{"generated_at":"2026-08-17T10:36:11+00:00","item":{"added_at":"2026-03-22","analysis_method":"capability_triage","category":"Web Connector","description":"Estimate your federal & state taxes using Aiwyn's tax engine that's filed over 1 million returns. Give Claude your tax documents (e.g. W-2s) and get a 1040 P...","did":"ai-aiwyn-tax","homepage_url":"","icon":"https://aiwyn.ai/favicon.ico","id":"ai.aiwyn/tax","installs":0,"last_scanned":"","license":"","long_description":"Estimate your federal & state taxes using Aiwyn's tax engine that's filed over 1 million returns. Give Claude your tax documents (e.g. W-2s) and get a 1040 PDF back.","name":"Aiwyn Tax (formerly Column Tax)","plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=ai-aiwyn-tax&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","publisher":"Aiwyn, Inc.","publisher_url":"https://aiwyn.ai","repository_url":"","risk":"medium","risk_severity":"medium","security_risks":[{"description":"This connector can read data the connected service holds about you - documents, messages, contact lists, source code, customer records, or saved profile details - and pass it back to the AI.","evidence":"Connector has 9 tools; permissions on claude.ai/directory: \"Read Only\". Data flows out of the connected service into the model.","remediation":{"block_tool_categories":[],"steps":["Connect using an account that only has access to the information you actually want Claude to read - not your main admin login.","When you grant access, pick the smallest set of folders, mailboxes, or channels possible.","Check the connector's activity log every so often to make sure nothing unexpected is being read."]},"risk_type":"reads_private_data","severity":"low","title":"Reads your private information"},{"description":"This connector can edit, rename, overwrite, or otherwise modify records in the connected service. If a request gets manipulated, your data could be altered without you noticing.","evidence":"2 state change tools on this connector - e.g. generate_tax_pdf_tool, generate_uuid_v5.","remediation":{"block_tool_categories":["state_change"],"steps":["Try the connector on a test account first to see what it changes before letting it touch your real records.","Where the connected service supports it, give Claude read-only access and only allow writes for the specific things you need updated.","In the tools list below, turn off any tool you don't actively need - the ones tagged Block are the most important to disable."]},"risk_type":"modifies_data","severity":"medium","title":"Can change or update your information"},{"description":"Anything you share with this connector flows through one or more third-party services. Those companies see, store, and may use the data according to their own policies.","evidence":"Server runs at mcp.columnapi.com/mcp; queries and responses pass through the publisher's infrastructure.","remediation":{"block_tool_categories":[],"steps":["Treat anything you tell this connector as if you sent it directly to the third-party company - because you did.","Check how long that company keeps your data and how to delete it.","Avoid putting health info, customer names, or payment details into this connector unless you have a written agreement with that company."]},"risk_type":"forwards_data_to_third_party","severity":"low","title":"Sends your data to outside companies"}],"signature_status":"unknown","source_code_reviewed":false,"tags":["network_access","reads_private_data"],"tools":[{"description":"Validates tax return inputs before calculation, surfacing validation errors and partial disqualifications.","name":"check_tax"},{"description":"Calculates the full tax return and returns a tax calculation summary in markdown format.","name":"calculate_tax"},{"description":"Lists all supported tax years available for calculation.","name":"tax_years"},{"description":"Lists supported jurisdictions for a given tax year.","name":"tax_jurisdictions"},{"description":"Fetches the JSON schema for a single input namespace, with optional summary or full format.","name":"tax_namespace_schema"},{"description":"Lists all input namespaces available for a given jurisdiction and tax year.","name":"tax_namespaces"},{"description":"Returns a curated namespace list, example input payload, and workflow guide for a chosen filing scenario.","name":"tax_simple_return"},{"description":"Starts async PDF generation for a tax return and returns an integer job ID.","name":"generate_tax_pdf_tool","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}},{"description":"Generates a deterministic UUIDv5 from a source UUID and a namespace name for state-to-federal linking.","name":"generate_uuid_v5","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}}],"tools_count":9,"type":"web_connector","url":"https://claude.ai/directory/550d0dd8-46bf-4d76-a938-866afa15841d","uuid":"bbcc3916-4cb1-5d16-a729-58bedd68a077","version":""},"query_key":"aiwyn tax formerly column tax","schema_version":1,"status":"match"}