raihan0824-prometheus-mcp-server
Provides a Model Context Protocol (MCP) server that lets AI assistants connect to a Prometheus server, discover metrics/targets, and run PromQL instant and range queries via MCP tools. Configuration is primarily done through environment variables (PROMETHEUS_URL and optional credentials/tokens).
Score Breakdown
⚙ Agent Friendliness
🔒 Security
TLS enforcement is not explicitly documented for the MCP server or upstream connections; assume HTTPS is supported but not guaranteed. Authentication covers upstream Prometheus using basic credentials or bearer token from env vars, but there is no described fine-grained scoping or per-user authorization for MCP clients. Secrets are configured via environment variables (better than hardcoding), but README does not state whether secrets are redacted from logs/telemetry. Dependency hygiene is unknown from provided data; a moderate score reflects the presence of common libraries but no CVE/audit information.
⚡ Reliability
Best When
You want an MCP-enabled AI assistant to query Prometheus (including metric discovery) from a controlled environment where Prometheus access is already secured.
Avoid When
You need fine-grained authorization for different metrics/users or you require clearly documented rate-limit and retry/idempotency semantics from this MCP server.
Use Cases
- • Chat/agent-based querying and analysis of Prometheus metrics using standardized MCP tooling
- • Automating investigative workflows (e.g., identify relevant metrics, inspect metadata, run instant/range queries)
- • Building internal AI assistants for monitoring and troubleshooting
- • Exploring metrics and targets for dashboards/alerting setup
Not For
- • Exposing Prometheus data publicly to untrusted users without strong network/auth controls
- • High-throughput or cost-sensitive workloads without verifying rate limiting and query limits on the Prometheus side
- • Use as a general-purpose Prometheus API; it focuses on MCP tool endpoints for metrics operations
Interface
Authentication
Authentication described is for the upstream Prometheus connection (not for authenticating callers of the MCP server).
Pricing
Open-source (MIT) as indicated by manifest/README; pricing not applicable.
Agent Metadata
Known Gotchas
- ⚠ Agent-driven PromQL queries can be expensive; this README does not document query cost controls or recommended guardrails—coordinate with your Prometheus limits.
- ⚠ Rate limits are not described for the MCP server interface; if rate-limited by Prometheus/network, agents may need conservative query pacing.
- ⚠ No evidence in README of MCP-server-side auth for MCP clients; treat MCP server as trusted/internal only.
Alternatives
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Scores are editorial opinions as of 2026-04-04.