naftiko: 1.0.0-alpha2 info: label: Materials Project API — Materials Phonon description: 'Materials Project API — Materials Phonon. 1 operations. Lead operation: Get PhononBSDOSDoc documents. Self-contained Naftiko capability covering one Materials Project business surface.' tags: - Materials Project - Materials Phonon 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-phonon baseUri: '' description: Materials Project API — Materials Phonon business capability. Self-contained, no shared references. resources: - name: materials-phonon path: /materials/phonon/ operations: - name: searchmaterialsphononget method: GET description: Get PhononBSDOSDoc 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: crystal_system in: query type: string description: Crystal system of the material. If a comma-separated string, will query by multiple crystal systems. - name: spacegroup_number in: query type: string description: Space group number of the material. If a comma-separated string, will query by multiple space group numbers. - name: spacegroup_symbol in: query type: string description: Space group symbol of the material. If a comma-separated string, will query by multiple space group numbers. - name: phonon_method in: query type: string description: Phonon Method to search for - name: nsites_max in: query type: string description: Query for maximum value of nsites - name: nsites_min in: query type: string description: Query for minimum value of nsites - name: nsites in: query type: string description: Query for nsites being equal to an exact value - name: nsites_not_eq in: query type: string description: Query for nsites being not equal to an exact value - name: nsites_eq_any in: query type: string description: Query for nsites being any of these values. Provide a comma separated list. - name: nsites_neq_any in: query type: string description: Query for nsites being not any of these values. Provide a comma separated list. - name: nelements_max in: query type: string description: Query for maximum value of nelements - name: nelements_min in: query type: string description: Query for minimum value of nelements - name: nelements in: query type: string description: Query for nelements being equal to an exact value - name: nelements_not_eq in: query type: string description: Query for nelements being not equal to an exact value - name: nelements_eq_any in: query type: string description: Query for nelements being any of these values. Provide a comma separated list. - name: nelements_neq_any in: query type: string description: Query for nelements being not any of these values. Provide a comma separated list. - name: volume_max in: query type: string description: Query for maximum value of volume - name: volume_min in: query type: string description: Query for minimum value of volume - name: density_max in: query type: string description: Query for maximum value of density - name: density_min in: query type: string description: Query for minimum value of density - name: density_atomic_max in: query type: string description: Query for maximum value of density_atomic - name: density_atomic_min in: query type: string description: Query for minimum value of density_atomic - name: total_dft_energy_max in: query type: string description: Query for maximum value of total_dft_energy - name: total_dft_energy_min in: query type: string description: Query for minimum value of total_dft_energy - name: volume_per_formula_unit_max in: query type: string description: Query for maximum value of volume_per_formula_unit - name: volume_per_formula_unit_min in: query type: string description: Query for minimum value of volume_per_formula_unit - name: formula_units_max in: query type: string description: Query for maximum value of formula_units - name: formula_units_min in: query type: string description: Query for minimum value of formula_units - name: formula_units in: query type: string description: Query for formula_units being equal to an exact value - name: formula_units_not_eq in: query type: string description: Query for formula_units being not equal to an exact value - name: formula_units_eq_any in: query type: string description: Query for formula_units being any of these values. Provide a comma separated list. - name: formula_units_neq_any in: query type: string description: Query for formula_units being not any of these values. Provide a comma separated list. - 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 PhononBSDOSDoc as a list of comma separated strings. Fields include: `nsites` `elements` `nelements` `composition` `co' - 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-phonon-rest port: 8080 description: REST adapter for Materials Project API — Materials Phonon. One Spectral-compliant resource per consumed operation, prefixed with /v1. resources: - path: /v1/materials/phonon name: materials-phonon description: REST surface for materials-phonon. operations: - method: GET name: searchmaterialsphononget description: Get PhononBSDOSDoc documents call: materials-project-materials-phonon.searchmaterialsphononget with: material_ids: rest.material_ids formula: rest.formula chemsys: rest.chemsys elements: rest.elements exclude_elements: rest.exclude_elements crystal_system: rest.crystal_system spacegroup_number: rest.spacegroup_number spacegroup_symbol: rest.spacegroup_symbol phonon_method: rest.phonon_method nsites_max: rest.nsites_max nsites_min: rest.nsites_min nsites: rest.nsites nsites_not_eq: rest.nsites_not_eq nsites_eq_any: rest.nsites_eq_any nsites_neq_any: rest.nsites_neq_any nelements_max: rest.nelements_max nelements_min: rest.nelements_min nelements: rest.nelements nelements_not_eq: rest.nelements_not_eq nelements_eq_any: rest.nelements_eq_any nelements_neq_any: rest.nelements_neq_any volume_max: rest.volume_max volume_min: rest.volume_min density_max: rest.density_max density_min: rest.density_min density_atomic_max: rest.density_atomic_max density_atomic_min: rest.density_atomic_min total_dft_energy_max: rest.total_dft_energy_max total_dft_energy_min: rest.total_dft_energy_min volume_per_formula_unit_max: rest.volume_per_formula_unit_max volume_per_formula_unit_min: rest.volume_per_formula_unit_min formula_units_max: rest.formula_units_max formula_units_min: rest.formula_units_min formula_units: rest.formula_units formula_units_not_eq: rest.formula_units_not_eq formula_units_eq_any: rest.formula_units_eq_any formula_units_neq_any: rest.formula_units_neq_any _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-phonon-mcp port: 9090 transport: http description: MCP adapter for Materials Project API — Materials Phonon. One tool per consumed operation, routed inline through this capability's consumes block. tools: - name: get-phononbsdosdoc-documents description: Get PhononBSDOSDoc documents hints: readOnly: true destructive: false idempotent: true call: materials-project-materials-phonon.searchmaterialsphononget with: material_ids: tools.material_ids formula: tools.formula chemsys: tools.chemsys elements: tools.elements exclude_elements: tools.exclude_elements crystal_system: tools.crystal_system spacegroup_number: tools.spacegroup_number spacegroup_symbol: tools.spacegroup_symbol phonon_method: tools.phonon_method nsites_max: tools.nsites_max nsites_min: tools.nsites_min nsites: tools.nsites nsites_not_eq: tools.nsites_not_eq nsites_eq_any: tools.nsites_eq_any nsites_neq_any: tools.nsites_neq_any nelements_max: tools.nelements_max nelements_min: tools.nelements_min nelements: tools.nelements nelements_not_eq: tools.nelements_not_eq nelements_eq_any: tools.nelements_eq_any nelements_neq_any: tools.nelements_neq_any volume_max: tools.volume_max volume_min: tools.volume_min density_max: tools.density_max density_min: tools.density_min density_atomic_max: tools.density_atomic_max density_atomic_min: tools.density_atomic_min total_dft_energy_max: tools.total_dft_energy_max total_dft_energy_min: tools.total_dft_energy_min volume_per_formula_unit_max: tools.volume_per_formula_unit_max volume_per_formula_unit_min: tools.volume_per_formula_unit_min formula_units_max: tools.formula_units_max formula_units_min: tools.formula_units_min formula_units: tools.formula_units formula_units_not_eq: tools.formula_units_not_eq formula_units_eq_any: tools.formula_units_eq_any formula_units_neq_any: tools.formula_units_neq_any _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: $.