Erd Editor vs Chatpack MCP

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

Erd Editor logoErd EditorDeveloper Tools · Local subprocess (stdio)Design database schemas as ERDs in your browser, VS Code, JetBrains IDEs or Obsidian. Import SQL, DBML and GraphQL, export DDL and code, and let coding agents edit live over MCP.61GoodAuth: no auth requiredChatpack MCP logoChatpack MCPDeveloper Tools · Local subprocess (stdio)Read-only MCP server for Chatpack documentation, framework setup guides, and React UI block source. Runs locally over stdio with npx -y @chatpack/mcp. Node.js 20 or later; MIT license; no account or API key required.87ExcellentAuth: no auth required

Verdict: choose Erd Editor for developer tools work as a local process; choose Chatpack MCP for developer tools as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Erd Editor logoChoose Erd Editor when

  • You need dedicated capabilities in the Developer Tools domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
Explore Erd Editor

Chatpack MCP logoChoose Chatpack MCP when

  • You need dedicated capabilities in the Developer Tools domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like search_docs, get_document, get_integration_guide.
Explore Chatpack MCP

Feature & specification comparison

Rows where the two servers differ are marked.

SpecErd Editor logoErd EditorChatpack MCP logoChatpack MCP
CategoryDeveloper ToolsDeveloper Tools
Quality signal61/100 · Good87/100 · Excellent
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNo auth requiredNo auth required
PricingFreeFree
Required env varsNone listedNone listed
Verified ownerCommunity listing Verified
GitHub stars1,728224
Directory activity 0 views 0 installs 0 upvotes 4 views 0 installs 0 upvotes
ToolsNot listed5

Tools & capabilities

Erd Editor tools

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

Chatpack MCP tools 5

  • search_docsSearch bundled Chatpack documentation and the authoritative llms reference. Returns document ids, links and matching excerpts with package versions.
  • get_documentRead a complete bundled Chatpack document by id. Use llms for the authoritative integration contract or concepts/errors for troubleshooting.
  • get_integration_guideRetrieve the repository's framework setup guide with authentication guidance and the authoritative llms reference. Examples match the bundled package versions.
  • list_ui_blocksList public runtime exports of @chatpack/ui, including components, providers and utilities. Returns names accepted by get_ui_block.
  • get_ui_blockRetrieve a public @chatpack/ui export's source module and usage guide. Optionally include supporting UI modules and stylesheet. Files are reference source, not a standalone copy-and-paste component.

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.

Erd Editor

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "erd-editor": {
      "command": "npx",
      "args": [
        "-y",
        "@dineug/erd-editor-mcp"
      ]
    }
  }
}

Chatpack MCP

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "chatpack-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@chatpack/mcp"
      ]
    }
  }
}

Frequently asked questions

Erd Editor is categorized under Developer Tools and uses a local stdio subprocess. Chatpack MCP belongs to Developer Tools and uses a local stdio subprocess. Pick Erd Editor for developer tools work and Chatpack MCP for developer tools.

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.

Erd Editor is listed as free. Auth: no auth required. Chatpack MCP is listed as free. Auth: no auth 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 erd-editor and chatpack-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Erd Editor has a quality signal of 61/100 (Good) with 0 views, 0 installs and 1,728 GitHub stars. Chatpack MCP has 87/100 (Excellent) with 4 views, 0 installs and 224 GitHub stars.