{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-07-02","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"medium","description":"Read and send business SMS through ContextSMS. Review conversations, send one-off messages, and poll or wait for inbound replies. Requires an active account and authorized business line; each user connects through OAuth.","did":"d9abbbf7-bd1c-435c-a878-4cb21f03a78c","documentation_url":"https://context-docs.sabrhub.com/","editorial_description":{"extended_description":"Access is limited to SMS data and provisioned lines associated with the signed-in user and organization. Sending is rate-limited, and context tools identify the business lines available to the user.","schema_version":1,"summary":"Read and send business SMS through ContextSMS.\nReview conversations, send one-off messages, and poll or wait for inbound replies.\nRequires an active account and authorized business line; each user connects through OAuth."},"homepage_url":"","icon":"","id":"d9abbbf7-bd1c-435c-a878-4cb21f03a78c","installs":0,"last_scanned":"","license":"","long_description":"Access is limited to SMS data and provisioned lines associated with the signed-in user and organization. Sending is rate-limited, and context tools identify the business lines available to the user.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"The connector description explicitly supports sending one-off SMS messages from provisioned business numbers.","reasoning":"This communicates externally as the organization.","risk_type":"messaging_as_user","severity":"high","title":"SMS can be sent from an authorized business line","triggering_tools_or_skills":["send_sms"]},{"evidence":"Declared tools expose tenant-scoped inbound and historical conversations.","reasoning":"Customer messages are sensitive.","risk_type":"private_data_read","severity":"low","title":"Private customer SMS threads are readable","triggering_tools_or_skills":["get_message_thread","list_conversations","poll_inbound_messages","wait_for_inbound_message"]},{"evidence":"Untrusted correspondent text is returned.","reasoning":"Messages can contain prompt injection.","risk_type":"prompt_injection_exposure","severity":"low","title":"Inbound customer SMS enters model context","triggering_tools_or_skills":["get_message_thread","wait_for_inbound_message"]},{"evidence":"The connector runs at https://mcp.sabrhub.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":"ContextSMS MCP is a mutable hosted service","triggering_tools_or_skills":[]}],"assessment_status":"provisional","auth_and_scopes":"OAuth restricts SMS lines and conversations to the signed-in tenant; rate limits and guardrails apply to sends.","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/d9abbbf7-bd1c-435c-a878-4cb21f03a78c.json","what_it_proves":"Candidate PR #125 record identity (name \"ContextSMS MCP\", 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/d9abbbf7-bd1c-435c-a878-4cb21f03a78c: complete tool_names inventory (6 tools), remote streamable-http endpoint https://mcp.sabrhub.com/mcp, auth_posture auth_required, directory tier community"}],"primary_reason":"ContextSMS can send real SMS messages as the user's business line.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:d9abbbf7-bd1c-435c-a878-4cb21f03a78c","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 6 tools; stated rate limits reduce abuse but do not change the High messaging capability.","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":"true","prompt_injection_exposure":"true","provenance_uncertainty":"true","reads_private_data":"true","runs_code_or_queries":"false","sends_messages_as_user":"true","spends_or_moves_money":"false"},"tools_or_skills_reviewed":6,"tools_or_skills_total":6},"name":"ContextSMS MCP","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=d9abbbf7-bd1c-435c-a878-4cb21f03a78c&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://www.sabrhub.com/privacy-policy","provisional_risk":null,"publication_recommendation":"accept","publisher":"Sabrhub Technologies","publisher_url":"https://www.sabrhub.com/","remote_url":"https://mcp.sabrhub.com/mcp","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"This connector can publish or send messages and content using the connected identity. Review findings: This communicates externally as the organization.","evidence":"SMS can be sent from an authorized business line: The connector description explicitly supports sending one-off SMS messages from provisioned business numbers.","manual_risk_type":"messaging_as_user","remediation":{"block_tool_categories":["sends_externally"],"steps":["Require review before messages, posts, or publications are sent.","Restrict delivery to test or internal recipients where possible."]},"risk_type":"sends_messages_as_you","severity":"high","title":"SMS can be sent from an authorized business line","triggering_tools":["send_sms"]},{"description":"This connector can read information available to the connected account and return it to the AI. Review findings: Customer messages are sensitive.","evidence":"Private customer SMS threads are readable: Declared tools expose tenant-scoped inbound and historical conversations.","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":"Private customer SMS threads are readable","triggering_tools":["get_message_thread","list_conversations","poll_inbound_messages","wait_for_inbound_message"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"https://www.sabrhub.com/support","tags":["accesses_messaging","network_access","oauth_required","reads_private_data","sends_messages_as_you","web_connector"],"tools":[{"description":"","name":"get_agent_context"},{"description":"","name":"get_message_thread"},{"description":"","name":"list_conversations"},{"description":"","name":"poll_inbound_messages"},{"description":"","name":"send_sms","risk":{"category":"sends_externally","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can publish or send messages and content using the connected identity. Review findings: This communicates externally as the organization."}},{"description":"","name":"wait_for_inbound_message"}],"tools_count":6,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/d9abbbf7-bd1c-435c-a878-4cb21f03a78c","uuid":"c53d0a3b-ecb7-5416-8586-b69e6f26b88e","verification_tier":"community","version":""},"query_key":"sabrhub technologies contextsms mcp","schema_version":1,"status":"match"}