Octagon MCP Server vs Ref Tools Ref Tools MCP
A side-by-side look at the Octagon MCP Server and Ref Tools Ref Tools MCP 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 Ref Tools Ref Tools MCP for finance & fintech as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Octagon MCP Server when
- You need dedicated capabilities in the Finance & Fintech domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
OCTAGON_API_KEY. - You want tools like
octagon-prediction-markets-agent, prediction_markets_history, octagon-docs-search.
Choose Ref Tools Ref Tools MCP when
- You need dedicated capabilities in the Finance & Fintech domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
REF_API_KEY. - You want tools like
query, url.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Finance & Fintech | Finance & Fintech |
| Quality signal | 59/100 · Good | 63/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | Not declared |
| Pricing | Freemium | Not declared |
| Required env vars | OCTAGON_API_KEY | REF_API_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 147 | 1,183 |
| Directory activity | 5 views 0 installs 0 upvotes | 2 views 0 installs 0 upvotes |
| Tools | 6 | 2 |
| Full listing | View Octagon MCP Server | View Ref Tools Ref Tools MCP |
Tools & capabilities
Octagon MCP Server tools 6
octagon-prediction-markets-agentprediction_markets_historyoctagon-docs-searchoctagon-docs-readoctagon-docs-listoctagon-docs-refresh
Ref Tools Ref Tools MCP tools 2
queryurl
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.
Octagon MCP Server
{
"mcpServers": {
"octagonai-octagon-mcp-server": {
"command": "npx",
"args": [
"-y",
"octagon-mcp"
],
"env": {
"OCTAGON_API_KEY": "YOUR_OCTAGON_API_KEY_HERE"
}
}
}
}
Ref Tools Ref Tools MCP
{
"mcpServers": {
"ref-tools-ref-tools-mcp": {
"command": "npx",
"args": [
"ref-tools-mcp@latest"
],
"env": {
"REF_API_KEY": "YOUR_REF_API_KEY_HERE"
}
}
}
}
Frequently asked questions
Octagon MCP Server is categorized under Finance & Fintech and uses a local stdio subprocess. Ref Tools Ref Tools MCP belongs to Finance & Fintech and uses a local stdio subprocess. Pick Octagon MCP Server for finance & fintech work and Ref Tools Ref Tools MCP for finance & fintech.
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.
Octagon MCP Server is listed as freemium — a free tier with paid plans. Auth: api key required. Ref Tools Ref Tools 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 octagonai-octagon-mcp-server and ref-tools-ref-tools-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Octagon MCP Server has a quality signal of 59/100 (Good) with 5 views, 0 installs and 147 GitHub stars. Ref Tools Ref Tools MCP has 63/100 (Good) with 2 views, 0 installs and 1,183 GitHub stars.