{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-07-08","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"medium","description":"Explore materials-characterization and metrology data in Atomscale. Search samples, retrieve analysis results, annotate data, and create or edit analysis notebooks. Access follows your organization permissions through OAuth or an API key.","did":"e37d0e68-192b-4849-a769-a3e88b8f1dcf","documentation_url":"https://docs.atomscale.ai/mcp-server","editorial_description":{"extended_description":"Upload files, retrieve similarity embeddings, and start, feed, or stop instrument streams. Supported data spans microscopy, spectroscopy, thin-film processes, instrument logs, and recipes; notebooks use Python and marimo.","schema_version":1,"summary":"Explore materials-characterization and metrology data in Atomscale.\nSearch samples, retrieve analysis results, annotate data, and create or edit analysis notebooks.\nAccess follows your organization permissions through OAuth or an API key."},"homepage_url":"","icon":"","id":"e37d0e68-192b-4849-a769-a3e88b8f1dcf","installs":0,"last_scanned":"","license":"","long_description":"Upload files, retrieve similarity embeddings, and start, feed, or stop instrument streams. Supported data spans microscopy, spectroscopy, thin-film processes, instrument logs, and recipes; notebooks use Python and marimo.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"The description explicitly identifies Python marimo notebooks.","reasoning":"Notebook code can execute against scientific data and compute resources.","risk_type":"code_execution","severity":"high","title":"Python analysis notebooks can be created and edited","triggering_tools_or_skills":["create_notebook","edit_notebook"]},{"evidence":"These tools control live metrology data pipelines and feedback.","reasoning":"They alter production instrument-stream infrastructure.","risk_type":"deployment_infrastructure","severity":"high","title":"Live instrument streams can be started, written and stopped","triggering_tools_or_skills":["start_stream","push_stream_chunk","stop_stream"]},{"evidence":"The tools persist files and metadata.","reasoning":"They change organization datasets.","risk_type":"file_write","severity":"medium","title":"Scientific files can be uploaded and annotated","triggering_tools_or_skills":["upload_data","annotate_data"]},{"evidence":"User/instrument-authored content is returned.","reasoning":"It may contain prompt injection.","risk_type":"prompt_injection_exposure","severity":"low","title":"Instrument logs, recipes and notebooks enter model context","triggering_tools_or_skills":["fetch_data","fetch_notebook","fetch_results"]},{"evidence":"The connector runs at https://api.atomscale.ai/mcp without a pinned server implementation in the packet.","reasoning":"The implementation can change independently, so runtime verification and change monitoring remain necessary.","risk_type":"provenance_uncertainty","severity":"low","title":"Atomscale is a mutable hosted service","triggering_tools_or_skills":[]}],"assessment_status":"provisional","auth_and_scopes":"OAuth or API key applies the same organization permissions as the web app; exact stream destination and notebook execution boundaries are not documented.","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/e37d0e68-192b-4849-a769-a3e88b8f1dcf.json","what_it_proves":"Candidate PR #125 record identity (name \"Atomscale\", publisher, type web_connector) and 16 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/e37d0e68-192b-4849-a769-a3e88b8f1dcf: complete tool_names inventory (16 tools), remote streamable-http endpoint https://api.atomscale.ai/mcp, auth_posture auth_required, directory tier community"}],"primary_reason":"Atomscale can edit executable Python notebooks and control live instrument data streams.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:e37d0e68-192b-4849-a769-a3e88b8f1dcf","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 16 tools. Runtime verification must confirm notebook execution and stream feedback safeguards.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"false","browser_control":"false","credential_or_admin_actions":"false","deletes_data":"false","deployment_or_infrastructure":"true","dynamic_hidden_actions":"false","filesystem_or_repo_access":"true","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":"false","spends_or_moves_money":"false"},"tools_or_skills_reviewed":16,"tools_or_skills_total":16},"name":"Atomscale","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=e37d0e68-192b-4849-a769-a3e88b8f1dcf&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://docs.atomscale.ai/platform/reference/ip-and-data","provisional_risk":null,"publication_recommendation":"accept","publisher":"Atomscale","publisher_url":"https://www.atomscale.ai/","remote_url":"https://api.atomscale.ai/mcp","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"This connector can execute code, commands, queries, or dynamically selected actions. 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