{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-08-20","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"high","description":"Hygraph connects Claude to CMS projects, schemas, and content. Search entries, create or update content, publish records, and submit schema migrations. Where enabled, run Hygraph agents and inspect their progress.","did":"8abd6238-c420-46fc-89a8-0d18aec56491","documentation_url":"https://hygraph.com/docs/hygraph-ai/mcp-server","editorial_description":{"extended_description":"Authenticated tools discover environments, entity schemas, project settings, and management operations. GraphQL execution provides an additional operation interface alongside dedicated content actions.","schema_version":1,"summary":"Hygraph connects Claude to CMS projects, schemas, and content.\nSearch entries, create or update content, publish records, and submit schema migrations.\nWhere enabled, run Hygraph agents and inspect their progress."},"homepage_url":"","icon":"","id":"8abd6238-c420-46fc-89a8-0d18aec56491","installs":0,"last_scanned":"","license":"","long_description":"Authenticated tools discover environments, entity schemas, project settings, and management operations. GraphQL execution provides an additional operation interface alongside dedicated content actions.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"Official docs state the tool runs Content API queries and non-destructive mutations, including bulk updates.","reasoning":"Arbitrary GraphQL execution is a flexible query/mutation surface even with delete/unpublish blocked.","risk_type":"query_execution","severity":"high","title":"Runs caller-authored GraphQL queries and mutations","triggering_tools_or_skills":["execute_graphql"]},{"evidence":"These tools make entries live and transactionally alter content models/fields.","reasoning":"They change production content and CMS infrastructure.","risk_type":"deployment_infrastructure","severity":"high","title":"Publishes content and applies schema migrations","triggering_tools_or_skills":["publish_entry","submit_batch_migration"]},{"evidence":"The explicit tool moves draft content to PUBLISHED.","reasoning":"It communicates publicly as the connected organization/site.","risk_type":"messaging_as_user","severity":"high","title":"Publishes user-facing content","triggering_tools_or_skills":["publish_entry"]},{"evidence":"These tools persist CMS content and start agent workflows whose output lands in draft.","reasoning":"They materially change shared workspace state.","risk_type":"data_modification","severity":"medium","title":"Creates/updates entries and triggers configured agents","triggering_tools_or_skills":["create_entry","update_entry","trigger_agents"]}],"assessment_status":"provisional","auth_and_scopes":"OAuth/PAT permissions determine read, create, update, publish, schema-management and agent access per Hygraph project/environment; deletion is not supported.","blocked_missing_evidence":null,"confidence":"high","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/8abd6238-c420-46fc-89a8-0d18aec56491.json","what_it_proves":"Candidate PR #125 record identity (name \"Hygraph MCP\", publisher, type web_connector) and 21 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/8abd6238-c420-46fc-89a8-0d18aec56491: complete tool_names inventory (21 tools), remote streamable-http endpoint https://mcp.hygraph.com/mcp, auth_posture auth_required, directory tier community"},{"accessed_at":"2026-10-10T21:17:31Z","url_or_path":"https://hygraph.com/docs/hygraph-ai/mcp-tools-reference","what_it_proves":"Official exhaustive reference confirms GraphQL queries/mutations, publishing, transactional schema migrations and agent triggers; delete/unpublish mutations are rejected."},{"accessed_at":"2026-10-10T21:17:31Z","url_or_path":"https://hygraph.com/docs/hygraph-ai/mcp-server","what_it_proves":"Official guide confirms permission-aware content publication, schema management and cross-environment operations."}],"primary_reason":"Hygraph can execute GraphQL mutations, publish live content and alter production CMS schemas.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:8abd6238-c420-46fc-89a8-0d18aec56491","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 21 tools against the official reference. Delete/unpublish rejection and PAT scopes are strong safeguards, but publishing/schema/query execution remain High.