Chess UCI vs MCP Stockfish
A side-by-side look at the Chess UCI and MCP Stockfish MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Chess UCI for gaming work as a local process; choose MCP Stockfish for gaming. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Chess UCI when
- You need dedicated capabilities in the Gaming domain.
- You prefer a local stdio subprocess transport.
Choose MCP Stockfish when
- You need dedicated capabilities in the Gaming domain.
- Its auth model fits you: No auth required.
- You want tools like
command, session_id.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Gaming | Gaming |
| Quality signal | 39/100 · Fair | 43/100 · Fair |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 2 | 15 |
| Directory activity | 0 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | Not listed | 2 |
| Full listing | View Chess UCI | View MCP Stockfish |
Tools & capabilities
Chess UCI tools
No tool names declared yet. Check the project README from the listing page.
MCP Stockfish tools 2
commandUCI command to executesession_idSession ID (optional, we'll make one up if you don't)
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.
Chess UCI
{
"mcpServers": {
"chess-uci": {
"command": "uvx",
"args": [
"chess-uci-mcp@latest"
]
}
}
}
MCP Stockfish
No confirmed install command for MCP Stockfish yet — follow the setup steps linked from its listing page rather than a guessed package name.
Frequently asked questions
Chess UCI is categorized under Gaming and uses a local stdio subprocess. MCP Stockfish belongs to Gaming and uses an install path we have not confirmed yet. Pick Chess UCI for gaming work and MCP Stockfish for gaming.
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. MCP Stockfish has no confirmed install command yet — follow its own setup instructions.
Chess UCI has no declared pricing — check the project's own site. MCP Stockfish 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 chess-uci and sonirico-mcp-stockfish as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Chess UCI has a quality signal of 39/100 (Fair) with 0 views, 0 installs and 2 GitHub stars. MCP Stockfish has 43/100 (Fair) with 3 views, 0 installs and 15 GitHub stars.