AnomalyArmor vs Scherlok

A side-by-side look at the AnomalyArmor and Scherlok MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

AnomalyArmor logoAnomalyArmorMonitoring · Local subprocess (stdio)Data observability tools for engineering teams: alerts, freshness, schema drift, lineage, quality.36FairAuth: not declaredScherlok logoScherlokData Platforms · Local subprocess (stdio)Zero-config data quality monitoring across Postgres, BigQuery, Snowflake, MySQL, and DuckDB. Profile a warehouse, detect anomalies (volume, schema drift, freshness, NULLs, distribution, cardinality), with optional dbt manifest lineage. Read-only — connection resolved server-side, never passed via the model.55GoodAuth: api key required

Verdict: choose AnomalyArmor for monitoring work as a local process; choose Scherlok for data platforms as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

AnomalyArmor logoChoose AnomalyArmor when

  • You need dedicated capabilities in the Monitoring domain.
  • You prefer a local stdio subprocess transport.
  • You have the keys it needs: ARMOR_API_KEY.
Explore AnomalyArmor

Scherlok logoChoose Scherlok when

  • You need dedicated capabilities in the Data Platforms domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: API key required.
Explore Scherlok

Feature & specification comparison

Rows where the two servers differ are marked.

SpecAnomalyArmor logoAnomalyArmorScherlok logoScherlok
CategoryMonitoringData Platforms
Quality signal36/100 · Fair55/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredAPI key required
PricingNot declaredFree
Required env varsARMOR_API_KEYNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars111
Directory activity 0 views 0 installs 0 upvotes 3 views 0 installs 0 upvotes
ToolsNot listedNot listed

Tools & capabilities

AnomalyArmor tools

No tool names declared yet. Check the project README from the listing page.

Scherlok tools

No tool names declared yet. Check the project README from the listing page.

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

AnomalyArmor

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "anomalyarmor": {
      "command": "uvx",
      "args": [
        "armor-mcp"
      ],
      "env": {
        "ARMOR_API_KEY": "YOUR_ARMOR_API_KEY_HERE"
      }
    }
  }
}

Scherlok

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "rbmuller-scherlok": {
      "command": "uvx",
      "args": [
        "--from",
        "scherlok[duckdb]",
        "scherlok"
      ]
    }
  }
}

Frequently asked questions

AnomalyArmor is categorized under Monitoring and uses a local stdio subprocess. Scherlok belongs to Data Platforms and uses a local stdio subprocess. Pick AnomalyArmor for monitoring work and Scherlok for data platforms.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

AnomalyArmor has no declared pricing — check the project's own site. Scherlok is listed as free. Auth: api key required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add anomalyarmor and rbmuller-scherlok as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, AnomalyArmor has a quality signal of 36/100 (Fair) with 0 views, 0 installs and 1 GitHub stars. Scherlok has 55/100 (Good) with 3 views, 0 installs and 11 GitHub stars.