{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-07-23","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Interactive Connector","confidence":"medium","description":"Nexus logs workouts, meals, and body weight through chat. Review history, correct entries, and set calorie or protein targets. Sign in with Google or email; friends can share daily progress cards.","did":"6900b2ae-e6c9-4e9e-a7f0-9d98a20ac4f9","documentation_url":"https://nexus.kushalsm.com/usage-guide/","editorial_description":{"extended_description":"Workout records track personal records, while daily cards compare calories and macros with goals. Calorie and macro values from described meals are estimates made by Claude.","schema_version":1,"summary":"Nexus logs workouts, meals, and body weight through chat.\nReview history, correct entries, and set calorie or protein targets.\nSign in with Google or email; friends can share daily progress cards."},"homepage_url":"","icon":"https://nexus.kushalsm.com/favicon.ico","id":"6900b2ae-e6c9-4e9e-a7f0-9d98a20ac4f9","installs":0,"last_scanned":"","license":"","long_description":"Workout records track personal records, while daily cards compare calories and macros with goals. Calorie and macro values from described meals are estimates made by Claude.","manual_assessment":"medium","manual_review":{"all_findings":[{"evidence":"The tools persist meal, workout, body-weight entries and goals.","reasoning":"These are durable changes to sensitive personal health records.","risk_type":"data_modification","severity":"medium","title":"Logs and edits health and fitness records","triggering_tools_or_skills":["nexus_log_entries","nexus_update_entry","nexus_set_goal"]},{"evidence":"The connector description identifies workout, meal and body-weight history.","reasoning":"Health and body measurements are sensitive private data.","risk_type":"private_data_read","severity":"low","title":"Reads fitness, nutrition and weight history","triggering_tools_or_skills":["nexus_get_history"]},{"evidence":"The tool name does not reveal whether it sends invitations, accepts requests or only edits a local list.","reasoning":"External messaging or relationship authorization cannot be ruled out without official/runtime evidence.","risk_type":"authz_ambiguity","severity":"low","title":"Friend-management behavior is undocumented","triggering_tools_or_skills":["nexus_manage_friends"]}],"assessment_status":"provisional","auth_and_scopes":"Authentication is required; the connector stores user-specific health/fitness history and social relationships.","blocked_missing_evidence":null,"confidence":"medium","displayed_risk":"medium","evidence_completeness":"partial","manual_overall_risk":"medium","official_sources":[{"accessed_at":"2026-10-10T20:24:37Z","url_or_path":"plutosecurity/plutonium@b749c8dc43536c794409be9805edd48063f045e2:app/data/conn/claudesec/6900b2ae-e6c9-4e9e-a7f0-9d98a20ac4f9.json","what_it_proves":"Candidate PR #125 record identity (name \"Nexus\", publisher, type interactive_connector) and 5 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/6900b2ae-e6c9-4e9e-a7f0-9d98a20ac4f9: complete tool_names inventory (5 tools), remote streamable-http endpoint https://claude-mcp.nexus.kushalsm.com/mcp, auth_posture auth_required, directory tier community"}],"primary_reason":"Nexus persistently writes sensitive health logs, while friend-management semantics remain undocumented.","provisional_risk":null,"publication_recommendation":"fix","requires_runtime_verification":true,"review_key":"claude:6900b2ae-e6c9-4e9e-a7f0-9d98a20ac4f9","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all five tools. Official usage guide was inaccessible; runtime verification is required before treating manage_friends as non-messaging.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"unknown","browser_control":"false","credential_or_admin_actions":"false","deletes_data":"false","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":"false","sends_messages_as_user":"false","spends_or_moves_money":"false"},"tools_or_skills_reviewed":5,"tools_or_skills_total":5},"name":"Nexus","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=6900b2ae-e6c9-4e9e-a7f0-9d98a20ac4f9&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://nexus.kushalsm.com/privacy-policy/","provisional_risk":null,"publication_recommendation":"fix","publisher":"Kushal","publisher_url":"https://nexus.kushalsm.com/","remote_url":"https://claude-mcp.nexus.kushalsm.com/mcp","repository_url":"","risk":"medium","risk_severity":"medium","security_risks":[{"description":"This connector can create, update, configure, or otherwise change connected resources. Review findings: These are durable changes to sensitive personal health records.","evidence":"Logs and edits health and fitness records: The tools persist meal, workout, body-weight entries and goals.","manual_risk_type":"data_modification","remediation":{"block_tool_categories":["state_change"],"steps":["Use a test account or sandbox before allowing changes to production data.","Grant only the write permissions required for the intended workflow.","Require human confirmation for consequential state changes."]},"risk_type":"modifies_data","severity":"medium","title":"Logs and edits health and fitness records","triggering_tools":["nexus_log_entries","nexus_update_entry","nexus_set_goal"]},{"description":"This connector can read information available to the connected account and return it to the AI. Review findings: Health and body measurements are sensitive private data.","evidence":"Reads fitness, nutrition and weight history: The connector description identifies workout, meal and body-weight history.","manual_risk_type":"private_data_read","remediation":{"block_tool_categories":["data_exfiltration"],"steps":["Use a least-privilege account limited to the information required by the workflow.","Restrict folders, projects, tenants, and other data scopes wherever the provider allows it.","Review access logs for unexpected reads or bulk retrieval."]},"risk_type":"reads_private_data","severity":"low","title":"Reads fitness, nutrition and weight history","triggering_tools":["nexus_get_history"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"https://nexus.kushalsm.com/support/","tags":["interactive_connector","modifies_data","network_access","oauth_required","reads_private_data"],"tools":[{"description":"","name":"nexus_get_history"},{"description":"","name":"nexus_log_entries","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: These are durable changes to sensitive personal health records."}},{"description":"","name":"nexus_manage_friends"},{"description":"","name":"nexus_set_goal","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: These are durable changes to sensitive personal health records."}},{"description":"","name":"nexus_update_entry","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: These are durable changes to sensitive personal health records."}}],"tools_count":5,"transport":"streamable-http","type":"interactive_connector","url":"https://claude.ai/directory/6900b2ae-e6c9-4e9e-a7f0-9d98a20ac4f9","uuid":"db223e94-a4f4-53d4-8e71-a857259a24c7","verification_tier":"community","version":""},"query_key":"nexus","schema_version":1,"status":"match"}