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01SKILLHEALTH & FITNESS / HEVY MCP
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Hevy Mcp

by chrisdocUpdated 3 days ago

A Model Context Protocol (MCP) server implementation that interfaces with the Hevy fitness tracking app and its API.chrisdoc

npx -y @modelcontextprotocol/server-hevy-mcp
02VERDICTHOW IT RATED

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03SECURITYWHAT WE CHECKED
Security flags foundOur static scan found signals worth reviewing before you trust this with an agent. See exactly what, per check, below.
Telemetry disclosureUndisclosed egress detected.Static checks found network calls the docs do not mention. Disclosed telemetry is common and fine, silent telemetry is the finding.
Security tierTier 1, Contained.No network access and no credentials. Runs entirely on its own. What tiers mean
Install-time hooks & dependenciesno flags
Code that runs when you install it, before you ever call a tool.
Runs code / shell commands3 findings
MEDIUM.agents/daemons/pr-merge-conflict-repair/scripts/find-conflicted-pulls.ts:1Code-execution surface: a node child_process call site. The server can run commands on the host; review what it executes and whether any input reaches it.
MEDIUM.agents/daemons/pr-merge-conflict-repair/scripts/find-conflicted-pulls.ts:172Code-execution surface: a exec/spawn call site. The server can run commands on the host; review what it executes and whether any input reaches it.
MEDIUM.agents/daemons/pr-merge-conflict-repair/scripts/find-conflicted-pulls.ts:254Code-execution surface: a exec/spawn call site. The server can run commands on the host; review what it executes and whether any input reaches it.
Secrets & credentials25 findings
INFOtsdown.config.ts:69Reads a secret-shaped environment variable. Ordinary for a credentialed server; recorded for completeness.
INFOtests/unit/index.test.ts:20Reads a secret-shaped environment variable. Ordinary for a credentialed server; recorded for completeness.
INFOtests/unit/index.test.ts:23Reads a secret-shaped environment variable. Ordinary for a credentialed server; recorded for completeness.
INFOtests/unit/index.test.ts:29Reads a secret-shaped environment variable. Ordinary for a credentialed server; recorded for completeness.
INFOtests/unit/index.test.ts:32Reads a secret-shaped environment variable. Ordinary for a credentialed server; recorded for completeness.
INFOtests/unit/index.test.ts:38Reads a secret-shaped environment variable. Ordinary for a credentialed server; recorded for completeness.
+ 19 more in this check
Network calls out185 findings
MEDIUMtsdown.config.ts:49Hardcoded external endpoint 'tsdown.dev'. STATIC signal only: this flags a declared destination for human or dynamic-egress confirmation; it does NOT assert exfiltration.
MEDIUMtests/unit/index.test.ts:180Hardcoded external endpoint 'test'. STATIC signal only: this flags a declared destination for human or dynamic-egress confirmation; it does NOT assert exfiltration.
MEDIUMtests/unit/index.test.ts:243Hardcoded external endpoint 'api.example.com'. STATIC signal only: this flags a declared destination for human or dynamic-egress confirmation; it does NOT assert exfiltration.
MEDIUMtests/integration/hevy-mcp.integration.test.ts:26Hardcoded external endpoint 'api.hevyapp.com'. STATIC signal only: this flags a declared destination for human or dynamic-egress confirmation; it does NOT assert exfiltration.
MEDIUMscripts/openapi-spec.js:12Hardcoded external endpoint 'api.hevyapp.com'. STATIC signal only: this flags a declared destination for human or dynamic-egress confirmation; it does NOT assert exfiltration.
MEDIUMsrc/index.test.ts:118Hardcoded external endpoint 'api.hevyapp.com'. STATIC signal only: this flags a declared destination for human or dynamic-egress confirmation; it does NOT assert exfiltration.
+ 179 more in this check
Prompt-injection passthrough2 findings
INFOsrc/tools/templates.test.tsHEURISTIC: this file both fetches external content and returns content as tool output, with no obvious sanitization. External text returned into tool output can carry instructions an agent obeys (prompt-injection passthrough). Confirm manually; this is a hint, not proof.
INFOsrc/utils/error-handler.tsHEURISTIC: this file both fetches external content and returns content as tool output, with no obvious sanitization. External text returned into tool output can carry instructions an agent obeys (prompt-injection passthrough). Confirm manually; this is a hint, not proof.
Permission scope breadthno flags
How much access it asks for versus what its job needs.
How to read this: these are static checks over the source at a point in time. They catch the patterns above, not everything. Absence of a flag is not absence of danger, and a tool that runs cleanly can still behave differently once installed. We do not call any tool simply "safe". Runtime-behavior checks are the next layer we are adding.
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