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Open","email":"open@attestto.com"},"license":"Apache-2.0","homepage":"https://attestto.org","keywords":["verifiable-credentials","ssi","did","costa-rica","mdl","driving-license","json-ld","w3c","iso-18013-5"],"repository":{"type":"git","url":"git+https://github.com/Attestto-com/cr-vc-sdk.git"},"description":"SDK for issuing and verifying Verifiable Credentials in the Costa Rica SSI driving ecosystem","maintainers":[{"name":"chongkan","email":"e.chongkan@gmail.com"}],"readme":"# cr-vc-sdk\n\n[](https://www.npmjs.com/package/@attestto/cr-vc-sdk)\n\n> Costa Rica credential types and identity ecosystem\n\n`@attestto/cr-vc-sdk` is a TypeScript SDK for issuing and verifying W3C Verifiable Credentials specific to Costa Rica's driving, identity, and government workflows. Extends `@attestto/vc-sdk` with pre-registered schemas for DrivingLicense, medical fitness, vehicle registration, and more. All documentation in English. For full documentation visit [attestto.org/docs](https://attestto.org/docs).\n\n## Architecture\n\n```mermaid\ngraph LR\n A[\"cr-vc-sdk
(CR types API)\"]\n B[\"vc-sdk
(core)\"]\n C[\"cr-vc-schemas
(JSON-LD)\"]\n D[\"attestto-app
(CR modules)\"]\n \n A --> B\n A --> C\n A --> D\n```\n\n## Quick start\n\n### Prerequisites\n\n- Node ≥ 18\n- npm or yarn\n- Basic familiarity with `@attestto/vc-sdk`\n\n### Install\n\n```bash\nnpm install @attestto/cr-vc-sdk\n```\n\n### Try it\n\n```typescript\nimport { VCIssuer, generateKeyPair } from '@attestto/cr-vc-sdk'\n\nconst keys = generateKeyPair()\nconst issuer = new VCIssuer({\n did: 'did:web:cosevi.attestto.id',\n privateKey: keys.privateKey,\n})\n\nconst license = await issuer.issue({\n type: 'DrivingLicense',\n subjectDid: 'did:web:maria.attestto.id',\n expirationDate: '2032-04-01T23:59:59Z',\n claims: {\n licenseNumber: 'CR-2026-045678',\n categories: ['B', 'A1'],\n issueDate: '2026-04-01',\n status: 'active',\n points: 12,\n bloodType: 'O+',\n restrictions: ['corrective lenses'],\n issuingAuthority: 'did:web:cosevi.attestto.id',\n },\n})\n```\n\nVerify:\n\n```typescript\nimport { VCVerifier } from '@attestto/cr-vc-sdk'\n\nconst verifier = new VCVerifier()\nconst result = await verifier.verifyWithKey(license, keys.publicKey, 'Ed25519', {\n checkExpiration: true,\n expectedType: 'DrivingLicense',\n expectedIssuer: 'did:web:cosevi.attestto.id',\n})\n\nconsole.log(result.valid) // true\nconsole.log(result.errors) // []\n```\n\n## API\n\n### VCIssuer\n\n```typescript\nconst issuer = new VCIssuer(config: IssuerConfig)\nconst vc = await issuer.issue(options: IssueOptions)\nconst jwt = await issuer.issueJwt(options: IssueOptions)\n```\n\nRe-exports `VCIssuer` from `@attestto/vc-sdk` with CR schema plugins pre-loaded.\n\n### VCVerifier\n\n```typescript\nconst verifier = new VCVerifier(config?: VerifierConfig)\nconst result = await verifier.verify(vc, options?: VerifyOptions)\nconst result = await verifier.verifyWithKey(vc, publicKey, algorithm, options?)\n```\n\nVerifies against known public key or via DID resolver. Returns `{ valid, checks, errors, warnings }`.\n\n### generateKeyPair\n\n```typescript\nconst keys = generateKeyPair('Ed25519' | 'ES256')\n```\n\nGenerate Ed25519 or ES256 key pairs for signing and verification.