us-all

Airflow MCP for the Airflow 3.x `/api/v2` REST API with JWT auth (SimpleAuthManager). 7 tools (DAG list, runs, task instances, log tails, trigger, clear) plus `dag-health-rollup` aggregation and 2 triage Prompts. Read-only by default; trigger/clear gated by `AIRFLOW_ALLOW_WRITE`.

Datadog observability MCP server with 165 tools across metrics, monitors, logs, APM, RUM, incidents, status pages, and fleet automation. 4 workflow Prompts and `incident-triage-snapshot` aggregation tool.

dbt MCP server with 22 read-only tools across `manifest.json` / `run_results.json` / `sources.json` / `catalog.json` (model/test/source introspection, run-history analysis, slow models, per-column test coverage, lineage walks) plus 5 DQ result-table tools (BigQuery + Postgres lazy peer imports). 4 triage Prompts and 4 aggregations.

MLflow MCP server with 82 tools across experiments, runs, registered models, model versions, traces, and assessments. MLflow 3 GenAI traces support and 5 workflow Prompts.

Android MCP server with 76 ADB-based tools across device management, apps, UI automation, logcat, emulator, files, system, and debug. 7 workflow Prompts (crash investigation, ANR, battery drain).

Google Drive + Workspace MCP server with 98 tools across Docs, Sheets, Slides, Shared Drives, Labels, and Approvals. OAuth2 / Service Account + Domain-Wide Delegation auth.

OpenMetadata MCP server with 170 tools across metadata, lineage, search, data quality, sample data, and OM 1.12+ Data Contracts. Includes `lineage-impact` and `quality-rollup` aggregations.

UniFi semantic-analysis MCP server with 54 tools on top of Site Manager API and Cloud Connector. 8 workflow Prompts (4 fleet-ops + 4 MSP). Anomaly detection, fleet health, cross-site analytics. Read-only.

Shared library for MCP server authors with token-efficient defaults: category toggles, extractFields response slimming, search-tools meta-tool, ToolRegistry, and runtime helper supporting stdio + Streamable HTTP transports.