naftiko: 1.0.0-alpha2 info: label: Materials Project API — Materials Similarity description: 'Materials Project API — Materials Similarity. 2 operations. Lead operation: Get SimilarityDoc documents. Self-contained Naftiko capability covering one Materials Project business surface.' tags: - Materials Project - Materials Similarity created: '2026-05-19' modified: '2026-05-19' binds: - namespace: env keys: MATERIALS_PROJECT_API_KEY: MATERIALS_PROJECT_API_KEY capability: consumes: - type: http namespace: materials-project-materials-similarity baseUri: '' description: Materials Project API — Materials Similarity business capability. Self-contained, no shared references. resources: - name: materials-similarity path: /materials/similarity/ operations: - name: searchmaterialssimilarityget method: GET description: Get SimilarityDoc documents outputRawFormat: json outputParameters: - name: result type: object value: $. inputParameters: - name: material_ids in: query type: string description: Comma-separated list of material_id values to query on - name: _page in: query type: integer description: Page number to request (takes precedent over _limit and _skip). - name: _per_page in: query type: integer description: Number of entries to show per page (takes precedent over _limit and _skip). Limited to 1000. - name: _skip in: query type: integer description: Number of entries to skip in the search. - name: _limit in: query type: integer description: Max number of entries to return in a single query. Limited to 1000. - name: _fields in: query type: string description: 'Fields to project from SimilarityDoc as a list of comma separated strings. Fields include: `builder_meta` `nsites` `elements` `nelements` `co' - name: _all_fields in: query type: boolean description: Include all fields. - name: materials-similarity-match path: /materials/similarity/match/ operations: - name: searchmaterialssimilaritymatchget method: GET description: Get SimilarityDoc documents outputRawFormat: json outputParameters: - name: result type: object value: $. inputParameters: - name: feature_vector_hex in: query type: string description: A compressed, hex representation of a row unit vector of floats. required: true - name: feature_vector_norm in: query type: number description: The norm of the feature vector required: true - name: method in: query type: string description: The method used to embed a structure as a feature vector. - name: _limit in: query type: integer description: Max number of entries to return in a single query. Limited to 10 by default authentication: type: apikey key: X-API-KEY value: '{{env.MATERIALS_PROJECT_API_KEY}}' placement: header exposes: - type: rest namespace: materials-project-materials-similarity-rest port: 8080 description: REST adapter for Materials Project API — Materials Similarity. One Spectral-compliant resource per consumed operation, prefixed with /v1. resources: - path: /v1/materials/similarity name: materials-similarity description: REST surface for materials-similarity. operations: - method: GET name: searchmaterialssimilarityget description: Get SimilarityDoc documents call: materials-project-materials-similarity.searchmaterialssimilarityget with: material_ids: rest.material_ids _page: rest._page _per_page: rest._per_page _skip: rest._skip _limit: rest._limit _fields: rest._fields _all_fields: rest._all_fields outputParameters: - type: object mapping: $. - path: /v1/materials/similarity/match name: materials-similarity-match description: REST surface for materials-similarity-match. operations: - method: GET name: searchmaterialssimilaritymatchget description: Get SimilarityDoc documents call: materials-project-materials-similarity.searchmaterialssimilaritymatchget with: feature_vector_hex: rest.feature_vector_hex feature_vector_norm: rest.feature_vector_norm method: rest.method _limit: rest._limit outputParameters: - type: object mapping: $. - type: mcp namespace: materials-project-materials-similarity-mcp port: 9090 transport: http description: MCP adapter for Materials Project API — Materials Similarity. One tool per consumed operation, routed inline through this capability's consumes block. tools: - name: get-similaritydoc-documents description: Get SimilarityDoc documents hints: readOnly: true destructive: false idempotent: true call: materials-project-materials-similarity.searchmaterialssimilarityget with: material_ids: tools.material_ids _page: tools._page _per_page: tools._per_page _skip: tools._skip _limit: tools._limit _fields: tools._fields _all_fields: tools._all_fields outputParameters: - type: object mapping: $. - name: get-similaritydoc-documents-2 description: Get SimilarityDoc documents hints: readOnly: true destructive: false idempotent: true call: materials-project-materials-similarity.searchmaterialssimilaritymatchget with: feature_vector_hex: tools.feature_vector_hex feature_vector_norm: tools.feature_vector_norm method: tools.method _limit: tools._limit outputParameters: - type: object mapping: $.