Backend Investigator
Read-only diagnostics: Loki, Prometheus, PostgreSQL, Redis, BullMQ, Docker and GitHub.
Connector by mrZedov · GitHub account verified by the MCP Registry
Install
Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.
npx agentmarket install connector/mrzedov-backend-investigator
Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.
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About
Reviews
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Permissions
What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.
- Tools
- 11 read · 0 write · 0 delete · 3 not yet classified
- Secrets
- None asked for
- Install scripts
- Not scanned yet
- Runs as
- Node.js package
Tools by what they do 14
Read from the source code; the running server may list different tools.
Read 11 · Look things up without changing anything.
get_investigationget_latest_deploymentget_project_capabilitiesinspect_databaseinspect_metricsinspect_queueinspect_redisinvestigate_deployment_regressionlist_investigationslist_projectssearch_logs
Not yet classified 3 · We could not tell from the name and description.
inspect_serviceinvestigate_backendinvestigate_operation
Secrets and settings it asks for
Other settings (environment variables or headers).
BACKEND_INVESTIGATOR_TELEMETRYBACKEND_INVESTIGATOR_WORKSPACE
Tools (14)
Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].
get_investigationRetrieve an immutable investigation snapshot by investigationId, with paginated summarized evidence, findings, accepted hypotheses and source availability. Evidence references may point to another page. No live source or deleted project credentials are required.
get_latest_deploymentRead latest/previous GitHub deployments using success-status timestamps, or explicitly enabled local demo-only simulated switches. Releases are publication markers, never claimed rollout times. Build historical before/after windows without changing infrastructure.
get_project_capabilitiesDiscover enabled sources and available read-only checks for a project before choosing follow-up tools. Source IDs are included, connection configuration is not.
inspect_databaseRead PostgreSQL health, current sessions and blocking locks. For a performance review explicitly request performanceChecks: query_statistics (pg_stat_statements), tables, indexes, vacuum, io. Optional checks use bounded fixed read-only queries and report availability/reasons individually. performanceLimit defaults to 5 rows per sample (maximum 20); cumulative statistics are not a recent time window. No arbitrary SQL, EXPLAIN ANALYZE, query cancellation or maintenance is exposed.
inspect_metricsRead fixed, scoped Prometheus range queries: availability (scrape targets), http (request rate, 5xx percent, classic histogram p95/p99) and resources (process CPU cores and resident bytes). No arbitrary PromQL or writes. Windows are at most 24 hours with at most 21 evaluation points. Missing data/non-finite values are explicit. Optional equal-length earlier comparison windows report sampled-mean deltas, not causal proof or whole-window percentiles.
inspect_queueRead BullMQ counts, worker visibility and sanitized bounded job samples for a configured queue. No job retry, removal or state changes are exposed.
inspect_redisRead Redis health and sanitized SLOWLOG samples for a configured source. Never scans all keys, reads values or executes write commands.
inspect_serviceFollow up on a Docker service/container by its exact serviceId and sourceId. Reads runtime inventory, health, optional stats and recent restarts; never restarts or modifies containers.
investigate_backendPrimary high-level tool: conservatively select a strategy from an unambiguous question or explicit strategy. Unknown/mixed questions preserve full health checks. Conditional checks require observed dependency hints; irrelevant sources are skipped. Returns execution decisions, facts and optional reasoning; configured history appends a local immutable archive.
investigate_deployment_regressionCompare evidence before/after an observed successful deployment or explicitly labelled release marker. Uses compatible archived snapshots and historical logs; missing baselines are not zero. Separates changes, unchanged metrics, time correlation and optional hypotheses. Current follow-up checks are not historical evidence. Appends an immutable local archive when configured.
investigate_operationInvestigate a specific endpoint or operation in one service/log source and explicit time window. Match route or query, then correlate sampled request/trace IDs. Live infrastructure anomalies are only temporally related, not proof of causation. When history is configured, appends a local archive without changing connected infrastructure.
list_investigationsList immutable saved investigation summaries with pagination and optional projectId filter. Historical projects need not still exist; credentials and raw logs are not loaded.
list_projectsList configured projects with pagination. Use this first to select a projectId; no connection credentials are returned.
search_logsSearch bounded Docker or scoped Loki logs by optional serviceId and literal substring query. For Loki, serviceId is the source ID, not a container ID; configured labels cannot be overridden. Use a narrower explicit time window/query if sampled or oversized.
Signals
- Weekly downloads
- 51
- Last release
- Oct 13, 2026 (16 days ago)
- Last package publish
- Oct 13, 2026 (16 days ago)
From the package registry.
Details
- Registry name
io.github.mrZedov/backend-investigator- Version
- 1.7.1
- Auth
- No auth
- Packages
- npm @mr.zedov/backend-investigator
- License
- License unknown
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- Official MCP Registry
Cite this page
Backend Investigator MCP server. Agent Mart. https://agentmart.dev/connectors/mrzedov-backend-investigator (last updated 2026-10-24)