{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"npm_npm-modality-mcp-kit","slug":"npm-modality-mcp-kit","name":"modality-mcp-kit","type":"mcp","url":"https://www.npmjs.com/package/modality-mcp-kit","page_url":"https://unfragile.ai/npm-modality-mcp-kit","categories":["mcp-servers"],"tags":["mcp","mcp-toolkit","mcp-tools","model-context-protocol","json-schema","xsschema","schema-conversion","tool-parameters","zod","typescript"],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"npm_npm-modality-mcp-kit__cap_0","uri":"capability://tool.use.integration.zod.to.json.schema.conversion.with.mcp.tool.parameter.mapping","name":"zod-to-json-schema conversion with mcp tool parameter mapping","description":"Converts Zod schema definitions into JSON Schema format compatible with MCP tool parameter specifications. Uses Zod's introspection API to traverse schema AST and generate valid JSON Schema with proper type inference, validation constraints, and nested object support. Enables developers to define tool parameters once in TypeScript and automatically generate MCP-compliant schemas without manual JSON Schema authoring.","intents":["Define tool parameters in Zod and automatically generate MCP-compatible JSON schemas","Reduce boilerplate by avoiding dual schema definitions (TypeScript + JSON Schema)","Ensure type safety between tool implementation and MCP protocol contract"],"best_for":["TypeScript developers building MCP tools with Zod validation","Teams standardizing on Zod for runtime validation across MCP agents"],"limitations":["Zod-specific — no native support for other TypeScript schema libraries (io-ts, Yup, Ajv)","Complex Zod transformations may not map cleanly to JSON Schema equivalents","Requires Zod 3.x+ for full introspection API support"],"requires":["TypeScript 4.7+","Zod 3.0+","Node.js 16+"],"input_types":["Zod schema objects (z.object, z.string, z.number, etc.)"],"output_types":["JSON Schema (draft-7 compatible)","MCP ToolParameter objects"],"categories":["tool-use-integration","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-modality-mcp-kit__cap_1","uri":"capability://tool.use.integration.xs.schema.to.json.schema.transpilation.for.legacy.tool.definitions","name":"xs schema to json schema transpilation for legacy tool definitions","description":"Transpiles XML Schema (XSD) definitions into JSON Schema format suitable for MCP tool parameters. Parses XSD element declarations, type definitions, and constraints (minOccurs, maxOccurs, pattern restrictions) and maps them to equivalent JSON Schema constructs. Enables teams with existing XSD-based tool specifications to integrate with MCP without rewriting schemas.","intents":["Migrate legacy XML Schema tool definitions to MCP without manual rewriting","Support enterprise systems that standardize on XSD for API contracts","Preserve validation constraints and cardinality rules during schema conversion"],"best_for":["Enterprise teams with existing XSD tool specifications","Organizations migrating from SOAP/XML-based services to MCP agents"],"limitations":["XSD features without JSON Schema equivalents (e.g., xs:any, xs:choice with complex constraints) may require manual post-processing","Namespace handling in XSD may not translate directly to JSON Schema $ref structure","Performance degrades on very large XSD files (>10MB) due to DOM parsing"],"requires":["Node.js 16+","XML parser library (xmldom or equivalent)"],"input_types":["XML Schema (.xsd) files or XSD strings"],"output_types":["JSON Schema (draft-7 compatible)","MCP ToolParameter objects"],"categories":["tool-use-integration","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-modality-mcp-kit__cap_2","uri":"capability://tool.use.integration.multi.library.schema.validation.bridge.with.unified.interface","name":"multi-library schema validation bridge with unified interface","description":"Provides a unified validation interface that abstracts over multiple schema libraries (Zod, Yup, io-ts, Ajv) and converts their validation results into a standardized MCP-compatible format. Routes validation calls to the appropriate library backend based on schema type, normalizes error messages, and produces consistent validation reports. Enables MCP tool developers to use their preferred validation library without rewriting tool parameter handling logic.","intents":["Use different schema validation libraries across MCP tools without duplicating parameter validation code","Standardize validation error reporting across heterogeneous tool implementations","Gradually migrate from one validation library to another without breaking tool contracts"],"best_for":["Large teams with mixed validation library preferences","Monorepos with multiple MCP tool implementations using different stacks"],"limitations":["Abstraction adds ~5-15ms overhead per validation call due to library routing and error normalization","Library-specific validation features (custom error messages, async validators) may not map cleanly to unified interface","Requires explicit registration of each supported validation library"],"requires":["TypeScript 4.7+","Node.js 16+","At least one of: Zod 3.0+, Yup 1.0+, io-ts 2.0+, Ajv 8.0+"],"input_types":["Zod/Yup/io-ts/Ajv schema objects","Data to validate (any JSON-serializable type)"],"output_types":["Standardized validation result object with errors array","MCP ToolParameter validation