{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-09-02","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","catalog_reconciliation":{"basis":"Documented actions on the identified catalog surface; not an execution test.","confidence":"high","evidence_completeness":"partial","previous":{"confidence":"low","detail_sha256":"eae14481ff4d7831a9150ef164c9ebf76fa95fa974ebf12da4397bce35db8574","risk":"high"},"proposal_file":"claude-tail-proposals.json","rationale":"Vendor help article documents that the assistant can send proposals and invoices to clients by email/SMS, approve/decline/cancel proposals, log manual payments and mark invoices paid, and delete projects, line items and sections (destructive actions require a confirmation step). Consequential external sending of financial documents plus destructive deletes: High is evidenced. Visible card shows only Medium reads; propose High send/delete card. First pass matched.","review_key":"claudesec:fe9d3a81-6140-4c4f-a244-7c6031cf1de2","reviewed_at":"2026-10-12","runtime_verified":false,"sources":["https://help.handoff.ai/en/articles/16414728-connect-your-ai-assistant-to-handoff-mcp"],"status":"resolved"},"category":"Web Connector","confidence":"low","description":"Handoff manages construction work through your connected account. Create or update projects, contacts, estimates, proposals, invoices, and work records. Confirmed actions can send documents or delete records.","did":"fe9d3a81-6140-4c4f-a244-7c6031cf1de2","documentation_url":"https://help.handoff.ai/en/articles/16414728-connect-your-ai-assistant-to-handoff-mcp","editorial_description":{"extended_description":"Work with files, expenses, daily logs, schedules, and time entries. Access stays scoped to the Handoff account you authorize.","schema_version":1,"summary":"Handoff manages construction work through your connected account.\nCreate or update projects, contacts, estimates, proposals, invoices, and work records.\nConfirmed actions can send documents or delete records."},"homepage_url":"","icon":"","id":"fe9d3a81-6140-4c4f-a244-7c6031cf1de2","installs":0,"last_scanned":"","license":"","long_description":"Work with files, expenses, daily logs, schedules, and time entries. Access stays scoped to the Handoff account you authorize.","manual_assessment":"unassessed","manual_review":{"all_findings":[{"evidence":"The description claims projects, contacts, estimates, proposals, invoices, files, expenses, logs, schedules, time entries and confirmed actions, but only three generic tools are stored.","reasoning":"Without action names/schemas it is impossible to distinguish drafts from sends, invoice issuance, expense changes, deletion, payments, or user administration.","risk_type":"evidence_gap","severity":"low","title":"Generic gateways hide construction and financial actions","triggering_tools_or_skills":["handoff_action","handoff_read","handoff_write"]},{"evidence":"The listing covers projects, contacts, estimates, proposals, invoices, files, expenses, daily logs, schedules, and time entries.","reasoning":"This is sensitive customer, operational, employee, and financial data.","risk_type":"private_data_read","severity":"medium","title":"Construction customer, finance, file, and schedule data is reachable","triggering_tools_or_skills":["handoff_read"]},{"evidence":"Construction files, logs and contact/proposal content may be authored by external parties.","reasoning":"Workspace content is untrusted model input.","risk_type":"prompt_injection_exposure","severity":"low","title":"Project files and customer data enter context","triggering_tools_or_skills":["handoff_read"]}],"assessment_status":"provisional","auth_and_scopes":"Authentication connects a construction Handoff account, but all capabilities are collapsed into generic read/write/action gateways without schemas.","blocked_missing_evidence":"Authenticated action list and full input/output schemas for handoff_action, handoff_read, and handoff_write, including confirmation, invoice/proposal send, payment, delete, and role semantics.","confidence":"low","displayed_risk":"high","evidence_completeness":"insufficient","manual_overall_risk":"unassessed","official_sources":[{"accessed_at":"2026-10-10T20:24:37Z","url_or_path":"plutosecurity/plutonium@b749c8dc43536c794409be9805edd48063f045e2:app/data/conn/claudesec/fe9d3a81-6140-4c4f-a244-7c6031cf1de2.json","what_it_proves":"Candidate