{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-09-20","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"no_auth","category":"Web Connector","confidence":"medium","description":"Compare US mobile plans and switching costs with SaveOnPhone. Search carrier options and inspect published features, source dates, and supported cost calculations. The public connector is read-only and requires no account or API key.","did":"e2e484c1-7c35-4d73-a049-6d99e77ab2df","documentation_url":"https://saveonphone.com/developers/","editorial_description":{"extended_description":"Upfront, renewal, or first-year costs are calculated only where evidence supports them; unknown amounts stay marked. Some outbound carrier links are disclosed affiliates. The connector cannot purchase plans, cancel service, port numbers, or access customer accounts.","schema_version":1,"summary":"Compare US mobile plans and switching costs with SaveOnPhone.\nSearch carrier options and inspect published features, source dates, and supported cost calculations.\nThe public connector is read-only and requires no account or API key."},"homepage_url":"","icon":"","id":"e2e484c1-7c35-4d73-a049-6d99e77ab2df","installs":0,"last_scanned":"","license":"","long_description":"Upfront, renewal, or first-year costs are calculated only where evidence supports them; unknown amounts stay marked. Some outbound carrier links are disclosed affiliates. The connector cannot purchase plans, cancel service, port numbers, or access customer accounts.","manual_assessment":"low","manual_review":{"all_findings":[{"evidence":"All 6 tools are public read/calculation operations.","reasoning":"No purchase, cancellation or number transfer action exists.","risk_type":"public_data_read","severity":"low","title":"Published phone plans and cost comparisons are readable","triggering_tools_or_skills":["search_plans","get_plan_details","compare_plan_costs","get_switching_guide"]},{"evidence":"External publisher content is returned.","reasoning":"It should remain untrusted.","risk_type":"prompt_injection_exposure","severity":"low","title":"Carrier plan and article text enters model context","triggering_tools_or_skills":["find_articles","get_plan_details"]},{"evidence":"The connector runs at https://saveonphone.com/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":"SaveOnPhone — Cell Phone Plan Comparison is a mutable hosted service","triggering_tools_or_skills":[]}],"assessment_status":"provisional","auth_and_scopes":"No authentication is used; the connector only reads public plan/catalog evidence and does not access carrier accounts.","blocked_missing_evidence":null,"confidence":"medium","displayed_risk":"low","evidence_completeness":"partial","manual_overall_risk":"low","official_sources":[{"accessed_at":"2026-10-10T20:24:37Z","url_or_path":"plutosecurity/plutonium@b749c8dc43536c794409be9805edd48063f045e2:app/data/conn/claudesec/e2e484c1-7c35-4d73-a049-6d99e77ab2df.json","what_it_proves":"Candidate PR #125 record identity (name \"SaveOnPhone — Cell Phone Plan Comparison\", publisher, type web_connector) and 6 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/e2e484c1-7c35-4d73-a049-6d99e77ab2df: complete tool_names inventory (6 tools), remote streamable-http endpoint https://saveonphone.com/mcp, auth_posture no_auth, directory tier community"}],"primary_reason":"SaveOnPhone only compares public plans and cannot change carrier service.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:e2e484c1-7c35-4d73-a049-6d99e77ab2df","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 6 tools; affiliate links are disclosed and user-operated.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"false","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":"false","persistent_credentials":"false","prompt_injection_exposure":"true","provenance_uncertainty":"true","reads_private_data":"false","runs_code_or_queries":"false","sends_messages_as_user":"false","spends_or_moves_money":"false"},"tools_or_skills_reviewed":6,"tools_or_skills_total":6},"name":"SaveOnPhone — Cell Phone Plan Comparison","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=e2e484c1-7c35-4d73-a049-6d99e77ab2df&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://saveonphone.com/privacy/","provisional_risk":null,"publication_recommendation":"accept","publisher":"SaveOnPhone","publisher_url":"https://saveonphone.com/","remote_url":"https://saveonphone.com/mcp","repository_url":"","risk":"low","risk_severity":"low","security_risks":[{"description":"This connector retrieves public or publisher-provided information and returns it to the AI. Review findings: No purchase, cancellation or number transfer action exists.","evidence":"Published phone plans and cost comparisons are readable: All 6 tools are public read/calculation operations.","manual_risk_type":"public_data_read","remediation":{"block_tool_categories":[],"steps":["Treat returned third-party content as untrusted input and verify consequential claims.","Do not assume public content is accurate, current, or free of embedded instructions."]},"risk_type":"reads_public_data","severity":"low","title":"Published phone plans and cost comparisons are readable","triggering_tools":["search_plans","get_plan_details","compare_plan_costs","get_switching_guide"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"https://saveonphone.com/contact/","tags":["network_access","reads_public_data","web_connector"],"tools":[{"description":"","name":"compare_plan_costs"},{"description":"","name":"find_articles"},{"description":"","name":"get_plan_details"},{"description":"","name":"get_switching_guide"},{"description":"","name":"list_carriers"},{"description":"","name":"search_plans"}],"tools_count":6,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/e2e484c1-7c35-4d73-a049-6d99e77ab2df","uuid":"9208d6af-90b3-5abe-967e-843d51e37f66","verification_tier":"community","version":""},"query_key":"saveonphone cell phone plan comparison","schema_version":1,"status":"match"}