{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-06-21","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"high","description":"Lightrun lets Claude investigate applications already running in development, staging, or production. Capture snapshots and call stacks, count executions, and measure durations or numeric values without redeploying. It requires a Lightrun account, enabled MCP access, and agents attached to the target applications.","did":"619603d2-b113-40cf-b9ee-1bb726271540","documentation_url":"https://docs.lightrun.com/mcp/mcp-overview/","editorial_description":{"extended_description":"Temporary instrumentation provides runtime evidence subject to organizational permissions and redaction rules. Interactive use supports OAuth; automation can use a Dev-scoped bearer key. Tools inspect connected agents or pools, retrieve samples, and cancel snapshots or duration measurements.","schema_version":1,"summary":"Lightrun lets Claude investigate applications already running in development, staging, or production.\nCapture snapshots and call stacks, count executions, and measure durations or numeric values without redeploying.\nIt requires a Lightrun account, enabled MCP access, and agents attached to the target applications."},"homepage_url":"","icon":"https://lightrun-public.s3.us-east-1.amazonaws.com/img/lightrun_512.png","id":"619603d2-b113-40cf-b9ee-1bb726271540","installs":0,"last_scanned":"","license":"","long_description":"Temporary instrumentation provides runtime evidence subject to organizational permissions and redaction rules. Interactive use supports OAuth; automation can use a Dev-scoped bearer key. Tools inspect connected agents or pools, retrieve samples, and cancel snapshots or duration measurements.","manual_assessment":"medium","manual_review":{"all_findings":[{"evidence":"Official docs say these actions add/cancel snapshots and duration measurements against selected code locations in running services.","reasoning":"They change live diagnostic instrumentation state, but do not change application code or deploy a release.","risk_type":"data_modification","severity":"medium","title":"Creates temporary live-runtime observability actions","triggering_tools_or_skills":["snapshot_create","execution_duration_create","snapshot_cancel","execution_duration_cancel"]},{"evidence":"The official overview says the connector inspects expression values, call stacks, metrics and execution counts in live runtimes.","reasoning":"Runtime values may contain private production data even with configured PII redaction.","risk_type":"private_data_read","severity":"low","title":"Captures production values, stacks and metrics","triggering_tools_or_skills":["snapshot_get_values","snapshot_get_call_stack","get_runtime_numeric_metric_samples"]}],"assessment_status":"provisional","auth_and_scopes":"OAuth, user PAT or scoped API key authentication is required; RBAC and Agent Pool access are enforced on each tool call.","blocked_missing_evidence":null,"confidence":"high","displayed_risk":"medium","evidence_completeness":"complete","manual_overall_risk":"medium","official_sources":[{"accessed_at":"2026-10-10T20:24:37Z","url_or_path":"plutosecurity/plutonium@b749c8dc43536c794409be9805edd48063f045e2:app/data/conn/claudesec/619603d2-b113-40cf-b9ee-1bb726271540.json","what_it_proves":"Candidate PR #125 record identity (name \"Lightrun\", publisher, type web_connector) and 14 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/619603d2-b113-40cf-b9ee-1bb726271540: complete tool_names inventory (14 tools), remote streamable-http endpoint https://app.lightrun.com/mcp, auth_posture auth_required, directory tier community"},{"accessed_at":"2026-10-10T20:50:48Z","url_or_path":"https://docs.lightrun.com/mcp/mcp-overview/","what_it_proves":"Lightrun documents permission-scoped inspection of live runtimes without code changes, rebuilds or redeployments."},{"accessed_at":"2026-10-10T20:50:48Z","url_or_path":"https://docs.lightrun.com/mcp/lightrun-tools/","what_it_proves":"Lightrun documents snapshot and execution-duration actions that instrument code locations and capture values and timing samples."}],"primary_reason":"Lightrun creates bounded diagnostic instrumentation and reads sensitive live-runtime state without redeploying code.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:619603d2-b113-40cf-b9ee-1bb726271540","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 14 tools against the overview and supported-tools page. Snapshot expressions capture values but the documented surface does not execute arbitrary caller code; runtime instrumentation remains subject to RBAC and pool controls.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"false","browser_control":"false","credential_or_admin_actions":"false","deletes_data":"false","deployment_or_infrastructure":"false","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":"false","sends_messages_as_user":"false","spends_or_moves_money":"false"},"tools_or_skills_reviewed":14,"tools_or_skills_total":14},"name":"Lightrun","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=619603d2-b113-40cf-b9ee-1bb726271540&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://lightrun.com/privacy-policy/","provisional_risk":null,"publication_recommendation":"accept","publisher":"Lightrun","publisher_url":"https://lightrun.com/","remote_url":"https://app.lightrun.com/mcp","repository_url":"","risk":"medium","risk_severity":"medium","security_risks":[{"description":"This connector can create, update, configure, or otherwise change connected resources. Review findings: They change live diagnostic instrumentation state, but do not change application code or deploy a release.","evidence":"Creates temporary live-runtime observability actions: Official docs say these actions add/cancel snapshots and duration measurements against selected code locations in running services.","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 temporary live-runtime observability actions","triggering_tools":["snapshot_create","execution_duration_create","snapshot_cancel","execution_duration_cancel"]},{"description":"This connector can read information available to the connected account and return it to the AI. Review findings: Runtime values may contain private production data even with configured PII redaction.","evidence":"Captures production values, stacks and metrics: The official overview says the connector inspects expression values, call stacks, metrics and execution counts in live runtimes.","manual_risk_type":"private_data_read","remediation":{"block_tool_categories":["data_exfiltration"],"steps":["Use a least-privilege account limited to the information required by the workflow.","Restrict folders, projects, tenants, and other data scopes wherever the provider allows it.","Review access logs for unexpected reads or bulk retrieval."]},"risk_type":"reads_private_data","severity":"low","title":"Captures production values, stacks and metrics","triggering_tools":["snapshot_get_values","snapshot_get_call_stack","get_runtime_numeric_metric_samples"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"support-ticket@lightrun.com","tags":["modifies_data","network_access","oauth_required","reads_private_data","web_connector"],"tools":[{"description":"","name":"execution_duration_cancel","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 change live diagnostic instrumentation state, but do not change application code or deploy a release."}},{"description":"","name":"execution_duration_create","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 change live diagnostic instrumentation state, but do not change application code or deploy a release."}},{"description":"","name":"execution_duration_samples"},{"description":"","name":"execution_duration_status"},{"description":"","name":"get_runtime_execution_count"},{"description":"","name":"get_runtime_numeric_metric"},{"description":"","name":"get_runtime_numeric_metric_samples"},{"description":"","name":"get_runtime_sources_agent_pools"},{"description":"","name":"get_runtime_sources_agents"},{"description":"","name":"snapshot_cancel","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 change live diagnostic instrumentation state, but do not change application code or deploy a release."}},{"description":"","name":"snapshot_create","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 change live diagnostic instrumentation state, but do not change application code or deploy a release."}},{"description":"","name":"snapshot_get_call_stack"},{"description":"","name":"snapshot_get_values"},{"description":"","name":"snapshot_status"}],"tools_count":14,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/619603d2-b113-40cf-b9ee-1bb726271540","uuid":"fbc37ef7-61f2-55f9-902d-3cbbb5e8ac5a","verification_tier":"community","version":""},"query_key":"lightrun lightrun","schema_version":1,"status":"match"}