A side-by-side look at the Octagon MCP Server and Site MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Octagon MCP Server for finance & fintech work as a local process; choose Site for finance & fintech. You can also run both side by side in one mcpServers block.
OCTAGON_API_KEY.octagon-prediction-markets-agent, prediction_markets_history, octagon-docs-search.Rows where the two servers differ are marked.
| Spec | S Site | |
|---|---|---|
| Category | Finance & Fintech | Finance & Fintech |
| Quality signal | 59/100 · Good | 43/100 · Fair |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | API key required | No auth required |
| Pricing | Freemium | Free |
| Required env vars | OCTAGON_API_KEY | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 147 | — |
| Directory activity | 4 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 6 | Not listed |
| Full listing | View Octagon MCP Server | View Site |
octagon-prediction-markets-agentprediction_markets_historyoctagon-docs-searchoctagon-docs-readoctagon-docs-listoctagon-docs-refreshNo 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.
{
"mcpServers": {
"octagonai-octagon-mcp-server": {
"command": "npx",
"args": [
"-y",
"octagon-mcp"
],
"env": {
"OCTAGON_API_KEY": "YOUR_OCTAGON_API_KEY_HERE"
}
}
}
}
No confirmed install command for Site yet — follow the setup steps linked from its listing page rather than a guessed package name.