"observed":{"set_aside":{"tests_end_to_end/e2e/package.json":"not product code (test)","tests_end_to_end/visual-tests/package.json":"not product code (test)","tests_load/tests/cutover_common/requirements.txt":"not product code (test)","apps/opik-documentation/documentation/package.json":"not product code (docs)","tests_end_to_end/test-helper-service/requirements.txt":"not product code (test)","apps/opik-documentation/documentation/requirements.txt":"not product code (docs)","sdks/python/tests/library_integration/adk/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/dspy/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/groq/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/genai/requirements.txt":"not product code (test)","tests_end_to_end/e2e/services/opik-sdk-driver/pyproject.toml":"not product code (test)","sdks/python/tests/library_integration/cohere/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/harbor/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/ollama/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/openai/requirements.txt":"not product code (test)","sdks/python/tests/e2e_library_integration/adk/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/aisuite/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/bedrock/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/litellm/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/mistral/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/cerebras/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/haystack/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/together/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/typesafe/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/agentspec/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/anthropic/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/langchain/requirements.txt":"not product code (test)","sdks/python/tests/e2e_library_integration/harbor/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/guardrails/requirements.txt":"not product code (test)","sdks/python/tests/e2e_library_integration/litellm/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/llama_index/requirements.txt":"not product code (test)","sdks/python/tests/e2e_library_integration/pydantic_ai/requirements.txt":"not product code (test)","sdks/python/tests/e2e_library_integration/opentelemetry/requirements.txt":"not product code (test)","sdks/python/tests/library_integration/metrics_with_llm_judge/requirements.txt":"not product code (test)"},"by_manifest":{"tests_load/requirements.txt":5,"sdks/typescript/package.json":26,"extensions/cursor/package.json":5,"apps/opik-frontend/package.json":103,"sdks/opik_optimizer/pyproject.toml":15,"apps/opik-python-backend/requirements.txt":34,"tests_load/suite/python_sdk/requirements.txt":3,"apps/opik-guardrails-backend/requirements.txt":11,"sdks/typescript/src/opik/configure/package.json":21,"apps/opik-sandbox-executor-python/requirements.txt":65,"apps/opik-documentation/python-sdk-docs/requirements.txt":16,"sdks/typescript/src/opik/integrations/opik-otel/package.json":1}},"dimension":"04","rationale":"apps/opik-frontend/package.json declares 103 direct dependencies. Each one is a maintenance obligation, a supply-chain surface and a potential licence question that transfers with the asset. The count says nothing about whether any given dependency was a good choice; it says how many such choices a buyer inherits."},{"id":"04.17","band":"adequate","layer":"deterministic","title":"Node.js 20 is past end of life","signal":"eol_runtime","weight":"corroborating","context":true,"evidence":[{"ref":"apps/opik-frontend/Dockerfile","kind":"path","path":"apps/opik-frontend/Dockerfile","detail":"Node.js 20, end of life 2026-04-30"}],"observed":{"pinned":["node 20","python 3.12"],"eol_as_of":"2026-09-24"},"dimension":"04","rationale":"The code is pinned to Node.js 20 (end of life 2026-04-30). None of these receives security fixes any more; the first stopped on 2026-04-30. Moving off an unsupported runtime is rarely a one-line change, so a buyer should ask whether the upgrade is planned and what it touches.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."}],"signals_run":19,"conclusive_signals":19,"what_a_person_adds":[{"id":"04.11","kind":"H+","where":"The team","measured":"3,721 commits landed in the last year, against 2,350 the year before (+58%).","question":"What drove it: new people, a deadline, or code produced faster than before?"},{"id":"04.34","kind":"H+","where":"The ML team and its run history","measured":"Experiment tracking is configured (comet_ml, wandb).","question":"Can the model that ships be tied to the run, data and code that produced it?"},{"id":"04.35","kind":"H+","where":"The ML team","measured":"No model card is in the tree.","question":"What is the model's intended use, what was it trained on, and where does it fail?"