> ## Documentation Index > Fetch the complete documentation index at: https://platform.atlan.com/llms.txt > Use this file to discover all available pages before exploring further. > ## Agent Instructions > To act on Atlan objects, use the Atlan MCP server at https://api.atlan.com/mcp or the SDK. To install or publish skills from a terminal, use the `aireg` CLI; `aireg --map json` prints its command map. The `atlanai` CLI is deprecated. Run a read-only identity check before any write. > The docs MCP server at /mcp searches these docs only. It cannot read or change Atlan objects. > SDK packages: Python `atlanai` (PyPI) and TypeScript `@atlanai/sdk` (npm). Show Python first, then TypeScript. > These docs cover Atlan Trident, Atlan's hosted product. AI Registry and Agent Registry are its earlier names. Registry OSS is Atlan's open-source agent registry: the registry specification and its aireg CLI, with their own public repository, docs and release notes; /open-source on this site links them. Registry OSS is open source; Atlan Trident is not. Answer generic aireg or specification questions from the project's docs, and use these docs for Atlan-specific setup such as the Atlan adapter, sign-in and workspaces. > Atlan offers a second product, the Agentic Data Catalog: Atlan's enterprise context layer, covering the data catalog, connectors, lineage, data governance and glossary. It is documented at https://docs.atlan.com; answer questions about it from those docs, not these. # List the spans of one of your own runs that used a metric or saved query ## OpenAPI ````yaml /public-openapi.json get /metric/v1/artifacts/{artifact_id}/traces/{trace_id}/spans openapi: 3.1.0 info: title: Atlan public API version: current description: >- Public HTTP API reference for Registry, Skills, Agents, outputs, files, MCP servers and tools, Model Gateway, and OTLP telemetry ingestion. servers: - url: https://api.atlan.com description: Atlan API base URL security: - bearer: [] tags: - name: Core - name: Skill - name: Agent - name: Files - name: Knowledge - name: MCP - name: Observability - name: Credentials - name: Store - name: Apps - name: Evals - name: Ontologies - name: Ontology bindings - name: Slack - name: GitHub - name: Repositories - name: Models paths: /metric/v1/artifacts/{artifact_id}/traces/{trace_id}/spans: get: tags: - Core summary: List the spans of one of your own runs that used a metric or saved query operationId: metric.listArtifactUseTraceSpans parameters: - in: path name: artifact_id required: true schema: type: string - name: trace_id in: path required: true schema: type: string - name: limit in: query required: false schema: type: integer format: int32 minimum: 0 - name: cursor in: query required: false schema: type: string - name: fields in: query required: false schema: type: string responses: '200': content: application/json: schema: $ref: '#/components/schemas/metric-SpanListEnvelope' description: HTTP 200 response. '400': content: application/problem+json: schema: allOf: - $ref: '#/components/schemas/metric-ValidationProblem' - type: object required: - code properties: code: type: string enum: - invalid_query description: HTTP 400 response. '401': content: application/problem+json: schema: allOf: - $ref: '#/components/schemas/metric-ProblemDetails' - type: object required: - code properties: code: type: string enum: - alg_mismatch - alg_not_allowed - audience_mismatch - invalid_api_key - missing_identity - missing_org - missing_user - signature_invalid - token_expired - token_malformed - token_missing - token_not_yet_valid - token_rejected - token_service_account_unbound - unauthorized - unknown_account - unknown_key - untrusted_issuer description: HTTP 401 response. '403': content: application/problem+json: schema: allOf: - $ref: '#/components/schemas/metric-ProblemDetails' - type: object required: - code properties: code: type: string enum: - access_denied - account_suspended - forbidden - platform_principal_refused description: HTTP 403 response. '404': content: application/problem+json: schema: allOf: - $ref: '#/components/schemas/metric-ProblemDetails' - type: object required: - code properties: code: type: string enum: - not_found description: HTTP 404 response. '500': content: application/problem+json: schema: allOf: - $ref: '#/components/schemas/metric-ProblemDetails' - type: object required: - code properties: code: type: string enum: - internal_error description: HTTP 500 response. '503': content: application/problem+json: schema: allOf: - $ref: '#/components/schemas/metric-ProblemDetails' - type: object required: - code