Cratis Chronicle

io.github.Cratis/chronicle-mcp

Inspect Cratis Chronicle event stores read-only by default; opt-in, authorized job control.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "chronicle-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/cratis/chronicle-mcp:2.1.0"
      ],
      "env": {
        "Cratis__Chronicle__Mcp__Profile": "ReadOnly",
        "Cratis__Chronicle__Mcp__ConnectionString": "chronicle://host.docker.internal:35000",
        "Cratis__Chronicle__Mcp__ClientSecret": "<your Cratis__Chronicle__Mcp__ClientSecret>",
        "Cratis__Chronicle__Mcp__ApiKey": "<your Cratis__Chronicle__Mcp__ApiKey>",
        "Cratis__Chronicle__Mcp__EventStore": "default",
        "Cratis__Chronicle__Mcp__Namespace": "Default"
      }
    }
  }
}
Environment variables
  • Cratis__Chronicle__Mcp__ProfileDeployment profile. ReadOnly (default) registers inspection tools only. Mutation also needs an Authorization policy: https://www.cratis.io/chronicle-mcp/deployment-profiles/
  • Cratis__Chronicle__Mcp__ConnectionStringChronicle endpoint reachable from the container; host.docker.internal reaches the host on macOS/Windows.
  • Cratis__Chronicle__Mcp__ClientSecretsecretOAuth client secret; set together with ClientId to override development credentials.
  • Cratis__Chronicle__Mcp__ApiKeysecretAPI key for authentication, as an alternative to client credentials.
  • Cratis__Chronicle__Mcp__EventStoreDefault event store used by tools when none is specified.
  • Cratis__Chronicle__Mcp__NamespaceDefault namespace used by tools when none is specified.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
2.1.0
Registry
active
Published
11/4/2026

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Cratis Chronicle — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-cratis-chronicle-mcp?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Cratis Chronicle — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

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Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.