{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-06-24","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"medium","description":"Connects Claude to enterprise data context and metadata in Atlan. Discover data assets, trace lineage, and consult governed definitions and glossaries. Curate metadata, manage data-quality rules and query organizational data.","did":"1f9ac316-e81d-40eb-b798-5aef745a26a4","documentation_url":"https://docs.atlan.com/","editorial_description":{"extended_description":"Tools cover asset tags and attributes, custom metadata, glossaries, domains and data products. Data-quality rules can be created, updated and scheduled, while asset lifecycle and announcements can also be managed.","schema_version":1,"summary":"Connects Claude to enterprise data context and metadata in Atlan.\nDiscover data assets, trace lineage, and consult governed definitions and glossaries.\nCurate metadata, manage data-quality rules and query organizational data."},"homepage_url":"","icon":"https://assets.atlan.com/assets/atlan.svg","id":"1f9ac316-e81d-40eb-b798-5aef745a26a4","installs":0,"last_scanned":"","license":"","long_description":"Tools cover asset tags and attributes, custom metadata, glossaries, domains and data products. Data-quality rules can be created, updated and scheduled, while asset lifecycle and announcements can also be managed.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"The inventory explicitly declares deletion/removal of governance configuration and metadata.","reasoning":"These actions destroy meaningful catalog and quality-control state.","risk_type":"data_deletion","severity":"high","title":"Deletes metadata sets and data-quality rules","triggering_tools_or_skills":["delete_custom_metadata_set_tool","delete_dq_rules_tool","remove_custom_metadata_tool"]},{"evidence":"The connector exposes query execution over the enterprise data catalog without a documented grammar.","reasoning":"Potentially expressive queries over sensitive assets meet the High query threshold pending schema confirmation.","risk_type":"query_execution","severity":"high","title":"Runs benchmark and asset queries","triggering_tools_or_skills":["benchmark_query_tool","query_assets_tool"]},{"evidence":"These tools persist broad catalog, glossary, data-quality and lifecycle changes.","reasoning":"They materially alter enterprise governance metadata.","risk_type":"data_modification","severity":"medium","title":"Creates and updates enterprise data governance objects","triggering_tools_or_skills":["create_data_products","create_domains","create_glossaries","create_dq_rules_tool","schedule_dq_rules_tool","update_assets_tool","manage_asset_lifecycle_tool"]}],"assessment_status":"provisional","auth_and_scopes":"Authentication reaches Atlan assets, domains, glossaries, data products, quality rules, tags, metadata and announcements; lifecycle/delete/admin permissions are undocumented.","blocked_missing_evidence":null,"confidence":"medium","displayed_risk":"high","evidence_completeness":"partial","manual_overall_risk":"high","official_sources":[{"accessed_at":"2026-10-10T20:24:37Z","url_or_path":"plutosecurity/plutonium@b749c8dc43536c794409be9805edd48063f045e2:app/data/conn/claudesec/1f9ac316-e81d-40eb-b798-5aef745a26a4.json","what_it_proves":"Candidate PR #125 record identity (name \"atlan\", publisher, type web_connector) and 32 stored tool names; no tool descriptions stored"},{"accessed_at":"2026-09-22T10:46:07Z","url_or_path":"https://api.anthropic.com/api/directory/servers?verified_tier=anthropic,partner,community (snapshot claude-directory-all-tiers-2026-09-22.json)","what_it_proves":"Official Claude Directory listing https://claude.ai/directory/1f9ac316-e81d-40eb-b798-5aef745a26a4: complete tool_names inventory (32 tools), remote streamable-http endpoint https://mcp.atlan.com/mcp, auth_posture auth_required, directory tier community"}],"primary_reason":"Atlan deletes governance metadata/rules, runs catalog queries and broadly modifies data-governance objects.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:1f9ac316-e81d-40eb-b798-5aef745a26a4","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 32 names. Verify query languages, lifecycle transitions, announcement delivery, delete recovery and role checks.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"true","browser_control":"false","credential_or_admin_actions":"false","deletes_data":"true","deployment_or_infrastructure":"false","dynamic_hidden_actions":"false","filesystem_or_repo_access":"false","forwards_data_to_third_party":"true","modifies_data":"true","persistent_credentials":"true","prompt_injection_exposure":"true","provenance_uncertainty":"true","reads_private_data":"true","runs_code_or_queries":"true","sends_messages_as_user":"unknown","spends_or_moves_money":"false"},"tools_or_skills_reviewed":32,"tools_or_skills_total":32},"name":"atlan","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=1f9ac316-e81d-40eb-b798-5aef745a26a4&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://6880682.fs1.hubspotusercontent-na1.net/hubfs/6880682/Legal/Atlan%20Privacy%20Notice%20Final-060423.pdf?ref=https%3A%2F%2Fatlan.com%2F","provisional_risk":null,"publication_recommendation":"accept","publisher":"Atlan","publisher_url":"https://atlan.com/","remote_url":"https://mcp.atlan.com/mcp","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"This connector can permanently remove data or resources. 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Review findings: They materially alter enterprise governance metadata."}},{"description":"","name":"create_dq_rules_tool","risk":{"category":"state_change","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. Review findings: They materially alter enterprise governance metadata."}},{"description":"","name":"create_glossaries","risk":{"category":"state_change","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. Review findings: They materially alter enterprise governance metadata."}},{"description":"","name":"create_glossary_categories"},{"description":"","name":"create_glossary_terms"},{"description":"","name":"delete_custom_metadata_set_tool","risk":{"category":"destructive","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can permanently remove data or resources. Review findings: These actions destroy meaningful catalog and quality-control state."}},{"description":"","name":"delete_dq_rules_tool","risk":{"category":"destructive","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can permanently remove data or resources. Review findings: These actions destroy meaningful catalog and quality-control state."}},{"description":"","name":"describe_asset_type_tool"},{"description":"","name":"get_assets_tool"},{"description":"","name":"get_groups_tool"},{"description":"","name":"get_quest_progress_tool"},{"description":"","name":"manage_announcements_tool"},{"description":"","name":"manage_asset_lifecycle_tool","risk":{"category":"state_change","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. Review findings: They materially alter enterprise governance metadata."}},{"description":"","name":"query_assets_tool","risk":{"category":"code_execution","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: Potentially expressive queries over sensitive assets meet the High query threshold pending schema confirmation."}},{"description":"","name":"remove_atlan_tag_tool"},{"description":"","name":"remove_attributes_from_cm_set_tool"},{"description":"","name":"remove_custom_metadata_tool","risk":{"category":"destructive","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can permanently remove data or resources. Review findings: These actions destroy meaningful catalog and quality-control state."}},{"description":"","name":"resolve_metadata_tool"},{"description":"","name":"schedule_dq_rules_tool","risk":{"category":"state_change","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. Review findings: They materially alter enterprise governance metadata."}},{"description":"","name":"search_assets_tool"},{"description":"","name":"search_atlan_docs_tool"},{"description":"","name":"semantic_search_tool"},{"description":"","name":"traverse_lineage_tool"},{"description":"","name":"update_assets_tool","risk":{"category":"state_change","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. 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