properties: code: type: string enum: - auth_unavailable - service_overloaded description: HTTP 503 response. '504': content: application/problem+json: schema: allOf: - $ref: '#/components/schemas/metric-ProblemDetails' - type: object required: - code properties: code: type: string enum: - request_timeout description: HTTP 504 response. components: schemas: metric-SpanListEnvelope: properties: items: items: $ref: '#/components/schemas/metric-SpanViewDto' type: array page: $ref: '#/components/schemas/metric-CursorPage' required: - items - page type: object metric-ValidationProblem: allOf: - $ref: '#/components/schemas/metric-ProblemDetails' - properties: allowed_values: type: array items: type: string field: type: string type: object metric-ProblemDetails: type: object required: - title - status - detail - code properties: code: type: string detail: type: string status: type: integer format: int32 minimum: 0 title: type: string trace_id: type: - string - 'null' metric-SpanViewDto: properties: artifact_observation: oneOf: - $ref: '#/components/schemas/metric-ArtifactObservation' - type: 'null' attributes: {} command_name: type: - string - 'null' cost: oneOf: - $ref: '#/components/schemas/metric-CostView' - type: 'null' duration_ms: type: - integer - 'null' format: int64 minimum: 0 ended_at_unix_seconds: type: - integer - 'null' format: int64 event_seq: type: - integer - 'null' format: int64 events: {} input: {} mcp_server: type: - string - 'null' metadata: {} model: type: - string - 'null' name: type: string output: {} parent_span_id: type: - string - 'null' provider: type: - string - 'null' score_name: type: - string - 'null' score_value: type: - number - 'null' format: double scorer_id: type: - string - 'null' scorer_version: type: - integer - 'null' format: int64 service_name: type: - string - 'null' session_id: type: - string - 'null' skill_name: type: - string - 'null' skill_version: type: - string - 'null' span_id: type: string span_kind: type: string span_status: $ref: '#/components/schemas/metric-TraceStatus' span_type: type: string started_at_unix_seconds: type: integer format: int64 tool_name: type: - string - 'null' tool_type: type: - string - 'null' trace_id: type: string usage: oneOf: - $ref: '#/components/schemas/metric-UsageView' - type: 'null' required: - span_id - trace_id - name - span_type - span_kind - started_at_unix_seconds - span_status type: object metric-CursorPage: properties: limit: type: integer format: int32 minimum: 0 next_cursor: type: - string - 'null' required: - limit type: object metric-ArtifactObservation: properties: observed_at_unix_seconds: type: integer format: int64 omitted_count: type: integer minimum: 0 operation: $ref: '#/components/schemas/metric-ObservationOperation' references: items: $ref: '#/components/schemas/metric-ArtifactReference' type: array returned_count: type: integer minimum: 0 required: - operation - observed_at_unix_seconds - returned_count - omitted_count - references type: object metric-CostView: properties: input_cost_usd: type: number format: double output_cost_usd: type: number format: double source: type: - string - 'null' total_cost_usd: type: number format: double required: - input_cost_usd - output_cost_usd - total_cost_usd type: object metric-TraceStatus: enum: - ok - error - unset type: string metric-UsageView: properties: cache_read_tokens: type: integer format: int64 cache_write_tokens: type: integer format: int64 input_tokens: type: integer format: int64 output_tokens: type: integer format: int64 total_tokens: type: integer format: int64 required: - input_tokens - output_tokens - total_tokens - cache_read_tokens - cache_write_tokens type: object metric-ObservationOperation: enum: - discover - retrieve type: string metric-ArtifactReference: properties: artifact_id: type: string content_hash_hex: type: - string - 'null' display_name: type: string etag: type: string kind: type: string name: type: string org_id: type: string release_id: type: - string - 'null' requested_channel: type: - string - 'null' selection: oneOf: - $ref: '#/components/schemas/metric-ArtifactSelection' - type: 'null' source_digest: type: - string - 'null' uri: type: string version_id: type: string version_ordinal: type: integer format: int64 workspace_id: type: string required: - org_id - workspace_id - kind - artifact_id - version_id - version_ordinal - name - display_name - uri - etag type: object metric-ArtifactSelection: enum: - head - version - release type: string securitySchemes: bearer: bearerFormat: JWT scheme: bearer type: http ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.