report"],"categories":["tool-use-integration","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-modality-mcp-kit__cap_3","uri":"capability://code.generation.editing.json.schema.generation.from.typescript.interfaces.with.mcp.tool.metadata","name":"json schema generation from typescript interfaces with mcp tool metadata","description":"Extracts TypeScript interface definitions and generates JSON Schema with embedded MCP tool metadata (descriptions, examples, required fields). Uses TypeScript compiler API to analyze interface structure, JSDoc comments, and type annotations, then produces JSON Schema with MCP-specific extensions for tool parameter documentation. Supports nested interfaces, union types, and optional fields with proper cardinality mapping.","intents":["Generate MCP tool parameter schemas directly from TypeScript interface definitions","Automatically extract JSDoc descriptions and examples into JSON Schema documentation","Keep tool parameter definitions synchronized with TypeScript type definitions"],"best_for":["TypeScript-first MCP tool developers","Teams using TypeScript interfaces as source-of-truth for API contracts"],"limitations":["Requires TypeScript source files — does not work with compiled JavaScript","Complex conditional types and generics may not generate valid JSON Schema","JSDoc parsing is basic — advanced comment syntax may be misinterpreted"],"requires":["TypeScript 4.7+","Node.js 16+","TypeScript compiler API access"],"input_types":["TypeScript source files (.ts)","Interface names to extract"],"output_types":["JSON Schema (draft-7 compatible)","MCP ToolParameter objects with documentation"],"categories":["code-generation-editing","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-modality-mcp-kit__cap_4","uri":"capability://tool.use.integration.schema.validation.with.constraint.enforcement.for.mcp.tool.parameters","name":"schema validation with constraint enforcement for mcp tool parameters","description":"Validates incoming tool parameters against generated schemas and enforces constraints (min/max values, string patterns, enum restrictions, required fields). Applies validation rules in order of specificity and produces detailed error reports indicating which constraints failed and why. Integrates with the unified validation bridge to support multiple validation libraries while maintaining consistent constraint enforcement across all MCP tools.","intents":["Validate tool parameters before execution to prevent invalid data from reaching tool logic","Provide detailed validation error messages to MCP clients for debugging","Enforce business logic constraints (e.g., price > 0) at the parameter layer"],"best_for":["MCP tool developers building production-grade tools with strict parameter validation","Teams requiring audit trails of parameter validation failures"],"limitations":["Validation is synchronous — async validators (e.g., database lookups) not supported natively","Complex interdependent constraints (e.g., 'field A required if field B > 10') require custom validators","Performance degrades with deeply nested objects (>5 levels) due to recursive validation"],"requires":["TypeScript 4.7+","Node.js 16+","JSON Schema with constraint definitions"],"input_types":["Tool parameter objects (any JSON-serializable structure)","JSON Schema with constraints"],"output_types":["Validation result (pass/fail with error details)","Structured error report with field-level error messages"],"categories":["tool-use-integration","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-modality-mcp-kit__cap_5","uri":"capability://tool.use.integration.schema.composition.and.inheritance.for.reusable.mcp.tool.parameter.definitions","name":"schema composition and inheritance for reusable mcp tool parameter definitions","description":"Enables schema reuse through composition patterns (allOf, oneOf, anyOf) and inheritance hierarchies, allowing developers to define base parameter schemas and extend them for specific tools. Resolves $ref references, flattens composed schemas, and generates final MCP-compatible schemas. Supports parameter overrides and constraint refinement in child schemas while maintaining type safety and validation consistency.","intents":["Define common parameter patterns (e.g., pagination, filtering) once and reuse across multiple tools","Create tool parameter hierarchies where specialized tools extend base parameter sets","Reduce schema duplication and maintenance burden across large tool collections"],"best_for":["Teams building large collections of related MCP tools with shared parameter patterns","Organizations standardizing on common parameter conventions (pagination, sorting, filtering)"],"limitations":["Deep composition hierarchies (>5 levels) can produce complex resolved schemas that are hard to debug","$ref resolution requires careful namespace management to avoid circular dependencies","Constraint conflicts in composed schemas (e.g., minLength in parent vs maxLength in child) require explicit resolution rules"],"requires":["TypeScript 4.7+","Node.js 16+","JSON Schema with composition support"],"input_types":["Base JSON Schema definitions","Composition directives (allOf, oneOf, anyOf)","$ref references"],"output_types":["Resolved JSON Schema (flattened composition)","MCP ToolParameter objects"],"categories":["tool-use-integration","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-modality-mcp-kit__cap_6","uri":"capability://tool.use.integration.runtime.schema.validation.with.detailed.error.reporting.for.mcp.protocol.compliance","name":"runtime