A side-by-side look at the Cold Leads and Shadcn Ui MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Cold Leads for developer tools work as a local process; choose Shadcn Ui MCP Server for developer tools as a local process. You can also run both side by side in one mcpServers block.
COLDLEADS_API_KEY, COLDLEADS_API_BASE.verify_email, search_leads, provision_account_and_get_payment_link.MCP_TRANSPORT_MODE, MCP_PORT, MCP_HOST, MCP_CORS_ORIGINS, GITHUB_PERSONAL_ACCESS_TOKEN, UI_LIBRARY.get_component, get_component_demo, list_components.Rows where the two servers differ are marked.
| Spec | C Cold Leads | |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 53/100 · Good | 72/100 · Great |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | API key required |
| Pricing | Not declared | Free |
| Required env vars | COLDLEADS_API_KEYCOLDLEADS_API_BASE | MCP_TRANSPORT_MODEMCP_PORTMCP_HOSTMCP_CORS_ORIGINSGITHUB_PERSONAL_ACCESS_TOKENUI_LIBRARY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 3,057 |
| Directory activity | 0 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | 4 | 10 |
| Full listing | View Cold Leads | View Shadcn Ui MCP Server |
verify_emailVerification of one address: syntax, disposable domain, role account and MX records, plus an SMTP mailbox and catch-all check when Cold Leads can open an SMTP connection to the recipient's mail server (otherwise `reasons` contains `smtp_unreachable` and `catch_all` is `null`). Returns `valid`, `ris…search_leadsContacts already in your Cold Leads CRM for a company domain, with an optional role keyword: e-mail, name, company, stage, tags, verification status and a `do_not_contact` flag. Cold Leads has no third-party lead database.provision_account_and_get_payment_linkFor agents without a key: creates a pending account for the human owner and returns a Stripe payment link for the Business plan. The human decides and pays.check_provisioning_statusAfter the owner paid: returns the API key exactly once (with the `claim_token`). The server starts using it immediately.get_componentGet the source code for a specific shadcn/ui v4 componentget_component_demoGet demo code illustrating how a shadcn/ui v4 component should be usedlist_componentsGet all available shadcn/ui v4 componentsget_component_metadataGet metadata for a specific shadcn/ui v4 componentget_directory_structureGet the directory structure of the shadcn-ui v4 repositoryget_blockGet source code for a specific shadcn/ui v4 block (e.g., calendar-01, dashboard-01)list_blocksGet all available shadcn/ui v4 blocks with categorizationapply_themeApply a TweakCN theme preset to the projectlist_themesList available tweakcn themesget_themeGet details of a specific tweakcn themePaste 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.
{
"mcpServers": {
"cold-leads": {
"command": "npx",
"args": [
"-y",
"@coldleads/mcp-server"
],
"env": {
"COLDLEADS_API_KEY": "YOUR_COLDLEADS_API_KEY_HERE",
"COLDLEADS_API_BASE": "YOUR_COLDLEADS_API_BASE_HERE"
}
}
}
}
{
"mcpServers": {
"jpisnice-shadcn-ui-mcp-server": {
"command": "npx",
"args": [
"-y",
"@jpisnice/shadcn-ui-mcp-server"
],
"env": {
"MCP_TRANSPORT_MODE": "YOUR_MCP_TRANSPORT_MODE_HERE",
"MCP_PORT": "YOUR_MCP_PORT_HERE",
"MCP_HOST": "YOUR_MCP_HOST_HERE",
"MCP_CORS_ORIGINS": "YOUR_MCP_CORS_ORIGINS_HERE",
"GITHUB_PERSONAL_ACCESS_TOKEN": "YOUR_GITHUB_PERSONAL_ACCESS_TOKEN_HERE",
"UI_LIBRARY": "YOUR_UI_LIBRARY_HERE"
}
}
}
}