},{"id":"04.32","kind":"H","where":"The data room and the team's record of estimates","question":"Can this team deliver the stated roadmap on the stated timeline?"},{"id":"04.31","kind":"H","where":"Budget and roadmap decisions","question":"Does leadership know about the debt, and is time budgeted to repay it?"},{"id":"04.33","kind":"H","where":"Revenue, customer and churn data","question":"Is the engineering shape consistent with the commercial story?"}]},{"id":"05","band":"adequate","name":"Security & Reliability Posture","coverage":"partial","findings":[{"id":"05.6","band":"adequate","layer":"deterministic","title":"1 Dockerfile runs the application as root","signal":"container_runs_as_root","weight":"corroborating","evidence":[{"ref":"no-USER-instruction","kind":"path","path":"apps/opik-python-backend/Dockerfile","detail":"runs as root"}],"observed":{"rootful":1,"dockerfiles":5},"dimension":"05","rationale":"No USER instruction switches away from root, so the process runs with full privileges inside the container. It is a one-line fix and an ordinary expectation, which is why its absence is worth asking about: it usually says more about whether anyone has reviewed the deployment than about this container specifically."},{"id":"05.25","band":"adequate","layer":"deterministic","title":"2 environment files are committed","signal":"secrets_management_pattern","weight":"corroborating","context":true,"evidence":[{"ref":"apps/opik-frontend/.env.comet","kind":"path","path":"apps/opik-frontend/.env.comet","detail":"committed environment file"},{"ref":"apps/opik-frontend/.env.production","kind":"path","path":"apps/opik-frontend/.env.production","detail":"committed environment file"}],"observed":{"env_files":2},"dimension":"05","rationale":"apps/opik-frontend/.env.comet, apps/opik-frontend/.env.production are tracked in git. Environment files are where credentials usually live, and committing one usually means nobody decided how secrets reach the running application. Whatever is in it is in the history for good. Check 05.1 says whether it holds anything credential-shaped.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"05.27","band":"adequate","layer":"deterministic","title":"The build runs third-party code it does not pin","signal":"supply_chain_pinning","weight":"corroborating","context":true,"evidence":[{"ref":".github/workflows/backend_tests.yml","kind":"path","path":".github/workflows/backend_tests.yml","detail":"action pinned by tag","line_end":92,"line_start":92},{"ref":".github/workflows/build_and_publish_sdk.yaml","kind":"path","path":".github/workflows/build_and_publish_sdk.yaml","detail":"action pinned by tag","line_end":137,"line_start":137}],"observed":{"action_refs":316,"pipe_to_shell":0,"unpinned_third_party":25},"dimension":"05","rationale":"25 third-party CI actions are referenced by a tag or branch rather than a commit, so they run whatever that tag points to on the day. Tags have been moved to malicious commits in real supply-chain attacks, and a piped script is whatever the server returns that minute. Pinning to a commit is the fix, and it is small.","context_why":"A note that does not affect this rating: notes like it are common in well-run projects."},{"id":"05.26","band":"adequate","layer":"deterministic","title":"59 locked dependencies have published vulnerabilities, 31 high or critical in what ships","signal":"known_vulnerabilities","weight":"corroborating","evidence":[{"ref":"apps/opik-frontend/package-lock.json","kind":"path","path":"apps/opik-frontend/package-lock.json","detail":"protobufjs 7.5.4: GHSA-xq3m-2v4x-88gg (critical), fixed in 7.5.5"},{"ref":"sdks/typescript/src/opik/configure/pnpm-lock.yaml","kind":"path","path":"sdks/typescript/src/opik/configure/pnpm-lock.yaml","detail":"axios 1.13.4: GHSA-35jp-ww65-95wh (high), fixed in 1.16.0"},{"ref":"sdks/typescript/src/opik/configure/pnpm-lock.yaml","kind":"path","path":"sdks/typescript/src/opik/configure/pnpm-lock.yaml","detail":"form-data 4.0.5: GHSA-hmw2-7cc7-3qxx (high), fixed in 4.0.6"}],"observed":{"advisories":153,"dependencies":1281,"high_or_critical":71,"pinned_to_a_commit":0,"ecosystems_not_read":["Maven"],"vulnerable_packages":59,"set_aside_not_imported":0,"high_or_critical_shipping":31,"high_or_critical_not_shipped":{"dev":14,"apart":12,"build":14}},"unproven":true,"dimension":"05","rationale":"59 of 1,281 locked dependencies match 153 published advisories in OSV, 71 of them rated high or critical. A lockfile says which version is installed, not whether the flawed code is reachable from this product, so each needs a look. Most are fixed by an upgrade, and the advisory names the version."