Pyscn vs REA

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

Pyscn logoPyscnDeveloper Tools · Local subprocess (stdio)Python code analysis for AI agents: complexity, dead code, clones, coupling, and a health score.49FairAuth: no auth requiredREA logoREASecurityReverse engineer anything from your terminal or agent with one CLI and MCP server.51GoodAuth: no auth required

Verdict: choose Pyscn for developer tools work as a local process; choose REA for security. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Pyscn logoChoose Pyscn 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 Pyscn

REA logoChoose REA when

  • You need dedicated capabilities in the Security domain.
  • Its auth model fits you: No auth required.
Explore REA

Feature & specification comparison

Rows where the two servers differ are marked.

SpecPyscn logoPyscnREA logoREA
CategoryDeveloper ToolsSecurity
Quality signal49/100 · Fair51/100 · Good
Install commandConfirmedNot confirmed yet
TransportLocal subprocess (stdio)—
AuthNo auth requiredNo auth required
PricingFreeFree
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars1,097391,360
Directory activity 1 views 0 installs 0 upvotes 15 views 0 installs 0 upvotes
ToolsNot listedNot listed

Tools & capabilities

Pyscn tools

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

REA 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.

Pyscn

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "pyscn": {
      "command": "uvx",
      "args": [
        "pyscn-mcp"
      ]
    }
  }
}

REA

No confirmed install command for REA yet — follow the setup steps linked from its listing page rather than a guessed package name.

Frequently asked questions

Pyscn is categorized under Developer Tools and uses a local stdio subprocess. REA belongs to Security and uses an install path we have not confirmed yet. Pick Pyscn for developer tools work and REA for security.

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. REA has no confirmed install command yet — follow its own setup instructions.

Pyscn is listed as free. Auth: no auth required. REA 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 pyscn and rea as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Pyscn has a quality signal of 49/100 (Fair) with 1 views, 0 installs and 1,097 GitHub stars. REA has 51/100 (Good) with 15 views, 0 installs and 391,360 GitHub stars.