DirectoryMCP serversPayments & finance

OptimistFi: MCP server (Payments & finance) in 2026

Perpetual futures across 40 venues, perps prop firms and sourced theses on 6,100+ US stocks.

Verified working on 2026-10-27 Rank 10 of 77 in Payments & finance. Source: MCP Registry record, checked 2026-10-27.

Key facts

TypeMCP server, remote (streamable HTTP)
CategoryPayments & finance
Endpointhttps://mcp.optimistfi.com/mcp
Registry namecom.optimistfi/optimistfi
Version (registry)1.30.1
Published in registry2026-10-19
Registry record updated2026-10-19
Repositoryhttps://github.com/OptimistFi/optimistfi-mcp
Websitehttps://optimistfi.com/mcp
AuthenticationNone needed for initialize and tools/list (checked anonymously)
Latest checkUp on 2026-10-27, 155 ms to initialize
Tools listed17
Checks passed1 of 1 daily checks
Last verified working2026-10-27
Sourcehttps://registry.modelcontextprotocol.io/v0/servers/com.optimistfi%2Foptimistfi/versions/latest (pulled 2026-10-27)

Tools (17)

what_changed, resolve_entity, get_calendar, get_capital_returns, get_filings, get_congress_trades, answer, get_perps, get_perps_history, get_prop_firms, get_perps_desk, get_perps_market, compare, get_track_record, get_thesis, get_thesis_impact, get_insider_trades

Verification history

One probe a day: initialize, then tools/list, nothing else. Last 1 checks: 10-27 up

Install

Claude Code
claude mcp add --transport http optimistfi https://mcp.optimistfi.com/mcp
Claude (claude.ai, Desktop)

Settings > Connectors > Add custom connector. Name: OptimistFi. URL: https://mcp.optimistfi.com/mcp

Cursor
{
  "mcpServers": {
    "optimistfi": {
      "url": "https://mcp.optimistfi.com/mcp"
    }
  }
}

Save as ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).

ChatGPT

Settings > Connectors > Advanced > Developer mode, then Create. Name: OptimistFi. MCP server URL: https://mcp.optimistfi.com/mcp. Authentication: No authentication.

Custom connectors need a plan with Developer mode; menu names change between releases.

Hermes Agent
mcp_servers:
  optimistfi:
    url: "https://mcp.optimistfi.com/mcp"

Add to ~/.hermes/config.yaml, then run /reload-mcp.

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OptimistFi: MCP server (Payments & finance) in 2026 · Vibe Shipped