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Compare MCP servers

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

DimensionIntervals.icu MCP ServerConnect Claude and ChatGPT to the Intervals.icu API through MCP.Firecrawl MCP ServerFirecrawl's official MCP server for web search, scraping, and structured extraction for AI agents
FMRS52 / 100 · D75 / 100 · B
Reliability8 / 2013 / 20
Security and permissions8 / 2012 / 20
Maintenance11 / 2016 / 20
Documentation13 / 2017 / 20
Setup experience12 / 2017 / 20
Best for
  • Athletes who use Intervals.icu for training data.
  • Users who want to query and manage Intervals.icu data through Claude Desktop or ChatGPT.
  • Development or analysis workflows involving activity, wellness, event, and power data.
  • Scenarios needing clean, structured web context fed to an AI assistant
  • Users already on the Firecrawl platform who want to call its scraping capability directly via MCP
Not for
  • Users who do not use Intervals.icu.
  • Users unwilling to provide an Intervals.icu API key and athlete ID.
  • Read-only scenarios where event or custom-item write and delete operations are not wanted.
  • Simple static-page scraping where you don't want to depend on a third-party API and incur call costs
  • Sites that explicitly disallow automated access (robots.txt)
Required permissions
  • Requires an Intervals.icu API key and athlete ID.
  • Configuration includes INTERVALS_API_BASE_URL, ATHLETE_ID, API_KEY, and LOG_LEVEL.
  • Permissions cover reading activities, wellness data, events, and custom items; events and custom items also support creation, updates, and deletion.
  • Requires a Firecrawl API key to call; cost and quota are governed by the Firecrawl account
  • firecrawl_agent/firecrawl_interact perform automated browser interaction, which may trigger login or form-submission flows on the target site
Risks and side effects
  • The API key is sensitive and should not be exposed or committed to a repository.
  • The server includes event and custom-item deletion tools, so misuse can cause data loss.
  • ChatGPT SSE setup requires a public server URL or port forwarding; an unprotected public endpoint may broaden access.
  • Write operations can modify workouts, races, notes, and custom items in Intervals.icu.
  • Bulk crawl/map tools can generate significant request volume against a target site — respect the site's rate limits and terms of service
  • firecrawl_agent's interactive action chain is longer — define task boundaries clearly before running it to avoid accidentally triggering actions on a sensitive site
Supported clientsClaude Desktop, ChatGPTClaude Desktop, VS Code, Cursor, Windsurf, Zed, Amp
Tools1611