naftiko: 1.0.0-alpha2 info: label: Materials Project API — Materials XAS description: 'Materials Project API — Materials XAS. 1 operations. Lead operation: Get XASDoc documents. Self-contained Naftiko capability covering one Materials Project business surface.' tags: - Materials Project - Materials XAS 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-xas baseUri: '' description: Materials Project API — Materials XAS business capability. Self-contained, no shared references. resources: - name: materials-xas path: /materials/xas/ operations: - name: searchmaterialsxasget method: GET description: Get XASDoc 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: formula in: query type: string description: Query by formula including anonymized formula or by including wild cards. A comma delimited string list of anonymous formulas or regular formulas can also be pr - name: chemsys in: query type: string description: A comma delimited string list of chemical systems. Wildcards for unknown elements only supported for single chemsys queries - name: elements in: query type: string description: Query by elements in the material composition as a comma-separated list - name: exclude_elements in: query type: string description: Query by excluded elements in the material composition as a comma-separated list - name: edge in: query type: string - name: spectrum_type in: query type: string - name: absorbing_element in: query type: string - name: spectrum_ids in: query type: string description: Comma-separated list of spectrum_id 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 XASDoc as a list of comma separated strings. Fields include: `builder_meta` `nsites` `elements` `nelements` `compositi' - name: _all_fields in: query type: boolean description: Include all fields. - name: _sort_fields in: query type: string description: Comma delimited fields to sort with. Prefixing '-' to a field will force a sort in descending order. authentication: type: apikey key: X-API-KEY value: '{{env.MATERIALS_PROJECT_API_KEY}}' placement: header exposes: - type: rest namespace: materials-project-materials-xas-rest port: 8080 description: REST adapter for Materials Project API — Materials XAS. One Spectral-compliant resource per consumed operation, prefixed with /v1. resources: - path: /v1/materials/xas name: materials-xas description: REST surface for materials-xas. operations: - method: GET name: searchmaterialsxasget description: Get XASDoc documents call: materials-project-materials-xas.searchmaterialsxasget with: material_ids: rest.material_ids formula: rest.formula chemsys: rest.chemsys elements: rest.elements exclude_elements: rest.exclude_elements edge: rest.edge spectrum_type: rest.spectrum_type absorbing_element: rest.absorbing_element spectrum_ids: rest.spectrum_ids _page: rest._page _per_page: rest._per_page _skip: rest._skip _limit: rest._limit _fields: rest._fields _all_fields: rest._all_fields _sort_fields: rest._sort_fields outputParameters: - type: object mapping: $. - type: mcp namespace: materials-project-materials-xas-mcp port: 9090 transport: http description: MCP adapter for Materials Project API — Materials XAS. One tool per consumed operation, routed inline through this capability's consumes block. tools: - name: get-xasdoc-documents description: Get XASDoc documents hints: readOnly: true destructive: false idempotent: true call: materials-project-materials-xas.searchmaterialsxasget with: material_ids: tools.material_ids formula: tools.formula chemsys: tools.chemsys elements: tools.elements exclude_elements: tools.exclude_elements edge: tools.edge spectrum_type: tools.spectrum_type absorbing_element: tools.absorbing_element spectrum_ids: tools.spectrum_ids _page: tools._page _per_page: tools._per_page _skip: tools._skip _limit: tools._limit _fields: tools._fields _all_fields: tools._all_fields _sort_fields: tools._sort_fields outputParameters: - type: object mapping: $.