Janusmcp vs Metatool App

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

Janusmcp logoJanusmcpAggregators · Local subprocess (stdio)Local multi-account MCP broker — one endpoint, every account. Switch identity without reconnecting.64GoodAuth: not declaredMetatool App logoMetatool AppAggregators · Local subprocess (stdio)MetaMCP is the one unified middleware MCP server that manages your MCP connections with GUI.45FairAuth: no auth required

Verdict: choose Janusmcp for aggregators work as a local process; choose Metatool App for aggregators as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Janusmcp logoChoose Janusmcp when

  • You need dedicated capabilities in the Aggregators domain.
  • You prefer a local stdio subprocess transport.
  • You want tools like janus_list_accounts, janus_login, janus_use_account.
Explore Janusmcp

Metatool App logoChoose Metatool App when

  • You need dedicated capabilities in the Aggregators domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
Explore Metatool App

Feature & specification comparison

Rows where the two servers differ are marked.

SpecJanusmcp logoJanusmcpMetatool App logoMetatool App
CategoryAggregatorsAggregators
Quality signal64/100 · Good45/100 · Fair
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars92,722
Directory activity 1 views 0 installs 0 upvotes 3 views 0 installs 0 upvotes
Tools5Not listed

Tools & capabilities

Janusmcp tools 5

  • janus_list_accountsList configured accounts/services and which is active for this session.
  • janus_loginStart an OAuth login for <provider> in your browser and store the token as <name>. The token is captured locally and saved to the OS keychain — it never passes through this chat. Afterwards reference it from an account env as "oauth:<name>". Built-in providers: github, google, supabase.
  • janus_use_accountSet the active account/identity. Reloads upstream tools and notifies the client. scope: 'session' or 'global' (defaults to the broker bindingMode).
  • janus_whoamiReturn the active account for this session and how it was resolved.
  • janus_with_accountRun a single tool call on another account WITHOUT changing the active account. Omit 'tool' to first list that account's available tools.

Metatool App 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.

Janusmcp

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

Metatool App

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "metatool-ai-metatool-app": {
      "command": "uvx",
      "args": [
        "mcp-hn"
      ]
    }
  }
}

Frequently asked questions

Janusmcp is categorized under Aggregators and uses a local stdio subprocess. Metatool App belongs to Aggregators and uses a local stdio subprocess. Pick Janusmcp for aggregators work and Metatool App for aggregators.

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.

Janusmcp has no declared pricing — check the project's own site. Metatool App 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 janusmcp and metatool-ai-metatool-app as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Janusmcp has a quality signal of 64/100 (Good) with 1 views, 0 installs and 9 GitHub stars. Metatool App has 45/100 (Fair) with 3 views, 0 installs and 2,722 GitHub stars.