{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-07-13","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":"complete","previous":{"confidence":"low","detail_sha256":"3315025d8f88851868c56243cceda424ecd70568d4ece5656938432dc359c3d2","risk":"high"},"proposal_file":"claude-tail-proposals.json","rationale":"Official tool reference (v0.3.3, 30 tools/207 actions) enumerates actions with Destructive flags: project delete, workitem delete, state/type/property/estimate delete, page delete, plus workspace/project feature toggles. Deleting whole projects across the user's workspace permissions is a destructive action at scope, so High is evidenced. member tool is read-only (no role/admin changes). Visible max is only Medium.","review_key":"claudesec:e473ad1f-d183-42f8-966d-e28816fe30ab","reviewed_at":"2026-10-12","runtime_verified":false,"sources":["https://developers.plane.so/dev-tools/mcp-server","https://developers.plane.so/dev-tools/mcp-server-tools.md","https://api.anthropic.com/api/directory/servers?verified_tier=anthropic,partner,community"],"status":"resolved"},"category":"Web Connector","confidence":"low","description":"Manage projects, work items, and wiki content in Plane. Organize cycles, modules, initiatives, and milestones; update workflow state, labels, comments, or time logs. OAuth access follows your existing workspace permissions.","did":"e473ad1f-d183-42f8-966d-e28816fe30ab","documentation_url":"https://developers.plane.so/dev-tools/mcp-server","editorial_description":{"extended_description":"Create and update work items, triage intake, and read or write project pages. Resource tools also cover members, estimates, releases, customer requests, and work-item relationships or attachments.","schema_version":1,"summary":"Manage projects, work items, and wiki content in Plane.\nOrganize cycles, modules, initiatives, and milestones; update workflow state, labels, comments, or time logs.\nOAuth access follows your existing workspace permissions."},"homepage_url":"","icon":"","id":"e473ad1f-d183-42f8-966d-e28816fe30ab","installs":0,"last_scanned":"","license":"","long_description":"Create and update work items, triage intake, and read or write project pages. Resource tools also cover members, estimates, releases, customer requests, and work-item relationships or attachments.","manual_assessment":"unassessed","manual_review":{"all_findings":[{"evidence":"The description confirms create/update across issues, comments and pages, while names do not reveal per-resource operations or deletes.","reasoning":"Potential deletion, member/admin and release actions cannot be assessed.","risk_type":"generic_gateway","severity":"medium","title":"Generic resource tools hide CRUD action sets","triggering_tools_or_skills":["project","workitem","page","workspace","member","release"]},{"evidence":"Human-authored project content is returned.","reasoning":"It may contain prompt injection.","risk_type":"prompt_injection_exposure","severity":"low","title":"Issues, comments and wiki pages enter model context","triggering_tools_or_skills":["workitem","workitem_comment","page"]},{"evidence":"The connector runs at https://mcp.plane.so/http/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":"Plane is a mutable hosted service","triggering_tools_or_skills":[]}],"assessment_status":"provisional","auth_and_scopes":"OAuth PKCE applies existing workspace permissions, but 28 noun-like generic resource tools omit operations and schemas.","blocked_missing_evidence":"Per-tool operation/input schemas for all 28 resources, especially member/workspace/release/page/workitem deletion, comments and attachments.","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/e473ad1f-d183-42f8-966d-e28816fe30ab.json","what_it_proves":"Candidate PR #125 record identity (name \"Plane\", publisher, type web_connector) and 28 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/e473ad1f-d183-42f8-966d-e28816fe30ab: complete tool_names inventory (28 tools), remote streamable-http endpoint https://mcp.plane.so/http/mcp, auth_posture auth_required, directory tier community"}],"primary_reason":"Plane hides broad project/workspace CRUD behind noun-like generic tools without operation schemas.","provisional_risk":"high","publication_recommendation":"fix","requires_runtime_verification":true,"review_key":"claude:e473ad1f-d183-42f8-966d-e28816fe30ab","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 28 top-level names and product description; no missing operation was inferred as safe.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"true","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":"false"},"tools_or_skills_reviewed":28,"tools_or_skills_total":28},"name":"Plane","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=e473ad1f-d183-42f8-966d-e28816fe30ab&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://plane.so/legals/privacy-policy","provisional_risk":"high","publication_recommendation":"fix","publisher":"Plane Software, Inc.","publisher_url":"https://plane.so/","remote_url":"https://mcp.plane.so/http/mcp","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"Documented destructive actions can delete entire projects, work items, pages and related project configuration within your workspace permissions.","evidence":"Actions: project, workitem, state, workitem_type, workitem_property, project_estimate, page. https://developers.plane.so/dev-tools/mcp-server-tools.md — project: delete (Destructive); workitem: delete (Destructive)","risk_type":"deletes_data","severity":"high","title":"Deletes projects and work items"},{"description":"Creates and updates work items, cycles, modules, pages and comments.","evidence":"Actions: workitem, cycle, module, page, workitem_comment. https://developers.plane.so/dev-tools/mcp-server-tools.md — action tables","risk_type":"modifies_data","severity":"medium","title":"Creates and updates project content"}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"support@plane.so","tags":["deletes_data","modifies_data"],"tools":[{"description":"","name":"customer"},{"description":"","name":"customer_property"},{"description":"","name":"customer_request"},{"description":"","name":"cycle"},{"description":"","name":"get_pql_reference"},{"description":"","name":"initiative"},{"description":"","name":"intake"},{"description":"","name":"label"},{"description":"","name":"member","risk":{"category":"code_execution","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: Potential deletion, member/admin and release actions cannot be assessed."}},{"description":"","name":"milestone"},{"description":"","name":"module"},{"description":"","name":"page","risk":{"category":"code_execution","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: Potential deletion, member/admin and release actions cannot be assessed."}},{"description":"","name":"project","risk":{"category":"code_execution","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: Potential deletion, member/admin and release actions cannot be assessed."}},{"description":"","name":"project_estimate"},{"description":"","name":"release","risk":{"category":"code_execution","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: Potential deletion, member/admin and release actions cannot be assessed."}},{"description":"","name":"release_label"},{"description":"","name":"release_tag"},{"description":"","name":"state"},{"description":"","name":"work_log"},{"description":"","name":"workitem","risk":{"category":"code_execution","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: Potential deletion, member/admin and release actions cannot be assessed."}},{"description":"","name":"workitem_activity"},{"description":"","name":"workitem_attachment"},{"description":"","name":"workitem_comment"},{"description":"","name":"workitem_link"},{"description":"","name":"workitem_property"},{"description":"","name":"workitem_relation"},{"description":"","name":"workitem_type"},{"description":"","name":"workspace","risk":{"category":"code_execution","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: Potential deletion, member/admin and release actions cannot be assessed."}}],"tools_count":28,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/e473ad1f-d183-42f8-966d-e28816fe30ab","uuid":"d2d845d6-4480-58d4-9cb2-7ad8fe97e515","verification_tier":"community","version":""},"query_key":"plane","schema_version":1,"status":"match"}