},{"id":"05.45","band":"adequate","layer":"deterministic","title":"1 workload setting give a container the host","signal":"privileged_workloads","weight":"corroborating","evidence":[{"ref":"deployment/helm_chart/opik/values.yaml","kind":"path","path":"deployment/helm_chart/opik/values.yaml","detail":"privileged or host namespace","line_end":429,"line_start":429}],"observed":{"sites":1,"behind_a_setting_or_built_here":0},"unproven":true,"dimension":"05","rationale":"1 places in the deployment configuration run a container privileged or in the host's network, process or IPC namespace. A compromise of that container is a compromise of the machine, and most acquirers' security reviews block it. Node agents (network, storage, monitoring) are excluded."},{"id":"05.48","band":"adequate","layer":"deterministic","title":"9 places insert HTML from a variable without sanitising it","signal":"unsafe_html","weight":"corroborating","context":true,"evidence":[{"ref":"apps/opik-frontend/src/lib/charts/vega.ts","kind":"path","path":"apps/opik-frontend/src/lib/charts/vega.ts","detail":"HTML from a variable","line_end":458,"line_start":458},{"ref":"apps/opik-frontend/src/shared/InteractiveMermaidDiagram/InteractiveMermaidDiagram.tsx","kind":"path","path":"apps/opik-frontend/src/shared/InteractiveMermaidDiagram/InteractiveMermaidDiagram.tsx","detail":"HTML from a variable","line_end":99,"line_start":99},{"ref":"apps/opik-frontend/src/shared/MermaidDiagram/MermaidDiagram.tsx","kind":"path","path":"apps/opik-frontend/src/shared/MermaidDiagram/MermaidDiagram.tsx","detail":"HTML from a variable","line_end":19,"line_start":19}],"observed":{"sites":9},"dimension":"05","rationale":"9 places set HTML from a value that is neither a literal nor passed through a sanitiser. Where the value can come from a user, that is stored cross-site scripting, and it is the first thing a buyer's security review looks for in a frontend.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"05.49","band":"adequate","layer":"deterministic","title":"The production build publishes source maps","signal":"source_maps_shipped","weight":"corroborating","evidence":[{"ref":"apps/opik-frontend/vite.config.ts","kind":"path","path":"apps/opik-frontend/vite.config.ts","detail":"source maps in a production build","line_end":57,"line_start":57}],"observed":{"sites":1},"dimension":"05","rationale":"The build configuration emits source maps for production, so the original source, with its comments and structure, is downloadable by every visitor. Upload them to an error tracker and keep them off the public server instead."}],"signals_run":34,"conclusive_signals":27,"what_a_person_adds":[{"id":"05.43","kind":"H+","where":"The security owner","measured":"No threat model is in the tree of what looks like a running service.","question":"Does one exist elsewhere, and who owns it?"},{"id":"05.41","kind":"H","where":"Ticketing and chat","question":"What has actually broken, how often, and how badly?"},{"id":"05.42","kind":"H","where":"Reports in the data room","question":"What did external testing find, and was it fixed?"},{"id":"05.44","kind":"H","where":"Audit reports; policy files in the tree are not evidence","question":"What is the SOC 2, ISO 27001 or GDPR status, and where is the evidence?"}]},{"id":"06","band":"adequate","name":"Observability & Operations","coverage":"partial","findings":[{"id":"06.2","band":"adequate","layer":"deterministic","title":"No structured logging library is in use","signal":"structured_logging","weight":"corroborating","evidence":[{"ref":"logging-scan","kind":"metric","detail":"searched 11,500 files for 10 structured logging libraries; 0 matched"}],"observed":{},"dimension":"06","rationale":"Nothing references a structured logging library. Logs that are written to be read by a person are not searchable by a machine, which means incident response here is proportional to how well someone remembers the codebase rather than to what the tooling can find."},{"id":"06.35","band":"adequate","layer":"deterministic","title":"Sends usage data to stats.comet.com by default","signal":"usage_reporting_default","weight":"corroborating","evidence":[{"ref":"apps/opik-backend/config.yml","kind":"path","path":"apps/opik-backend/config.yml","detail":"reports to stats.comet.com","line_end":1008,"line_start":1008},{"ref":"apps/opik-backend/config.yml","kind":"path","path":"apps/opik-backend/config.yml","detail":"the reporting setting is on by default","line_end":1007,"line_start":1007}],"observed":{"settings_on":5,"settings_off":0,"reporting_hosts":["stats.comet.com"]},"dimension":"06","rationale":"apps/opik-backend/config.yml sends to stats.comet.com, and apps/opik-backend/config.yml leaves reporting on as shipped. Every installation reports to the vendor unless its operator turns this off. For a buyer running it inside their own product, that is an outbound data flow to a third party: ask what is sent, how often, and whether the buyer's customers were told."