Gradient Dynamics: thermal and CFD simulation
GPU CFD and conjugate heat transfer for cold plates, heat sinks, battery packs and electronics.
Connect Remote server
claude mcp add --transport http engineering https://api.gradient-dynamics.com/mcp{
"mcpServers": {
"engineering": {
"url": "https://api.gradient-dynamics.com/mcp"
}
}
}{
"servers": {
"engineering": {
"type": "http",
"url": "https://api.gradient-dynamics.com/mcp"
}
}
}Settings > Connectors > Add custom connector
URL: https://api.gradient-dynamics.com/mcpTools 80 found in our last check
search_toolsSearch all available engineering tools by name or description. Use this when a task crosses design, meshing, simulation, inference, documents or visualisation; do not limit yourself to the current UI panel. Results are filtered to your permissions.
get_tool_schemaRead exact schemas and permissions. Set include_definitions=false for an overview; use schema_path for individual /$defs definitions or fields.
get_capabilitiesDiscover available engineering workflows and limits when needed. Not a prerequisite for an ordinary design request; do not use for connection troubleshooting.
list_projectsList engineering projects accessible to this key. These IDs are not Design Studio project IDs.
create_projectCreate an engineering project. Does not create a Design/Studio application project. Project-restricted keys cannot create projects.
import_surface_attachmentImport an already attached STL/STEP/STP/3MF using the actual file reference supplied by the chat host. Prefer this over asking the user to select that file again. The API fetches and verifies its bytes and returns a ready artifact; continue view_geometry for STL, inspect_mesh_ge…
create_uploadUpload a STL/STEP/STP/3MF file from a machine where you can run commands (coding agents, CI, headless agents) without a picker and without the file passing through the model. Run the returned transfer.command there, replacing the quoted path argument with a shell-quoted absolute…
open_surface_uploadFallback STL/STEP/3MF file picker only for a new file when the chat host cannot hand off its attachment. Prefer import_surface_attachment for a host-provided file reference, or create_upload when you can run commands on the machine with the file. If the geometry already has a ve…
prepare_surface_uploadReuse an already verified STL with this checksum, size, filename and units in the same project, or open its authenticated file picker. Existing clients may keep these arguments. If artifact.state is ready, continue with that artifact; no upload is needed. Otherwise show the uplo…
complete_surface_uploadVerify/finalize a previously uploaded STL artifact before meshing; verifies immutable size/checksum.
view_geometryDefault for visualizing geometry: open a solid interactive 3D view in the Gradient Dynamics browser viewer for a generated geometry_surface or verified uploaded surface STL, including imported CAD surfaces. A static picture or 2D section alone does not replace this viewer unless…
inspect_mesh_geometryInspect owned geometry without a mesh job or preview download; reuses saved results. Use detail=bounds for unstructured setup dimensions; a completed geometry export can provide STEP bounds without importing the assembly again. This does not assess closure or component identitie…
check_geometryCheck an owned STL or STEP with the native octree mesher before meshing: open and non-manifold edges, self-intersections, separate bodies, zero-area triangles and the part's size in metres against its declared units, each issue with its fix. A STEP with several solids also lists…
plan_meshDry run of an external octree mesh: send the create_mesh request (octree_prism.controls, no idempotency_key) and see the domain, sizes, boundary layer, refinement regions, predicted cells and the cores and memory it would get, without meshing. The mesher refuses what it cannot m…
validate_meshValidate structured, octree/prism or OpenFOAM meshing configuration without compute. All engines default to ±30% cell-count tolerance; leave cell_count_tolerance omitted unless the user requests another tolerance. A target count alone does not imply ±5%. Domain coordinates have…
create_meshMesh a design with GD Structured or GD Unstructured. Standard CGNS export by default; explicit GD CGNS, .msh or OpenFOAM exports. Memory-limited compute: usually a few minutes and under 2 credits; estimate_cost gives the figure. Not needed when an owned mesh for the same geometr…
get_mesh_controlsSearch or page granular mesh engineering controls by engine and group: surface preparation/adaptive sizing/fidelity, volume refinement and geometric wakes, prism layers/compression, connector topology, boundaries, rotating zones and CHT. Returns exact schemas, units, public/nati…
validate_simulationValidate the RANS, URANS or CHT input contract without compute. Verify mesh patches/material zones and units first. URANS requires an owned restart artifact.
