{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-08-03","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"no_auth","category":"Web Connector","confidence":"medium","description":"Build and deploy apps to a Croft workspace on a server you own. Edit app files, inspect runtime logs, and roll back releases. Manage deployment secrets, domains, invitations, and per-app access.","did":"d3742ea9-f4b8-4d44-8972-acae83c86fbe","documentation_url":"https://mcp.oncroft.net/tools","editorial_description":{"extended_description":"Apps have version history for reverting deployments. Workspace sharing lets you invite people and grant or revoke access; tools also configure public paths and environment secrets for deployment.","schema_version":1,"summary":"Build and deploy apps to a Croft workspace on a server you own.\nEdit app files, inspect runtime logs, and roll back releases.\nManage deployment secrets, domains, invitations, and per-app access."},"homepage_url":"","icon":"","id":"d3742ea9-f4b8-4d44-8972-acae83c86fbe","installs":0,"last_scanned":"","license":"","long_description":"Apps have version history for reverting deployments. Workspace sharing lets you invite people and grant or revoke access; tools also configure public paths and environment secrets for deployment.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"The Directory description promises live deployed URLs and the inventory declares deployment and rollback actions.","reasoning":"These operations materially change production application infrastructure.","risk_type":"deployment_infrastructure","severity":"high","title":"Applications can be deployed, rolled back and assigned custom domains","triggering_tools_or_skills":["deploy","rollback","add_custom_domain","set_public_paths"]},{"evidence":"The complete inventory explicitly includes delete_app.","reasoning":"Removing a deployed application is destructive.","risk_type":"data_deletion","severity":"high","title":"Hosted applications can be deleted","triggering_tools_or_skills":["delete_app"]},{"evidence":"The tool names expose secret storage and access-control changes.","reasoning":"Changing secrets or authorization is a powerful administrative capability.","risk_type":"credential_admin","severity":"high","title":"Secrets and user access can be administered","triggering_tools_or_skills":["set_secret","grant_access","revoke_access","list_secret_keys"]},{"evidence":"The declared invite_user action invites people by email according to the listing.","reasoning":"Sending access invitations communicates externally as the workspace owner.","risk_type":"messaging_as_user","severity":"high","title":"People can be invited to applications","triggering_tools_or_skills":["invite_user"]},{"evidence":"The inventory declares direct file access in hosted app workspaces.","reasoning":"Writing application files changes executable product content.","risk_type":"file_write","severity":"medium","title":"Application source files can be read and written","triggering_tools_or_skills":["read_file","write_files"]},{"evidence":"The record says apps and secrets are private but remote.auth_posture is no_auth; no session or capability-token boundary is documented.","reasoning":"Without an authorization design, cross-workspace access risk cannot be ruled out.","risk_type":"authz_ambiguity","severity":"low","title":"Private workspace administration is exposed through a no-auth endpoint","triggering_tools_or_skills":[]},{"evidence":"The connector returns application code and potentially attacker-controlled log data.","reasoning":"Code/log content should be treated as untrusted input.","risk_type":"prompt_injection_exposure","severity":"low","title":"Hosted files and runtime logs enter model context","triggering_tools_or_skills":["read_file","logs"]},{"evidence":"The connector runs at https://mcp.oncroft.net/ without a pinned server implementation in the review packet.","reasoning":"The hosted implementation can change independently of this snapshot, so runtime verification and change monitoring remain necessary.","risk_type":"provenance_uncertainty","severity":"low","title":"Croft is a mutable hosted service","triggering_tools_or_skills":[]}],"assessment_status":"provisional","auth_and_scopes":"The MCP endpoint is declared no-auth despite tools for private apps, secrets, invitations and access grants; the mechanism binding requests to a workspace is not documented.","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/d3742ea9-f4b8-4d44-8972-acae83c86fbe.json","what_it_proves":"Candidate PR #125 record identity (name \"Croft\", publisher, type web_connector) and 19 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/d3742ea9-f4b8-4d44-8972-acae83c86fbe: complete tool_names inventory (19 tools), remote streamable-http endpoint https://mcp.oncroft.net/, auth_posture no_auth, directory tier community"}],"primary_reason":"Croft can deploy/delete apps, write code, manage secrets/access and invite users, while its no-auth workspace binding is undocumented.","provisional_risk":null,"publication_recommendation":"fix","requires_runtime_verification":true,"review_key":"claude:d3742ea9-f4b8-4d44-8972-acae83c86fbe","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 19 tools. The official tool page was inaccessible. Publication should require an explicit authentication/tenant-isolation explanation even though the High capability rating itself is clear.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"true","browser_control":"false","credential_or_admin_actions":"true","deletes_data":"true","deployment_or_infrastructure":"true","dynamic_hidden_actions":"false","filesystem_or_repo_access":"true","forwards_data_to_third_party":"true","modifies_data":"true","persistent_credentials":"false","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":19,"tools_or_skills_total":19},"name":"Croft","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=d3742ea9-f4b8-4d44-8972-acae83c86fbe&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://oncroft.net/privacy","provisional_risk":null,"publication_recommendation":"fix","publisher":"Croft","publisher_url":"https://oncroft.net/","remote_url":"https://mcp.oncroft.net/","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"This connector can deploy code or change infrastructure and production environments. Review findings: These operations materially change production application infrastructure.","evidence":"Applications can be deployed, rolled back and assigned custom domains: The Directory description promises live deployed URLs and the inventory declares deployment and rollback actions.","manual_risk_type":"deployment_infrastructure","remediation":{"block_tool_categories":["code_execution","state_change"],"steps":["Default to a sandbox or staging environment.","Require code review, human approval, audit logging, and a tested rollback path for production changes."]