schema validation with detailed error reporting for mcp protocol compliance","description":"Validates that generated schemas conform to MCP protocol requirements (valid JSON Schema draft-7, proper tool parameter structure, required metadata fields). Performs static analysis on schemas to detect common issues (missing descriptions, invalid type combinations, unsupported constraints) and produces actionable error messages. Integrates with build pipelines to catch schema compliance issues before tools are deployed.","intents":["Catch schema compliance issues during development rather than at runtime","Validate that tool parameter schemas meet MCP protocol requirements","Generate compliance reports for schema audits and documentation"],"best_for":["Teams with strict MCP protocol compliance requirements","Organizations building MCP tool libraries with quality gates"],"limitations":["Validation is static — cannot detect runtime schema issues (e.g., schemas that fail for specific data)","Does not validate semantic correctness of constraints (e.g., whether minLength makes sense for a field)","Custom MCP extensions may not be recognized as valid"],"requires":["TypeScript 4.7+","Node.js 16+","JSON Schema validator library"],"input_types":["JSON Schema objects","MCP ToolParameter definitions"],"output_types":["Compliance report (pass/fail with issues list)","Structured error/warning messages"],"categories":["tool-use-integration","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-modality-mcp-kit__cap_7","uri":"capability://code.generation.editing.bidirectional.schema.synchronization.between.typescript.types.and.json.schema.definitions","name":"bidirectional schema synchronization between typescript types and json schema definitions","description":"Maintains consistency between TypeScript interface definitions and generated JSON Schema by detecting changes in either direction and propagating updates. Tracks schema versions, detects breaking changes (removed fields, type changes), and generates migration guides. Supports schema versioning and deprecation markers to help MCP clients adapt to schema evolution.","intents":["Keep TypeScript types and JSON schemas synchronized without manual updates","Detect breaking schema changes and warn developers before deployment","Generate migration guides for schema evolution across tool versions"],"best_for":["Teams with long-lived MCP tool APIs requiring careful schema evolution","Organizations prioritizing backward compatibility and client stability"],"limitations":["Requires TypeScript source files — does not work with pre-compiled tools","Change detection is heuristic-based and may miss subtle semantic changes","Migration guide generation is template-based and may require manual refinement"],"requires":["TypeScript 4.7+","Node.js 16+","Git or version control system for change tracking"],"input_types":["TypeScript source files (.ts)","Previous schema versions (JSON Schema)"],"output_types":["Updated JSON Schema","Change report (added/removed/modified fields)","Migration guide"],"categories":["code-generation-editing","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":28,"verified":false,"data_access_risk":"high","permissions":["TypeScript 4.7+","Zod 3.0+","Node.js 16+","XML parser library (xmldom or equivalent)","At least one of: Zod 3.0+, Yup 1.0+, io-ts 2.0+, Ajv 8.0+","TypeScript compiler API access","JSON Schema with constraint definitions","JSON Schema with composition support","JSON Schema validator library","Git or version control system for change tracking"],"failure_modes":["Zod-specific — no native support for other TypeScript schema libraries (io-ts, Yup, Ajv)","Complex Zod transformations may not map cleanly to JSON Schema equivalents","Requires Zod 3.x+ for full introspection API support","XSD features without JSON Schema equivalents (e.g., xs:any, xs:choice with complex constraints) may require manual post-processing","Namespace handling in XSD may not translate directly to JSON Schema $ref structure","Performance degrades on very large XSD files (>10MB) due to DOM parsing","Abstraction adds ~5-15ms overhead per validation call due to library routing and error normalization","Library-specific validation features (custom error messages, async validators) may not map cleanly to unified interface","Requires explicit registration of each supported validation library","Requires TypeScript source files — does not work with compiled JavaScript","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.26,"ecosystem":0.5000000000000001,"match_graph":0.25,"freshness":0.6,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.15,"match_graph":0.23,"freshness":0.12}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-05-24T12:16:23.904Z","last_scraped_at":"2026-05-03T14:23:57.457Z","last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=npm-modality-mcp-kit","compare_url":"https://unfragile.ai/compare?artifact=npm-modality-mcp-kit"}},"signature":"ga1RP6+0kQ2FQhc3fdbkkd5CgBcjYNiY2BEDmNp9f04L+oVGFcedyybtob3ueyYzuk4Hcv2P68+73ob9QFz6Cw==","signedAt":"2026-06-20T00:20:00.456Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/npm-modality-mcp-kit","artifact":"https://unfragile.ai/npm-modality-mcp-kit","verify":"https://unfragile.ai/api/v1/verify?slug=npm-modality-mcp-kit","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}