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Compare scores, permissions, risks, and fit in one decision-focused table.

DimensionOctagon MCP ServerAn MCP server for public & prediction markets research, providing source-backed answers.Hevy MCPManage your Hevy workout data from AI assistants via MCP.
FMRS39 / 100 · D77 / 100 · B
Reliability6 / 2012 / 20
Security and permissions8 / 2016 / 20
Maintenance8 / 2016 / 20
Documentation9 / 2018 / 20
Setup experience8 / 2015 / 20
Best for
  • Investors and financial analysts who need fast, cited intelligence.
  • Researchers needing comprehensive market intelligence across SEC filings, calls, and market data.
  • Users interested in researching prediction market events (e.g., Kalshi markets).
  • Hevy PRO users who want AI assistants to directly access their workout data
  • People who prefer using MCP clients like Claude, Cursor, Codex for fitness tracking
  • Anyone needing summaries and insights from their training data
Not for
  • Users who do not want to sign up for an Octagon API key.
  • Users needing live trading or order execution capabilities.
  • Users wishing to host the server on non-stdio transports (e.g., SSE or HTTP).
  • Users without a Hevy PRO subscription (API key required)
  • Users who want to use the server without an API key
  • Those needing delete workflows (Hevy API does not expose delete endpoints)
Required permissions
  • Requires a valid OCTAGON_API_KEY to access the Octagon API.
  • Documentation tools work even without the API key; they fetch docs from public endpoints.
  • Requires network access for npx to fetch the package and for API calls.
  • Requires HEVY_API_KEY environment variable for Hevy API authentication
  • Can create, update, and replace workouts, routines, folders, templates, and body measurements via tools
  • Read operations can fetch workouts, routines, folders, templates, history, and user info
Risks and side effects
  • API key exposure may lead to unauthorized access and potential charges.
  • Dependency on third-party API (Octagon) availability and accuracy.
  • Generated research may not reflect real-time market data and could be outdated.
  • API key can be misused if leaked; do not expose in URLs, logs, or screenshots
  • Create operations may produce duplicates on retry; update operations replace existing records
  • The server sends data to the Hevy API and may send telemetry to external services unless disabled
Supported clientsClaude Desktop, CursorClaude Desktop, Cursor, Codex, Antigravity
Tools826