PR #125 record identity (name \"Handoff\", publisher, type web_connector) and 3 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/fe9d3a81-6140-4c4f-a244-7c6031cf1de2: complete tool_names inventory (3 tools), remote streamable-http endpoint https://api.handoff.ai/core/api/v2/mcp, auth_posture auth_required, directory tier community"}],"primary_reason":"Handoff hides its effective read/write/confirmed action set behind three generic gateways.","provisional_risk":"high","publication_recommendation":"fix","requires_runtime_verification":true,"review_key":"claude:fe9d3a81-6140-4c4f-a244-7c6031cf1de2","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all three visible tools; concrete action catalogue and confirmation rules are required.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"unknown","browser_control":"false","credential_or_admin_actions":"unknown","deletes_data":"unknown","deployment_or_infrastructure":"false","dynamic_hidden_actions":"true","filesystem_or_repo_access":"false","forwards_data_to_third_party":"true","modifies_data":"unknown","persistent_credentials":"true","prompt_injection_exposure":"true","provenance_uncertainty":"true","reads_private_data":"true","runs_code_or_queries":"false","sends_messages_as_user":"unknown","spends_or_moves_money":"unknown"},"tools_or_skills_reviewed":3,"tools_or_skills_total":3},"name":"Handoff","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=fe9d3a81-6140-4c4f-a244-7c6031cf1de2&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://handoff.ai/privacy-policy","provisional_risk":"high","publication_recommendation":"fix","publisher":"Handoff","publisher_url":"https://handoff.ai/","remote_url":"https://api.handoff.ai/core/api/v2/mcp","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"Sends financial proposals and invoices to clients by email or SMS through your connected Handoff account.","evidence":"Actions: handoff_action. https://help.handoff.ai/en/articles/16414728-connect-your-ai-assistant-to-handoff-mcp — Actions on documents: Proposals/Invoices send by email or SMS","risk_type":"sends_messages_as_you","severity":"high","title":"Sends proposals and invoices to clients"},{"description":"Can delete projects, line items and sections. Destructive actions require an explicit confirmation step.","evidence":"Actions: handoff_action, handoff_write. https://help.handoff.ai/en/articles/16414728-connect-your-ai-assistant-to-handoff-mcp — Deletion; explicit confirmation step","risk_type":"deletes_data","severity":"high","title":"Deletes projects and estimate content"},{"description":"Creates or edits projects, estimates, invoices and contacts, and can log manual payments or mark invoices paid.","evidence":"Actions: handoff_write, handoff_action. https://help.handoff.ai/en/articles/16414728-connect-your-ai-assistant-to-handoff-mcp — Write section; log manual payments","risk_type":"modifies_data","severity":"medium","title":"Changes construction and billing records"},{"description":"Retrieves estimates, rates, templates and customer contacts.","evidence":"Actions: handoff_read. https://help.handoff.ai/en/articles/16414728-connect-your-ai-assistant-to-handoff-mcp — Read section","risk_type":"reads_private_data","severity":"medium","title":"Reads private estimates and customer information"}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"https://help.handoff.ai","tags":["sends_messages_as_you","deletes_data","modifies_data","reads_private_data"],"tools":[{"description":"","name":"handoff_action"},{"description":"","name":"handoff_read","risk":{"category":"data_exfiltration","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can read information available to the connected account and return it to the AI. Review findings: This is sensitive customer, operational, employee, and financial data."}},{"description":"","name":"handoff_write"}],"tools_count":3,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/fe9d3a81-6140-4c4f-a244-7c6031cf1de2","uuid":"7e1ae79a-e7c9-555a-9bac-d1f1616a5b39","verification_tier":"community","version":""},"query_key":"handoff","schema_version":1,"status":"match"}