\n\n## Supported credential types\n\n| Type | Domain | Typical issuer |\n|---|---|---|\n| `DrivingLicense` | Driving | COSEVI / DGEV |\n| `TheoreticalTestResult` | Theory exam | DGEV / certified provider |\n| `PracticalTestResult` | Practical exam | DGEV / certified provider |\n| `NationalID` | Identity | TSE / DGME |\n| `PassportCredential` | Travel document | Dirección de Pasaportes |\n| `VehicleRegistration` | Registration | Registro Nacional |\n| `VehicleInspection` | Technical review (RTV) | RTV center |\n| `ProfessionalLicense` | Professional credentials | MICITT / regulatory bodies |\n| `SocialSecurityCredential` | CAJA / benefits | CAJA |\n| `MedicalRecord` | Health | Authorized clinics |\n| `BirthCertificate` | Vital records | TSE |\n| `MarriageCertificate` | Vital records | TSE |\n| `LandRegistry` | Property | Registro Nacional |\n\nJSON-LD contexts are hosted at `https://schemas.attestto.org/cr/`. See [cr-vc-schemas](https://github.com/Attestto-com/cr-vc-schemas) for full schema definitions.\n\nIndice completo: [Attestto-com/attestto-open](https://github.com/Attestto-com/attestto-open)\n\n| Repositorio | Que hace |\n|---|---|\n| [vc-sdk](https://github.com/Attestto-com/vc-sdk) | SDK universal W3C VC (TypeScript) |\n| [cr-vc-sdk-dotnet](https://github.com/Attestto-com/cr-vc-sdk-dotnet) | SDK ecosistema vial CR (.NET 8) |\n| [cr-vc-schemas](https://github.com/Attestto-com/cr-vc-schemas) | Esquemas JSON-LD (11 tipos de VC) |\n| [did-sns-spec](https://github.com/Attestto-com/did-sns-spec) | Especificacion del metodo `did:sns` |\n| [did-sns-resolver](https://github.com/Attestto-com/did-sns-resolver) | Universal Resolver para did:sns |\n| [id-wallet-adapter](https://github.com/Attestto-com/id-wallet-adapter) | Descubrimiento de wallets |\n\n## Ecosystem\n\n| Repo | Role | Relationship |\n|---|---|---|\n| [vc-sdk](https://github.com/Attestto-com/vc-sdk) | Core SDK | Foundational API this extends |\n| [cr-vc-sdk](https://github.com/Attestto-com/cr-vc-sdk) | This repo | CR credential types |\n| [cr-vc-schemas](https://github.com/Attestto-com/cr-vc-schemas) | JSON-LD contexts | Schemas for all CR types |\n| [attestto-app](https://github.com/Attestto-com/attestto-app) | Citizen wallet | Wallet with CR issuance modules |\n| [did-sns-spec](https://github.com/Attestto-com/did-sns-spec) | DID method | Human-readable `did:sns` spec |\n| [wallet-identity-resolver](https://github.com/Attestto-com/wallet-identity-resolver) | Identity resolution | On-chain identity lookup |\n\n## Build with an LLM\n\nThis repo ships a [`llms.txt`](./llms.txt) context file — a machine-readable summary of the API, data structures, and integration patterns designed to be read by AI coding assistants.\n\n### Recommended setup\n\nUse the [`attestto-dev-mcp`](../attestto-dev-mcp) server to give your LLM active access to the ecosystem:\n\n```bash\ncd ../attestto-dev-mcp\nnpm install && npm run build\n```\n\nThen add it to your Claude / Cursor / Windsurf config and ask:\n\n> *\"Explore the Attestto ecosystem and scaffold me a credential issuer\"*\n\n### Which model?\n\nWe recommend **[Claude](https://claude.ai) Pro** (5× usage vs free) or higher. Long context and strong TypeScript reasoning handle this codebase well. The MCP server works with any LLM that supports tool use.\n\n> **Quick start:** Ask your LLM to read `llms.txt` in this repo, then describe what you want to build. It will find the right archetype, generate boilerplate, and walk you through the first run.\n\n## Contributing\n\nContributions welcome. Please open an issue or pull request on GitHub.\n\n## License\n\nApache 2.0\n","readmeFilename":"README.md"}