},{"id":"06.14","band":"adequate","layer":"deterministic","title":"Readiness and liveness probes are identical in 2 of 2 workloads","signal":"probes_identical","weight":"corroborating","evidence":[{"ref":"deployment/helm_chart/opik/values.yaml","kind":"path","path":"deployment/helm_chart/opik/values.yaml","detail":"same probe endpoint twice"}],"observed":{"identical":2,"workloads_with_both":2},"dimension":"06","rationale":"Both probes call the same endpoint. When a dependency slows down, the liveness probe fails with the readiness probe, so the platform restarts pods that only needed taking out of rotation, and a partial outage becomes a full one. Liveness should ask whether the process is alive; readiness whether it can serve."}],"signals_run":16,"conclusive_signals":13,"what_a_person_adds":[{"id":"06.19","kind":"H+","where":"The operations team","measured":"Backup or restore tooling is in the tree (deployment/helm_chart/opik/templates/clickhouse-backup-cronjob.yaml).","question":"Has a restore ever been rehearsed, and how long did it take?"},{"id":"06.10","kind":"H+","where":"The alerting tool and the on-call rota","measured":"No alert rule is defined in the repository.","question":"Where are alerts defined, who receives them, and when did one last fire?"},{"id":"06.29","kind":"H","where":"Pager history and dashboard logs","question":"Are the dashboards opened, the alerts acknowledged and the pages answered?"},{"id":"06.30","kind":"H","where":"Production metrics","question":"Are the service-level objectives actually met?"},{"id":"06.31","kind":"H","where":"Pager exports and interviews","question":"Who carries the pager, and how often does it go off?"},{"id":"06.32","kind":"H","where":"Cloud billing and capacity plans","question":"What does it cost to run, and how much headroom is there?"}]},{"id":"07","band":"not assessable","name":"Fit with the Acquirer","coverage":"none","findings":[],"signals_run":0,"conclusive_signals":0,"what_a_person_adds":[{"id":"07.1","kind":"H+","question":"This is primarily a TypeScript codebase, with Python alongside (25% of source files). Does your engineering organisation already run TypeScript in production, or would this be the first?"},{"id":"07.10","kind":"H+","question":"The bulk of this system sits in apps/, sdks/, tests_end_to_end/. Which of your existing systems would each of those have to absorb or replace?"},{"id":"07.9","kind":"H+","question":"34% of added lines came through AI-declared commits. Does your organisation have a policy on inheriting and maintaining that code, and does your engineering team's tooling match how it was produced?"},{"id":"07.2","kind":"H+","question":"The repository carries deployment configuration (apps/opik-backend/Dockerfile and 14 more). Does that match your deployment and on-call model, or does it need rehosting first?"},{"id":null,"kind":"H+","question":"What is your tolerance for the findings above remaining unaddressed for the first two quarters after close, given everything else that will compete for this team's time?"},{"id":"07.11","kind":"H","where":"Your architecture","question":"Which of these systems duplicate yours, and which get retired?"},{"id":"07.12","kind":"H","where":"The engagement","question":"What will integration cost, and in what order?"},{"id":"07.13","kind":"H","where":"Your org design","question":"Where does the team land in your organisation, and who reports to whom?"},{"id":"07.14","kind":"H","where":"Deal terms","question":"Are there earn-outs, retention packages or contractor IP to assign?"},{"id":"07.15","kind":"H","where":"Customer contracts","question":"Do customer contracts limit hosting, regions or vendors?"}],"not_assessable_reason":"structurally not assessable from a 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here), OSV npm opik-gemini (an empty record for a package published here), OSV npm opik-langchain (an empty record for a package published here), OSV npm opik-openai (an empty record for a package published here), OSV npm opik-otel (an empty record for a package published here), OSV npm opik-vercel (an empty record for a package published here) did not","signal":"project_advisories","observed":{"sources":["OSV by commit","GitHub repository advisories","NVD"],"affecting":0,"exploited":0,"advisories":1,"version_from":"the newest release tag in the surveyed history","fix_unreleased":0,"sources_failed":["OSV npm opik (an empty record for a package published here)","OSV PyPI opik_optimizer (an empty record for a package published here)","OSV npm opik (an empty record for a package published here)","OSV npm opik-ts (an empty record for a package published here)","OSV npm opik-gemini (an empty record for a package published here)","OSV npm opik-langchain (an empty record for a package 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