datalens-dev-mcp
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| YC_IAM_TOKEN | No | Your Yandex Cloud IAM token (alternative to DATALENS_IAM_TOKEN). | |
| DATALENS_ORG_ID | No | Your Yandex Cloud organization ID. | |
| DATALENS_ENV_FILE | No | Path to environment file containing credentials. | |
| DATALENS_IAM_TOKEN | No | Your IAM token (alternative to YC_IAM_TOKEN). | |
| DATALENS_API_VERSION | No | API version. | auto |
| DATALENS_API_BASE_URL | No | Base URL for DataLens API. | https://api.datalens.tech |
| DATALENS_MCP_LOCAL_CONFIG | No | Path to local configuration file. | |
| DATALENS_MCP_ENABLE_WRITES | No | Enable write operations. | 0 |
| DATALENS_MCP_LIVE_ALLOW_SAVE | No | Allow save operations. | 0 |
| DATALENS_MCP_ENABLE_EXPERT_RPC | No | Enable expert RPC. | 0 |
| DATALENS_MCP_LIVE_ALLOW_PUBLISH | No | Allow publish operations. | 0 |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {} |
| prompts | {} |
| resources | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| dl_get_local_configC | Return resolved local MCP config and source metadata. |
| dl_runtime_statusC | Return secret-safe runtime flags, auth, config, and route status. |
| dl_auth_probeB | Probe live auth with minimal getWorkbooksList read without secrets. |
| dl_validate_editor_runtime_contractC | Validate Advanced Editor runtime HTML/JS before save or publish. |
| dl_classify_source_errorB | Classify DataLens source/runtime errors without exposing query or secrets. |
| dl_diagnoseB | Bounded SQL/grain/graph/performance diagnostics with artifact-backed evidence. |
| dl_referenceC | Bounded source-traced DataLens docs, recipe, formula, error, and capability reference. |
| dl_validate_projectC | Run offline route/editor/artifact/privacy validation. |
| dl_build_payload_planC | Compile generated bundles into dry-run DataLens payload plan. |
| dl_detect_project_live_workflowsC | Detect manifest-backed project live workflows or request an adapter. |
| dl_plan_project_manifestC | Preview or write an approved project workflow manifest. |
| dl_plan_project_live_workflowB | Plan a manifest-declared project live workflow without execution. |
| dl_run_project_live_dry_runC | Run manifest dry-run command with secret-safe env. |
| dl_run_project_live_applyC | Run approved manifest apply/publish command behind live guards. |
| dl_read_project_live_summaryC | Read and normalize a project live workflow summary JSON. |
| dl_run_live_maintenance_updateC | Plan and validate Delta v8 maintenance from supplied guarded execution and runtime evidence. |
| dl_build_dashboard_source_availability_matrixC | Build Delta v7 supplied-evidence source availability matrix. |
| dl_validate_source_availability_consumersB | Validate dashboard consumers against one source availability matrix. |
| dl_plan_source_availability_patchC | Plan source availability corrections without querying source systems. |
| dl_create_safe_apply_planC | Create guarded safe-apply plan; unapproved by default. |
| dl_execute_safe_applyC | Execute guarded safe apply only when enabled and approved. |
| dl_create_publish_from_saved_planC | Create publish plan only from a saved-branch readback artifact. |
| dl_readback_and_reportC | Create readback summary and deployment report. |
| dl_snapshot_dashboardD | Snapshot dashboard graph and sanitized object artifacts. |
| dl_build_validation_evidence_reportC | Build static/readback/runtime validation evidence report. |
| dl_list_workbooksB | Read-only DataLens workbook list. |
| dl_get_workbook_entriesC | Read-only workbook entries. |
| dl_get_entries_relationsC | Read-only entry relation graph. |
| dl_read_objectC | Read a supported DataLens object by type and id. |
| dl_plan_object_createC | Plan OpenAPI-backed object creation with named source adapters. |
| dl_plan_object_updateC | Plan OpenAPI-backed object update with named source adapters. |
| dl_validate_objectC | Validate an OpenAPI-backed object payload without mutation. |
| dl_compile_guarded_rpc_requestC | Compile a Delta v7 guarded RPC request contract. |
| dl_plan_guarded_dataset_updateC | Plan validateDataset/updateDataset with GUID preservation and saved readback. |
| dl_plan_dashboard_tab_updateB | Plan append/replace of one dashboard tab while preserving unrelated tabs. |
| dl_reconcile_partial_createsC | Match planned creates to existing workbook objects without deletion. |
| dl_list_api_methodsC | List curated DataLens API method catalog. |
| dl_get_api_method_schemaB | Return compact method schema from curated catalog. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
| datalens.develop_dashboard | One-prompt lane for a new governed dashboard from requirements and data evidence. |
| datalens.redesign_existing | Hydrate an existing dashboard baseline, redesign safely, and produce review artifacts. |
| datalens.enhance_existing | Add or repair widgets/selectors on an existing dashboard with fresh-read gates. |
| datalens.wizard_to_js | Classify Wizard widgets, preserve native maps, and plan supported JS conversions. |
| datalens.safe_apply_review | Review a dry-run payload and safe-apply plan before any guarded write. |
| datalens.visual_review | Review a DataLens dashboard or widget using local governance rules. |
| datalens.widget_conversion | Plan or implement a governed non-map widget conversion to supported Editor routes. |
| datalens.live_diagnostics | Run read-only live DataLens diagnostics and prepare safe local evidence. |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
| project/requirements | |
| Route contract | |
| API method catalog | |
| Project artifact by name | |
| Dashboard baseline | |
| Latest saved dashboard readback |
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