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

DimensionPubmed MCP ServerSearch PubMed and Europe PMC biomedical literature via MCP.Hevy MCPManage your Hevy workout data from AI assistants via MCP.
FMRS65 / 100 · C77 / 100 · B
Reliability9 / 2012 / 20
Security and permissions13 / 2016 / 20
Maintenance13 / 2016 / 20
Documentation16 / 2018 / 20
Setup experience14 / 2015 / 20
Best for
  • Researchers and biomedical agents needing programmatic PubMed or Europe PMC access
  • Workflows requiring structured literature metadata, full text, and citation output
  • Literature-management tasks involving DOI, PMID, and PMCID identifiers
  • 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 seeking searches across non-biomedical databases
  • Workflows requiring guaranteed full-text availability for every article
  • Users that need this server to be treated as an official PubMed or NCBI server
  • 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
  • The server needs access to NCBI services; Europe PMC access is needed when Europe PMC features are enabled.
  • Full-text fallback through Unpaywall requires UNPAYWALL_EMAIL and access to Unpaywall.
  • API keys and contact emails are optional; NCBI_API_KEY can increase the NCBI rate limit.
  • Streamable HTTP deployments can use none, jwt, or oauth authentication; the default is none.
  • 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
  • Full-text retrieval depends on PMC, Europe PMC, or legal open-access sources and may return unavailable or truncated results.
  • Unpaywall results may include best-effort warnings and may be returned as HTML Markdown or PDF text.
  • The source does not provide further details about authentication or availability of the public hosted instance.
  • NCBI and Europe PMC requests are affected by rate limits, timeouts, and retry settings.
  • 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, Cursor, VS CodeClaude Desktop, Cursor, Codex, Antigravity
Tools1126