Ed's Agentic Finance Rails

Local MCP servers and CLIs

Self-run MCP servers and CLIs authenticate with API keys you hold, so their guardrails are only as strong as your local setup.

Last checked

Local MCP servers and CLIs

Some providers publish servers or CLIs you run locally with API credentials.

ProviderLocal optionCredentialsSafety defaultsSources
AlpacaTrading MCP v2 (stdio) and CLIAPI key and secretTool filtering with ALPACA_TOOLSETS; CLI has no confirmation prompts12
WebullOpenAPI MCP and CLI (alpha)App Key and App Secret, 2FAUAT sandbox by default; notional, quantity and symbol limits34
CoinbaseCLICDP API keyKey scoped to chosen portfolios5
tastytradeSelf-hosted MCP onlyOAuth2 refresh token in env varsDefaults to production; read-only mode available67

A newsroom post describes real-time quotes, option chains with Greeks, single- and multi-leg orders, and preflight cost estimates.8

Builder notes

  • Never expose a local server to the internet. Alpaca warns its package has no remote auth.1
  • Check the default environment. Webull defaults to sandbox;3 tastytrade defaults to production.6 Webull publishes OpenAPI agent skills for its CLI, with configurable risk controls.9
  • Limits set in environment variables can be changed by anything that can edit that environment.

Sources

Suggest a correction (opens a GitHub issue)

Footnotes

  1. GitHub - alpacahq/alpaca-mcp-server: Alpaca’s official MCP Server lets you trade stocks, ETFs, crypto, and options, run data analysis, and build strat. Alpaca (GitHub), official, retrieved 2026-11-12. ↩ ↩2

  2. GitHub - alpacahq/cli: CLI for Trading API · GitHub. Alpaca (GitHub), official, retrieved 2026-11-12. ↩

  3. GitHub - webull-inc/webull-openapi-mcp: Webull OpenAPI MCP · GitHub. Webull (GitHub), official, retrieved 2026-11-12. ↩ ↩2

  4. GitHub - webull-inc/webull-openapi-cli · GitHub. Webull (GitHub), official, retrieved 2026-11-12. ↩

  5. Coinbase MCP - Coinbase Developer Documentation. Coinbase Developer Platform, official, retrieved 2026-11-12. ↩

  6. MCP Server · tastytrade Developer Docs. tastytrade Developer Docs, official, retrieved 2026-11-12. ↩ ↩2

  7. OAuth2 authentication · tastytrade Developer Docs. tastytrade Developer Docs, official, retrieved 2026-11-12. ↩

  8. Open API MCP Brings AI to Your tastytrade Account. tastytrade, official, retrieved 2026-11-12. ↩

  9. GitHub - webull-inc/webull-openapi-skills · GitHub. Webull (GitHub), official, retrieved 2026-11-12. ↩

Last verified 2026-11-14

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Source file: rails/local-mcp-and-cli.md

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