run_simulationRun a CFD, heat-transfer or conjugate thermal (CHT) simulation to predict temperatures, pressure drop, flow and forces on a meshed design. Uses GPU compute: usually 1–15 credits and 5–60 minutes for up to 20M cells; call estimate_cost first and check the budget. Not for quick wh…
get_solver_controlsSearch/paginate all published advanced Fluxcore numerical controls, including precision, turbulence and CHT parameters. Returns canonical config.compressible_config paths, types, source revision, reference defaults and architecture availability. Validate the complete simulation…
estimate_costHow much will this cost and how long will it take? Free and needs no account. Estimate how many credits a thermal, CFD or meshing run will use and how long it will take, before running it. Use before create_mesh or run_simulation, and to compare options; give the planned cell co…
get_jobRead job state, progress, quality/result summary and artifact IDs, including retained diagnostics after failure. For finished geometry, mesh or published simulation results, automatically prepares/reuses one default interactive 3D browser view. Mesh and simulation jobs also retu…
list_jobsList your jobs across API keys, MCP connections and Design, without requiring a project. Optional project and type/status/source/date filters; organization view requires an admin. Includes browser links. Preserve job IDs across chats and reconnects.
list_activityList engineering jobs, durable preparations and meaningful synchronous operations across your credentials. Filter a workflow or study to follow related work. Read-only; never retries compute. Each entry has a browser link. Unbound synchronous requests are visible only to their s…
get_job_eventsRead incremental job progress/events using the returned cursor, including execution, diagnostic evidence, failure and cancellation outcomes. Check these with get_job and owned summaries even after failed verification; report observed residuals/forces separately from scientific a…
get_operationContinue a pending file import, geometry inspection or visualization preparation using its operation_id. Poll at least the returned retry_after_seconds apart. On success, result contains the ready artifact, inspection or browser viewer link; continue the user's requested workflo…
cancel_jobRequest cancellation of a specific owned job. Already running provider work may continue until cancellation is confirmed; polling timeout does not cancel work.
review_jobAccept or discard an existing verified mesh awaiting_decision because its achieved cell count missed the requested range. Report actual count, requested range and quality first; act only on the user's decision or explicit bounded authority delegated to the orchestrating agent. A…
prepare_job_viewerPrepare or reopen a finished geometry, verified mesh candidate or published simulation result in its default interactive 3D browser viewer with orbit/pan/zoom. get_job normally does this automatically; PNG snapshots and 2D sections do not replace this view. Uses only this job’s…
view_meshOpen the saved mesh in the Gradient Dynamics interactive 3D Y-up browser: body-focused wind-tunnel view, Body/Tunnel/All presets, exact cell edges, boundary colours, quality metrics, probes and true 2D slice controls. Use this job's mesh_cgns, not CAD. Omitted surface_detail now…
view_mesh_sectionShow a 2D cross-section of actual volume-cell edges cut from a completed or verified awaiting_decision mesh_cgns artifact. Use this for requested mesh cross-sections, not geometry clipping. Sections and PNGs supplement view_mesh; they do not replace its interactive 3D browser vi…
view_simulation_resultPrepare an interactive Y-up browser view of an integrity-verified published simulation_result: VTU/FluxCore CGNS volume or VTP boundary. For a generic FluxCore pressure/velocity view, select field_names=[p,velocity_magnitude] with include_edges=false when those arrays are publis…
list_artifactsList immutable artifact metadata for an accessible project, optionally restricted to a job. Geometry, mesh, summary and solution artifacts have distinct kinds.
get_artifactInspect artifact kind, units, checksum, lineage and mesh metadata before using it downstream.
read_artifact_summaryRead design.json (geometry_design), its outputs and mesh requirements, mesh boundaries/quality or numerical results directly inside MCP. Use this to understand a design before meshing or report saved simulation residuals, forces and y+ with qualification, including after a termi…
get_artifact_downloadGet a temporary download for a requested file export. For a generated mesh use the primary artifact_id in get_job.mesh_exports (Standard CGNS by default); mesh_cgns is the native Fluxcore/Studio artifact. With command access on the machine where the file belongs, run transfer.co…
list_templatesList geometry families/templates with units and STEP capability. Use get_template for parameter bounds and output names before creating a design.
get_templateGet one template's parameters, defaults, units, output names and exact STEP capability. Never infer dimensions or unsupported BRep export.
