grafana/mcp-grafana v0.12.0 on GitHub

InfluxDB datasource support with both Flux and InfluxQL query languages (#775)
Graphite datasource support with metric finding, query execution, and function discovery tools (#741)
Support legacy d-solo render mode for panel image rendering (#751)
Forward Accept header through API proxy for rendering requests (#747)

Include full query data in alert rule get response, preserving datasource-specific fields (#777)
Propagate trace context through OnCall, ClickHouse, and CloudWatch tools for end-to-end distributed tracing (#769)
Register ephemeral sessions to fix horizontal scaling of proxied tools (#754)
Encode Basic Auth credentials per RFC 7617 in proxied client (#758)
Preserve datasource-specific model fields (e.g. Graphite target, classic conditions) during alert rule JSON round-tripping (#730)
Include forwarded headers in client cache key to prevent cross-user cache collisions (#768)

Reduce tool schema token cost and response payload sizes for lower LLM token usage (#734)
Standardize HTTP transport middleware via shared BuildTransport() constructor (#771)

Reject embedded credentials in X-Grafana-URL header to prevent credential leakage (#782)
Reject malformed X-Grafana-URL header instead of panicking (#762)
Update Prometheus dependency to v0.311.2 to address security vulnerability (#742)