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"false","browser_control":"false","credential_or_admin_actions":"false","deletes_data":"false","deployment_or_infrastructure":"true","dynamic_hidden_actions":"false","filesystem_or_repo_access":"false","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":"true","sends_messages_as_user":"true","spends_or_moves_money":"false"},"tools_or_skills_reviewed":21,"tools_or_skills_total":21},"name":"Hygraph MCP","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=8abd6238-c420-46fc-89a8-0d18aec56491&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://hygraph.com/privacy","provisional_risk":null,"publication_recommendation":"accept","publisher":"Hygraph","publisher_url":"https://hygraph.com/","remote_url":"https://mcp.hygraph.com/mcp","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: Arbitrary GraphQL execution is a flexible query/mutation surface even with delete/unpublish blocked.","evidence":"Runs caller-authored GraphQL queries and mutations: Official docs state the tool runs Content API queries and non-destructive mutations, including bulk updates.","manual_risk_type":"query_execution","remediation":{"block_tool_categories":["code_execution"],"steps":["Run only in a sandbox with least-privilege credentials and strict resource limits.","Disable generic execution gateways unless their reachable action set is fully understood.","Require approval before execution against production systems or sensitive data."]},"risk_type":"runs_code","severity":"high","title":"Runs caller-authored GraphQL queries and mutations","triggering_tools":["execute_graphql"]},{"description":"This connector can deploy code or change infrastructure and production environments. Review findings: They change production content and CMS infrastructure.","evidence":"Publishes content and applies schema migrations: These tools make entries live and transactionally alter content models/fields.","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":"Publishes content and applies schema migrations","triggering_tools":["publish_entry","submit_batch_migration"]},{"description":"This connector can publish or send messages and content using the connected identity. Review findings: It communicates publicly as the connected organization/site.","evidence":"Publishes user-facing content: The explicit tool moves draft content to PUBLISHED.","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":"Publishes user-facing content","triggering_tools":["publish_entry"]},{"description":"This connector can create, update, configure, or otherwise change connected resources. Review findings: They materially change shared workspace state.","evidence":"Creates/updates entries and triggers configured agents: These tools persist CMS content and start agent workflows whose output lands in draft.","manual_risk_type":"data_modification","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":"medium","title":"Creates/updates entries and triggers configured agents","triggering_tools":["create_entry","update_entry","trigger_agents"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"support@hygraph.com","tags":["code_deployment","modifies_data","network_access","oauth_required","runs_code","sends_messages_as_you","web_connector"],"tools":[{"description":"","name":"check_progress"},{"description":"","name":"create_entry","risk":{"category":"state_change","level":"medium","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: They materially change shared workspace state."}},{"description":"","name":"create_project"},{"description":"","name":"discover_entities"},{"description":"","name":"execute_graphql","risk":{"category":"code_execution","level":"high","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: Arbitrary GraphQL execution is a flexible query/mutation surface even with delete/unpublish blocked."}},{"description":"","name":"get_ai_guidelines"},{"description":"","name":"get_entities_by_id"},{"description":"","name":"get_entity_schema"},{"description":"","name":"get_management_operation_schema"},{"description":"","name":"get_project_info"},{"description":"","name":"list_agents"},{"description":"","name":"list_entities"},{"description":"","name":"list_entity_types"},{"description":"","name":"list_environments"},{"description":"","name":"list_projects"},{"description":"","name":"list_regions"},{"description":"","name":"publish_entry","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: It communicates publicly as the connected organization/site."}},{"description":"","name":"search_content"},{"description":"","name":"submit_batch_migration","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: They change production content and CMS infrastructure."}},{"description":"","name":"trigger_agents","risk":{"category":"state_change","level":"medium","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: They materially change shared workspace state."}},{"description":"","name":"update_entry","risk":{"category":"state_change","level":"medium","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: They materially change shared workspace state."}}],"tools_count":21,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/8abd6238-c420-46fc-89a8-0d18aec56491","uuid":"d590e923-488a-5a6f-a18d-4d3256b150f2","verification_tier":"community","version":""},"query_key":"hygraph mcp","schema_version":1,"status":"match"}