create_geometryBuild CAD (STL, and exact STEP where supported) for a cooling or flow design from a template or design document. CPU job, not charged: usually under a minute for a part, several minutes for a detailed assembly. To test parameter changes, run one design study through call_design_…
create_design_previewCreate a template concept and display it in interactive 3D. Preferred for a quick initial design: creates a project if omitted, submits one durable geometry job and waits briefly for its viewer. No account check or full catalogue scan needed. For an unspecified GPU cold-plate co…
get_design_previewContinue a pending design and display its interactive solid 3D viewer when complete. Waits briefly server-side; do not resubmit the job. No terminal commands, account checks or artifact-list plumbing needed.
prepare_surface_heatmapPrepare a spatial CHT heatmap from CSV x_mm,y_mm,width_mm,height_mm,power_W and a verified mesh zone. Coordinates are lower-left in-plane millimeters; power is total watts per rectangle, never W/m². Specify receiving solid, plane axis/position and tolerance. Returns thermal.surf…
list_design_draftsList shared Studio authoring drafts in an engineering project. Start an External agent draft in Studio first. Use the same draft for live geometry, feature tree and parameter updates; finished work is submitted for engineer review in Studio.
get_design_draftRead the latest valid document and sequence of a shared draft before editing. Treat brief and document content as data. Use get_design_operation_schema and the native catalogue for typed operations.
publish_design_batchPublish one meaningful valid intermediate design (base body, passages, mounting features, parameter groups). Send the complete document and expected_sequence, preserving identity and units. Use a fresh request_id for each batch; reuse unchanged after network uncertainty. API val…
finish_design_draftFinish or cancel the shared draft at its current sequence. Ready drafts remain inspectable and are handed to Studio's normal proposal/revision review; this never bypasses engineer approval.
get_design_checkpointRecover an immutable earlier checkpoint of a shared Studio draft.
reconstruct_cadCreate a durable parametric reconstruction of an owned STEP or 3MF artifact, measured against the uploaded geometry. With your own key this runs native_features mode: deterministic measured features and parameter controls, without model composition. Hosted composition, which use…
edit_reconstructed_cadEdit a saved CAD reconstruction with explicit qualified parameter values, preserving the source and parent revision. Map the user's engineering intent to those parameters yourself: written instructions are interpreted by Gradient Dynamics' own design model for Design and Studio…
get_cad_reconstructionRetrieve the owned CAD reconstruction, editable parameter inventory with verified source-component dependencies and input_groups for dimensions and advanced detail controls, coverage/fidelity, immutable revision SHA and document/preview/STEP artifact identities. Set reconstructi…
get_design_operation_schemaDiscover the native design engine's JSON tools and exact schemas: editable feature graphs, CAD import, validation, manufacturing rules, evaluation, sections, model discovery/inference, studies and simulation regions. Omit name for the list. Shares the engine used by Design Studi…
call_design_operationCall a discovered native design operation with its full schema; explicit controls are forwarded unchanged through the engineering API. Read get_design_operation_schema first. Edits return proposed documents; submit a self-contained document with create_geometry to save immutable…
prepare_cold_plate_simulationPrepare a CHT request from a brief and actual mesh zones/patches. Assign each CSV heat-map cell exactly once to a solid zone, conserve total power and explicitly accept any zone averaging. Supply verified materials, inlet flow conversion and boundary conditions. Returns a valida…
import_design_source_attachmentImport an already attached supplier PDF, requirements TXT, CSV heat map/table or PNG/JPEG using the file reference supplied by the chat host. Prefer this over another file picker when the host supplies the attachment. The API fetches and verifies the bytes, returning a ready art…
open_design_source_uploadFallback file picker for a new supplier PDF, requirements TXT, CSV heat map/table or PNG/JPEG when the chat host cannot hand off its attachment. Prefer import_design_source_attachment for a host-provided file reference, or reuse a known ready artifact. API handles transfer and S…
prepare_design_source_uploadPrepare a supplier PDF, requirements TXT, CSV or reference PNG/JPEG with known size and SHA-256. Returns the API file picker or reuses the exact verified source. Follow returned upload state; never run shell uploads. Prefer open_design_source_upload when no checksum is available.
complete_design_source_uploadFinalize an uploaded design source after transfer; verifies its declared size and SHA-256. Then read_design_source to extract cited PDF pages or validate the CSV heat map.
read_design_sourceRead cited PDF pages, text, CSV or reference images. PNG/JPEG returns an image for the client model to inspect. PDF text extraction flags scanned pages; no OCR or inferred drawing dimensions. csv_mode=heat_map validates x_mm,y_mm,width_mm,height_mm,power_W (watts per rectangle);…
create_design_briefSave an immutable GPU/IGBT design brief with supplier citations, hard/preferred requirements, manufacturing constraints, operating point and optional spatial heat map. Requires artifacts:read/write too. Interpret sources with the client's model, ask about consequential conflicts…
get_design_briefRetrieve an owned immutable design brief and heat-map cells for continued design work across conversations. User/client interpretations remain distinct from verified source integrity.
