grafana/mcp-grafana v0.15.0 on GitHub

Snowflake datasource tools for querying Snowflake through Grafana's /api/ds/query endpoint with macro substitution and template variables (#845)
Amazon Athena datasource support with schema discovery tools and SQL query execution, including macro substitution and result reuse (#799)
VictoriaLogs support through existing Loki tools, routing LogsQL queries via the VictoriaLogs HTTP API without adding new tools (#850)
Loki label-strategy analyzer tools for evaluating label cardinality and optimization opportunities (#885)
Plugin install and search tools for discovering, inspecting, and installing Grafana plugins (#835)

Scope datasource fallback cache by request path to prevent incorrect cache hits across different API endpoints (#897)
Release builds now report the correct version via ldflags injection (#895)
Improved Loki and dashboard tool descriptions for better agent accuracy (#880)
Add readResponseBody helper to limit and detect oversized responses, preventing excessive memory use (#884)
Improved timeout error messages for proxied tools with context-aware logging (#881)
Cap error response body reads to 1KB across all HTTP clients to prevent excessive memory allocation from misbehaving servers (#876)

Consolidated duplicated /api/ds/query implementations into a shared helper (#877)