Context7 vs Zelinqa MCP
A side-by-side look at the Context7 and Zelinqa MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Context7 for developer tools work as a local process; choose Zelinqa 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?
Choose Context7 when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You want tools like
resolve-library-id, query-docs.
Choose Zelinqa MCP when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
ZELINQA_API_KEY.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 65/100 · Great | 35/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | Not declared |
| Pricing | Free | Not declared |
| Required env vars | None listed | ZELINQA_API_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 63,150 | 1 |
| Directory activity | 9 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 2 | Not listed |
| Full listing | View Context7 | View Zelinqa MCP |
Tools & capabilities
Context7 tools 2
resolve-library-idResolves a general library name into a Context7-compatible library ID.query-docsRetrieves documentation for a library using a Context7-compatible library ID.
Zelinqa MCP 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.
Context7
{
"mcpServers": {
"upstash-context7": {
"command": "npx",
"args": [
"-y",
"ctx7"
]
}
}
}
Zelinqa MCP
{
"mcpServers": {
"zelinqa-mcp": {
"command": "uvx",
"args": [
"zelinqa-mcp"
],
"env": {
"ZELINQA_API_KEY": "YOUR_ZELINQA_API_KEY_HERE"
}
}
}
}
Frequently asked questions
Context7 is categorized under Developer Tools and uses a local stdio subprocess. Zelinqa MCP belongs to Developer Tools and uses a local stdio subprocess. Pick Context7 for developer tools work and Zelinqa 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.
Context7 is listed as free. Auth: api key required. Zelinqa MCP has no declared pricing — check the project's own site. 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 upstash-context7 and zelinqa-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Context7 has a quality signal of 65/100 (Great) with 9 views, 0 installs and 63,150 GitHub stars. Zelinqa MCP has 35/100 (Fair) with 0 views, 0 installs and 1 GitHub stars.