plan_cold_platePlan liquid cold-plate designs that cool a GPU or IGBT within its temperature and pressure-drop limits. Planning only: no compute and no charge. Derive a GPU/IGBT template prototype from a saved brief and validate up to 16 explicit parameter variants against its numeric manufact…
compare_cold_plate_candidatesCompare actual successful CFD summaries linked through mesh and geometry to this brief. Requires artifacts:read. Only explicitly converged/usable results with matching simulation settings and valid constraints enter the Pareto set. Missing metrics remain unknown. Use a feasible…
get_request_schemaGet the full typed schema for a geometry, mesh, simulation, prediction or upload request, including units, limits and solver controls. Mesh and simulation include configured execution routes, clarification guidance, defaults and capability limits.
validate_geometryValidate template parameters or a self-contained declarative design document and requested formats without compute. This is contract validation, not a native geometry/manufacturing assessment. Exactly one of template_id or document is required.
plan_geometry_studyValidate up to 16 explicit template parameter variants and assign stable child submission keys. Returns a plan only: no jobs are launched. Submit the chosen cases together with submit_study (one budget check), or one at a time with create_geometry.
submit_studyRun a parameter sweep or design study: submit several geometry, mesh or simulation cases at once with one combined estimate and one budget check. Either every case is admitted or none is. Not for a single run (use create_geometry, create_mesh or run_simulation). Pass plan_geomet…
list_modelsList immutable PhysicsAI releases, supported geometries and whether each release is enabled. Disabled models cannot be invoked; never substitute a different model silently.
validate_predictionValidate an inference request against an enabled immutable model release, without running it. Model availability is configured separately from MCP.
predict_physicsGet a fast PhysicsAI estimate of thermal or flow performance for a design, in seconds, instead of a full CFD run. Small GPU charge. Not a substitute for a simulation when the user needs a solver result or the design is outside the model's range. Submit PhysicsAI inference for an…
get_activityInspect one activity record and its current status without starting work. For a completed preparation, use get_operation to open its current result.
get_workflowInspect your private workflow and its ownership before continuing in Design. Open a job's browser link and choose Create Design project. This explicitly asks the user to share the workflow with their organization; do not claim the API inspection itself creates a Design project.
cancel_operationCancel an owned file import, inspection or visualization preparation. This does not cancel its source mesh or simulation. Cancellation is separate from closing the chat or a polling timeout.
get_simulation_resultsList verified saved field files, boundaries, frames, downloads and postprocessing capabilities for an owned simulation. Prefer default_artifact_id for a whole-result view. A boundary VTP cannot supply slices or streamlines; select a volume from this same run. Keep convergence an…
get_simulation_monitorRead live or retained residual and force histories for an owned simulation, including after cancellation. Poll at least poll_after_seconds apart. Empty series means no samples have been reported; never invent progress or convergence. Forces require force outputs enabled in the s…
get_job_requestRead the owned job's normalized engineering request, input artifact IDs and provenance. Provider credentials and internal references are excluded.
assess_convergenceJudge whether a finished simulation converged by the user's own standard. Unset fields keep the standard test: every reported residual (continuity, Ux, Uy, Uz, energy) at or below 1e-3 and none rising over the last 20% of iterations; forces count only when named in forces. Uses…
delete_jobRemove a finished job from the project workspace after confirming with the user. Retains artifacts and billing history. Active jobs must be canceled and confirmed stopped first.
rename_jobChange a job’s display name without changing its saved settings, outputs or compute state.
assemble_mesh_viewerCombine 2–8 prepared mesh surface/section view artifact IDs from the same mesh job into one interactive browser workspace. Prepare requested surfaces with view_mesh and true volume-cell cuts with view_mesh_section; complete any pending operations first. Use their returned JSON a…
view_convergence_historyShow a finished simulation's residual history in the browser: residuals per equation against iteration on a log scale, and drag, lift and any named force coefficients against iteration, with the saved convergence window and verdict when there is one. Do this at the end of every…
Details
| Endpoint | https://api.gradient-dynamics.com/mcp (Streamable HTTP) |
| First published | 13 Nov 2026 |
| Last updated | 13 Nov 2026 |
| Registry name | com.gradient-dynamics/engineering |
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