A side-by-side look at the Japan Jepx MCP and Claude Task Master MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Japan Jepx MCP for developer tools work; choose Claude Task Master for developer tools as a local process. You can also run both side by side in one mcpServers block.
get_latest_spot_price, get_spot_price_by_day, get_spot_price_history.ANTHROPIC_API_KEY, OPENAI_API_KEY, GOOGLE_API_KEY, PERPLEXITY_API_KEY, XAI_API_KEY, OPENROUTER_API_KEY, MISTRAL_API_KEY, TASK_MASTER_TOOLS.Rows where the two servers differ are marked.
| Spec | J Japan Jepx MCP | |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 45/100 · Fair | 61/100 · Good |
| Install command | Not confirmed yet | Confirmed |
| Transport | — | Local subprocess (stdio) |
| Auth | No auth required | API key required |
| Pricing | Free | BYOK (pay the provider) |
| Required env vars | None listed | ANTHROPIC_API_KEYOPENAI_API_KEYGOOGLE_API_KEYPERPLEXITY_API_KEYXAI_API_KEYOPENROUTER_API_KEYMISTRAL_API_KEYTASK_MASTER_TOOLS |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 28,227 |
| Directory activity | 0 views 0 installs 0 upvotes | 9 views 0 installs 0 upvotes |
| Tools | 5 | Not listed |
| Full listing | View Japan Jepx MCP | View Claude Task Master |
get_latest_spot_priceLatest spot price for an area (default tokyo)get_spot_price_by_dayFull 48-period day curve + min/max/avgget_spot_price_historyDaily-average history (min/max/avg over window)get_cheapest_spotCheapest 30-min slots, or cheapest-area rankinglist_spot_areasArea catalogue + unit + latest dateNo tool names declared yet. Check the project README from the listing page.
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.
No confirmed install command for Japan Jepx MCP yet — follow the setup steps linked from its listing page rather than a guessed package name.
{
"mcpServers": {
"eyaltoledano-claude-task-master": {
"command": "npx",
"args": [
"-y",
"task-master-ai"
],
"env": {
"ANTHROPIC_API_KEY": "YOUR_ANTHROPIC_API_KEY_HERE",
"OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE",
"GOOGLE_API_KEY": "YOUR_GOOGLE_API_KEY_HERE",
"PERPLEXITY_API_KEY": "YOUR_PERPLEXITY_API_KEY_HERE",
"XAI_API_KEY": "YOUR_XAI_API_KEY_HERE",
"OPENROUTER_API_KEY": "YOUR_OPENROUTER_API_KEY_HERE",
"MISTRAL_API_KEY": "YOUR_MISTRAL_API_KEY_HERE",
"TASK_MASTER_TOOLS": "YOUR_TASK_MASTER_TOOLS_HERE"
}
}
}
}