naftiko: 1.0.0-alpha2 info: label: Materials Project API — Materials Grain Boundaries description: 'Materials Project API — Materials Grain Boundaries. 1 operations. Lead operation: Get GrainBoundaryDoc documents. Self-contained Naftiko capability covering one Materials Project business surface.' tags: - Materials Project - Materials Grain Boundaries 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-grain-boundaries baseUri: '' description: Materials Project API — Materials Grain Boundaries business capability. Self-contained, no shared references. resources: - name: materials-grain_boundaries path: /materials/grain_boundaries/ operations: - name: searchmaterialsgrainboundariesget method: GET description: Get GrainBoundaryDoc 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: task_ids in: query type: string description: Comma-separated list of Materials Project IDs to query on. - name: sigma_max in: query type: string description: Query for maximum value of sigma - name: sigma_min in: query type: string description: Query for minimum value of sigma - name: sigma in: query type: string description: Value of sigma. - name: sigma_not_eq in: query type: string description: Query for sigma being not equal to an exact value - name: sigma_eq_any in: query type: string description: Query for sigma being any of these values. Provide a comma separated list. - name: sigma_neq_any in: query type: string description: Query for sigma being not any of these values. Provide a comma separated list. - name: rotation_angle_max in: query type: string description: Query for maximum value of rotation_angle - name: rotation_angle_min in: query type: string description: Query for minimum value of rotation_angle - name: gb_energy_max in: query type: string description: Query for maximum value of gb_energy - name: gb_energy_min in: query type: string description: Query for minimum value of gb_energy - name: w_sep_max in: query type: string description: Query for maximum value of w_sep - name: w_sep_min in: query type: string description: Query for minimum value of w_sep - name: type in: query type: string description: Grain boundary type. - name: chemsys in: query type: string description: Dash-delimited string of elements in the material. - name: pretty_formula in: query type: string description: Formula of the material. - name: gb_plane in: query type: string description: Miller index of the grain boundary plane as comma delimitd integers. - name: rotation_axis in: query type: string description: Miller index of the rotation axis as comma delimitd integers. - 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 GrainBoundaryDoc as a list of comma separated strings. Fields include: `material_id` `sigma` `type` `rotation_axis` `g' - name: _all_fields in: query type: boolean description: Include all fields. authentication: type: apikey key: X-API-KEY value: '{{env.MATERIALS_PROJECT_API_KEY}}' placement: header exposes: - type: rest namespace: materials-project-materials-grain-boundaries-rest port: 8080 description: REST adapter for Materials Project API — Materials Grain Boundaries. One Spectral-compliant resource per consumed operation, prefixed with /v1. resources: - path: /v1/materials/grain-boundaries name: materials-grain-boundaries description: REST surface for materials-grain_boundaries. operations: - method: GET name: searchmaterialsgrainboundariesget description: Get GrainBoundaryDoc documents call: materials-project-materials-grain-boundaries.searchmaterialsgrainboundariesget with: material_ids: rest.material_ids task_ids: rest.task_ids sigma_max: rest.sigma_max sigma_min: rest.sigma_min sigma: rest.sigma sigma_not_eq: rest.sigma_not_eq sigma_eq_any: rest.sigma_eq_any sigma_neq_any: rest.sigma_neq_any rotation_angle_max: rest.rotation_angle_max rotation_angle_min: rest.rotation_angle_min gb_energy_max: rest.gb_energy_max gb_energy_min: rest.gb_energy_min w_sep_max: rest.w_sep_max w_sep_min: rest.w_sep_min type: rest.type chemsys: rest.chemsys pretty_formula: rest.pretty_formula gb_plane: rest.gb_plane rotation_axis: rest.rotation_axis _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: $. - type: mcp namespace: materials-project-materials-grain-boundaries-mcp port: 9090 transport: http description: MCP adapter for Materials Project API — Materials Grain Boundaries. One tool per consumed operation, routed inline through this capability's consumes block. tools: - name: get-grainboundarydoc-documents description: Get GrainBoundaryDoc documents hints: readOnly: true destructive: false idempotent: true call: materials-project-materials-grain-boundaries.searchmaterialsgrainboundariesget with: material_ids: tools.material_ids task_ids: tools.task_ids sigma_max: tools.sigma_max sigma_min: tools.sigma_min sigma: tools.sigma sigma_not_eq: tools.sigma_not_eq sigma_eq_any: tools.sigma_eq_any sigma_neq_any: tools.sigma_neq_any rotation_angle_max: tools.rotation_angle_max rotation_angle_min: tools.rotation_angle_min gb_energy_max: tools.gb_energy_max gb_energy_min: tools.gb_energy_min w_sep_max: tools.w_sep_max w_sep_min: tools.w_sep_min type: tools.type chemsys: tools.chemsys pretty_formula: tools.pretty_formula gb_plane: tools.gb_plane rotation_axis: tools.rotation_axis _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: $.