{"uid":"cap_vuU7D2E1l4iWO93wgUKKK","slug":"forest-containers-oci-referrers-discovery-726e833c","name":"Forest Containers – OCI Referrers Discovery","description":"Discover OCI 1.1 artifacts referring to an image digest, such as SBOM or attestation evidence. Presence is reported only; Forest does not verify signatures or download blobs. Base mainnet USDC","url":"https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/container/referrers?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"image":{"type":"string","pattern":"^[a-z0-9][a-z0-9._-]*(?::\\d+)?(?:/[a-z0-9._-]+)+$","maxLength":512,"description":"Public registry image repository to inspect."},"digest":{"type":"string","pattern":"^sha256:[a-f0-9]{64}$","description":"Immutable image digest whose referring artifacts should be listed."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bJ7v3qTgji1IIsRBVzNM4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Lists OCI 1.1 artifacts (such as SBOMs and attestation evidence) that refer to a specific image digest in a public container registry.","exampleAgentPrompt":"Can you list all OCI referrers — like SBOMs or attestation artifacts — for the image ghcr.io/myorg/myapp with digest sha256:abc123...64hexchars?","exampleUseCases":[{"title":"SBOM presence check for container release","prompt":"Before we ship this release, can you check whether ghcr.io/mycompany/api-server has any SBOM artifacts attached to digest sha256:3a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1b?"},{"title":"Attestation discovery for security audit","prompt":"We're doing a security audit — can you find any attestation or provenance artifacts that refer to the image registry.example.com/myteam/backend with digest sha256:deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef?"},{"title":"Supply chain artifact check in CI pipeline","prompt":"In our CI pipeline, after building docker.io/acmecorp/worker, I want to confirm what supply chain artifacts like SBOMs or signatures are registered as referrers for digest sha256:0f1e2d3c4b5a6978a7b6c5d4e3f2a1b0c9d8e7f6a5b4c3d2e1f0a9b8c7d6e5f4."}],"resultDescription":"A list of OCI 1.1 artifacts that refer to the specified image digest, including artifact types such as SBOMs or attestation evidence. The endpoint only reports presence — it does not verify signatures or download artifact blobs.","failureModes":["Invalid image repository format returns a validation error","Malformed or wrong-length digest (not sha256:64hex) is rejected","Registry is private or inaccessible — no referrers returned or error reported","Image digest does not exist in the registry — empty referrer list","Registry does not support OCI 1.1 referrer API — no results or error"],"whenToPreferThis":"Use this endpoint when you need to discover supply chain artifacts (SBOMs, attestations, provenance) attached to a specific public container image via the OCI 1.1 referrers API. Prefer it over general registry inspection tools when you specifically want a lightweight presence report of referencing artifacts without downloading or verifying them. Not appropriate when you need signature verification or blob content retrieval.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T00:42:41.818Z","isFirstParty":false,"canonicalSlug":"forest-containers-oci-referrers-discovery-726e833c"}