{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-08-07","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"medium","description":"VisiGrid reads and edits spreadsheets owned by your account. Create or import workbooks, write formulas or values, format cells, and manage tabs. Stale-revision writes are rejected, and no tool deletes spreadsheets.","did":"aac5c215-0f28-42b1-9bd4-fb03bf88f8bb","documentation_url":"https://docs.visigrid.app/connector/","editorial_description":{"extended_description":"A calculation engine evaluates formulas before saving. Import from Google Sheets links or .xlsx files, preserving supported formatting features. Tab renaming refuses changes that would break references; a free VisiGrid account is sufficient.","schema_version":1,"summary":"VisiGrid reads and edits spreadsheets owned by your account.\nCreate or import workbooks, write formulas or values, format cells, and manage tabs.\nStale-revision writes are rejected, and no tool deletes spreadsheets."},"homepage_url":"","icon":"","id":"aac5c215-0f28-42b1-9bd4-fb03bf88f8bb","installs":0,"last_scanned":"","license":"","long_description":"A calculation engine evaluates formulas before saving. Import from Google Sheets links or .xlsx files, preserving supported formatting features. Tab renaming refuses changes that would break references; a free VisiGrid account is sufficient.","manual_assessment":"medium","manual_review":{"all_findings":[{"evidence":"The tools persist formulas, values and formatting in workbook files.","reasoning":"They materially modify external documents.","risk_type":"file_write","severity":"medium","title":"Creates/imports/edits spreadsheets","triggering_tools_or_skills":["create_spreadsheet","import_spreadsheet","write_cells","set_format"]},{"evidence":"The tools expose spreadsheet content.","reasoning":"They are read-only.","risk_type":"private_data_read","severity":"low","title":"Reads private workbook ranges","triggering_tools_or_skills":["get_workbook","read_range"]}],"assessment_status":"provisional","auth_and_scopes":"Authentication scopes VisiGrid workbooks/spreadsheets.","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/aac5c215-0f28-42b1-9bd4-fb03bf88f8bb.json","what_it_proves":"Candidate PR #125 record identity (name \"VisiGrid\", publisher, type web_connector) and 9 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/aac5c215-0f28-42b1-9bd4-fb03bf88f8bb: complete tool_names inventory (9 tools), remote streamable-http endpoint https://mcp.visigrid.app/mcp, auth_posture auth_required, directory tier community"}],"primary_reason":"VisiGrid can create/import/edit persistent spreadsheets.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:aac5c215-0f28-42b1-9bd4-fb03bf88f8bb","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all nine tools.","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":"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":"false","sends_messages_as_user":"false","spends_or_moves_money":"false"},"tools_or_skills_reviewed":9,"tools_or_skills_total":9},"name":"VisiGrid","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=aac5c215-0f28-42b1-9bd4-fb03bf88f8bb&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://visigrid.app/privacy","provisional_risk":null,"publication_recommendation":"accept","publisher":"RegAtlas, LLC","publisher_url":"https://visigrid.app/","remote_url":"https://mcp.visigrid.app/mcp","repository_url":"","risk":"medium","risk_severity":"medium","security_risks":[{"description":"This connector can create, change, export, or otherwise write files. Review findings: They materially modify external documents.","evidence":"Creates/imports/edits spreadsheets: The tools persist formulas, values and formatting in workbook files.","manual_risk_type":"file_write","remediation":{"block_tool_categories":["state_change"],"steps":["Limit file access to a dedicated working directory.","Review generated or modified files before they are shared or executed."]},"risk_type":"filesystem_access","severity":"medium","title":"Creates/imports/edits spreadsheets","triggering_tools":["create_spreadsheet","import_spreadsheet","write_cells","set_format"]},{"description":"This connector can read information available to the connected account and return it to the AI. Review findings: They are read-only.","evidence":"Reads private workbook ranges: The tools expose spreadsheet content.","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 private workbook ranges","triggering_tools":["get_workbook","read_range"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"support@visigrid.com","tags":["filesystem_access","network_access","oauth_required","reads_private_data","web_connector"],"tools":[{"description":"","name":"add_tab"},{"description":"","name":"create_spreadsheet","risk":{"category":"state_change","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, change, export, or otherwise write files. Review findings: They materially modify external documents."}},{"description":"","name":"get_workbook"},{"description":"","name":"import_spreadsheet","risk":{"category":"state_change","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, change, export, or otherwise write files. Review findings: They materially modify external documents."}},{"description":"","name":"list_sheets"},{"description":"","name":"read_range"},{"description":"","name":"rename_tab"},{"description":"","name":"set_format","risk":{"category":"state_change","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, change, export, or otherwise write files. Review findings: They materially modify external documents."}},{"description":"","name":"write_cells","risk":{"category":"state_change","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, change, export, or otherwise write files. Review findings: They materially modify external documents."}}],"tools_count":9,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/aac5c215-0f28-42b1-9bd4-fb03bf88f8bb","uuid":"b3e68ae3-2a64-5f40-9cd1-d3c5e9e9412f","verification_tier":"community","version":""},"query_key":"regatlas llc visigrid","schema_version":1,"status":"match"}