Protocol record · production

Chainlink

Decentralized oracle network providing price feeds, verifiable randomness (VRF), automation, and cross-chain messaging (CCIP) to smart contracts.

100readiness / 100

integration: mediumethereumarbitrum-onebaseoptimismpolygonavalanchebsc

Also available as JSON · Markdown

Resources

docsdocs.chain.link sdkgithub.com templatedocs.chain.link supportdiscord.gg grantchain.link

Good for

push-based price feeds with wide chain coverage
verifiable on-chain randomness
cross-chain token transfers and messaging
scheduled or condition-based contract automation

Avoid for

sub-second pull-based feeds where a low-latency oracle fits better

Readiness score

100/100

Readiness measures how much verified integration surface exists for builders and agents. It does not mean the protocol is easy to use — integration difficulty is tracked separately.

Docs10/10

Docs URL present

SDK8/8

SDK URL present

Template6/6

Template/quickstart present

Support6/6

Support channel present

Capability depth20/20

Data Feeds: production_surface; VRF (Verifiable Random Function): production_surface; CCIP (Cross-Chain Interoperability Protocol): ecosystem_primitive; Automation: integration_workflow (capped at 20)

Production-ready15/15

Has a production-ready capability

Confidence5/5

Protocol provenance confidence is high

Chain coverage10/10

5 chain(s) (capped at 5)

Freshness10/10

Last verified 8 day(s) ago

No critical issues10/10

No open critical issues

No hard caps applied.

Capabilities

Data Feeds production-ready

Best for: DeFi pricing, lending and collateral

Push feeds update on deviation/heartbeat; consumers must check updatedAt for staleness.

VRF (Verifiable Random Function) production-ready

Best for: on-chain gaming, fair NFT minting

CCIP (Cross-Chain Interoperability Protocol) production-ready

Best for: cross-chain token transfers, cross-chain messaging

Automation production-ready

Best for: scheduled jobs, condition-based execution

Composes with

uniswap supporting_protocol supports

Price feeds, automation, and cross-chain services can support DeFi applications that also use AMM liquidity.

price-aware DeFi apps and liquidity tooling

safe operational_controls supports

Safe can manage oracle configuration, automation permissions, and protocol treasury controls.

the-graph indexing_and_data supports

The Graph can index oracle-aware protocol events, liquidations, positions, and automation outcomes.

Advisories

Migrate Chainlink VRF v2 integrations to v2.5 deprecation recommended Chainlink VRF v2.5 supersedes v2. v2.5 adds native-token (as well as LINK) subscription funding and changes the coordinator interface and request struct. New randomness integrations should target v2.5; existing v2 consumers should plan migration since v2 is no longer the recommended interface.

Provenance

Last verified 2026-06-02 by composewith.eth research (docs.chain.link + product list live-verified via WebFetch 2026-06-02; canonical docs also served at dev.chain.link) (confidence: high). Score computed by score.v2.