{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-07-22","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"medium","description":"Hgraph gives Claude access to data from supported blockchain networks. Query indexed data with GraphQL, network history with read-only SQL, or live EVM nodes with JSON-RPC. Discover available chains and load their schemas and conventions.","did":"63110aa0-416e-4d75-8745-0f1210845e14","documentation_url":"https://docs.hgraph.com/mcp-server/setup-claude","editorial_description":{"extended_description":"Supported networks described include Ethereum, Base, Optimism, Polygon, Avalanche, BNB Chain, and Hedera. Data can support balance, transaction, token, NFT, and network analyses; the chain list identifies current availability.","schema_version":1,"summary":"Hgraph gives Claude access to data from supported blockchain networks.\nQuery indexed data with GraphQL, network history with read-only SQL, or live EVM nodes with JSON-RPC.\nDiscover available chains and load their schemas and conventions."},"homepage_url":"","icon":"","id":"63110aa0-416e-4d75-8745-0f1210845e14","installs":0,"last_scanned":"","license":"","long_description":"Supported networks described include Ethereum, Base, Optimism, Polygon, Avalanche, BNB Chain, and Hedera. Data can support balance, transaction, token, NFT, and network analyses; the chain list identifies current availability.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"The complete inventory exposes generic GraphQL, SQL, JSON-RPC and REST tools across supported networks.","reasoning":"Caller-controlled SQL and query/RPC execution is High even when primarily used for blockchain reads.","risk_type":"query_execution","severity":"high","title":"Executes caller-defined blockchain queries","triggering_tools_or_skills":["graphql","sql","rpc","rest"]},{"evidence":"Tool names identify protocols but not permitted schemas, methods or mutations.","reasoning":"The actual method and mutation boundary requires runtime verification.","risk_type":"generic_gateway","severity":"low","title":"Generic protocol gateways hide endpoint reach","triggering_tools_or_skills":["graphql","sql","rpc","rest"]}],"assessment_status":"provisional","auth_and_scopes":"API-key authentication is required; chain and endpoint authorization boundaries are not described.","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/63110aa0-416e-4d75-8745-0f1210845e14.json","what_it_proves":"Candidate PR #125 record identity (name \"Hgraph\", publisher, type web_connector) and 6 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/63110aa0-416e-4d75-8745-0f1210845e14: complete tool_names inventory (6 tools), remote streamable-http endpoint https://mcp.hgraph.com/mcp, auth_posture auth_required, directory tier community"}],"primary_reason":"Hgraph exposes generic SQL, GraphQL, REST and RPC execution.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:63110aa0-416e-4d75-8745-0f1210845e14","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all six tools. No explicit transaction-signing tool is listed, but generic RPC/GraphQL mutation reach is not documented and must be verified.","risk_domains":{"arbitrary_network_access":"true","authz_ambiguity":"unknown","browser_control":"false","credential_or_admin_actions":"false","deletes_data":"false","deployment_or_infrastructure":"false","dynamic_hidden_actions":"true","filesystem_or_repo_access":"false","forwards_data_to_third_party":"true","modifies_data":"false","persistent_credentials":"true","prompt_injection_exposure":"true","provenance_uncertainty":"true","reads_private_data":"true","runs_code_or_queries":"true","sends_messages_as_user":"false","spends_or_moves_money":"false"},"tools_or_skills_reviewed":6,"tools_or_skills_total":6},"name":"Hgraph","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=63110aa0-416e-4d75-8745-0f1210845e14&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://hgraph.com/privacy","provisional_risk":null,"publication_recommendation":"accept","publisher":"Hgraph, Inc","publisher_url":"https://hgraph.com/","remote_url":"https://mcp.hgraph.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: Caller-controlled SQL and query/RPC execution is High even when primarily used for blockchain reads.; The actual method and mutation boundary requires runtime verification.","evidence":"Executes caller-defined blockchain queries: The complete inventory exposes generic GraphQL, SQL, JSON-RPC and REST tools across supported networks. | Generic protocol gateways hide endpoint reach: Tool names identify protocols but not permitted schemas, methods or mutations.","manual_risk_type":"query_execution,generic_gateway","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":"Can execute code, queries, or dynamic actions","triggering_tools":["graphql","sql","rpc","rest"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"support@hgraph.com","tags":["network_access","oauth_required","runs_code","web_connector"],"tools":[{"description":"","name":"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: Caller-controlled SQL and query/RPC execution is High even when primarily used for blockchain reads.; The actual method and mutation boundary requires runtime verification."}},{"description":"","name":"list_chains"},{"description":"","name":"load_context"},{"description":"","name":"rest","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: Caller-controlled SQL and query/RPC execution is High even when primarily used for blockchain reads.; The actual method and mutation boundary requires runtime verification."}},{"description":"","name":"rpc","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: Caller-controlled SQL and query/RPC execution is High even when primarily used for blockchain reads.; The actual method and mutation boundary requires runtime verification."}},{"description":"","name":"sql","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: Caller-controlled SQL and query/RPC execution is High even when primarily used for blockchain reads.; The actual method and mutation boundary requires runtime verification."}}],"tools_count":6,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/63110aa0-416e-4d75-8745-0f1210845e14","uuid":"59059d8a-9787-5967-80ec-4f8ab7ba192f","verification_tier":"community","version":""},"query_key":"hgraph","schema_version":1,"status":"match"}