},"risk_type":"code_deployment","severity":"high","title":"Applications can be deployed, rolled back and assigned custom domains","triggering_tools":["deploy","rollback","add_custom_domain","set_public_paths"]},{"description":"This connector can permanently remove data or resources. Review findings: Removing a deployed application is destructive.","evidence":"Hosted applications can be deleted: The complete inventory explicitly includes delete_app.","manual_risk_type":"data_deletion","remediation":{"block_tool_categories":["destructive"],"steps":["Disable destructive tools unless deletion is an explicit workflow requirement.","Require human confirmation and verified backups before deletion."]},"risk_type":"deletes_data","severity":"high","title":"Hosted applications can be deleted","triggering_tools":["delete_app"]},{"description":"This connector can create, update, configure, or otherwise change connected resources. Review findings: Changing secrets or authorization is a powerful administrative capability.","evidence":"Secrets and user access can be administered: The tool names expose secret storage and access-control changes.","manual_risk_type":"credential_admin","remediation":{"block_tool_categories":["state_change"],"steps":["Use a test account or sandbox before allowing changes to production data.","Grant only the write permissions required for the intended workflow.","Require human confirmation for consequential state changes."]},"risk_type":"modifies_data","severity":"high","title":"Secrets and user access can be administered","triggering_tools":["set_secret","grant_access","revoke_access","list_secret_keys"]},{"description":"This connector can publish or send messages and content using the connected identity. Review findings: Sending access invitations communicates externally as the workspace owner.","evidence":"People can be invited to applications: The declared invite_user action invites people by email according to the listing.","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":"People can be invited to applications","triggering_tools":["invite_user"]},{"description":"This connector can create, change, export, or otherwise write files. Review findings: Writing application files changes executable product content.","evidence":"Application source files can be read and written: The inventory declares direct file access in hosted app workspaces.","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":"Application source files can be read and written","triggering_tools":["read_file","write_files"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"team@oncroft.net","tags":["code_deployment","deletes_data","filesystem_access","modifies_data","network_access","sends_messages_as_you","web_connector"],"tools":[{"description":"","name":"add_custom_domain","risk":{"category":"code_execution","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can deploy code or change infrastructure and production environments. Review findings: These operations materially change production application infrastructure."}},{"description":"","name":"create_app"},{"description":"","name":"delete_app","risk":{"category":"destructive","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can permanently remove data or resources. Review findings: Removing a deployed application is destructive."}},{"description":"","name":"deploy","risk":{"category":"code_execution","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can deploy code or change infrastructure and production environments. Review findings: These operations materially change production application infrastructure."}},{"description":"","name":"get_app"},{"description":"","name":"get_platform_conventions"},{"description":"","name":"grant_access","risk":{"category":"state_change","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. Review findings: Changing secrets or authorization is a powerful administrative capability."}},{"description":"","name":"invite_user","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: Sending access invitations communicates externally as the workspace owner."}},{"description":"","name":"list_apps"},{"description":"","name":"list_secret_keys","risk":{"category":"state_change","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. Review findings: Changing secrets or authorization is a powerful administrative capability."}},{"description":"","name":"list_users"},{"description":"","name":"logs"},{"description":"","name":"read_file","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: Writing application files changes executable product content."}},{"description":"","name":"revoke_access","risk":{"category":"state_change","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. Review findings: Changing secrets or authorization is a powerful administrative capability."}},{"description":"","name":"rollback","risk":{"category":"code_execution","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can deploy code or change infrastructure and production environments. Review findings: These operations materially change production application infrastructure."}},{"description":"","name":"set_secret","risk":{"category":"state_change","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. Review findings: Changing secrets or authorization is a powerful administrative capability."}},{"description":"","name":"status"},{"description":"","name":"write_files","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: Writing application files changes executable product content."}},{"description":"","name":"set_public_paths","risk":{"category":"code_execution","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can deploy code or change infrastructure and production environments. Review findings: These operations materially change production application infrastructure."}}],"tools_count":19,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/d3742ea9-f4b8-4d44-8972-acae83c86fbe","uuid":"95ac26fe-cd8b-552a-ad81-d72017503849","verification_tier":"community","version":""},"query_key":"croft croft","schema_version":1,"status":"match"}