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89/100
6 days ago

mcp-server

This is the official repo for the Harness MCP server

→ harness/mcp-server· listed on github_code

Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

Code Verified⚡ Live Monitored: not connected

Verified is a snapshot. Live keeps it current, and builds your track record.

⚡ Connect GitHub → continuous verification on every pushwhy connect →

Who stands behind it

harness

Source: github_code · also listed on Glama

Is this your MCP?

Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find. Or connect your repo for our deepest verification, Live Monitored: read-only, revoke anytime. What we access →

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Install from

GitHubGlama

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// key findings
🚨
Secret credentials may flow to a network call
1 flow detected: GITHUB_TOKEN. We can’t prove the destination matches the brand the credential belongs to.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configHARNESS_MCP_LOG_FILENo ~/.claude/harness-mcp.log File used for stdio disconnect/crash diagnostics when stderr may no longer be available
configHARNESS_SEARCH_MODEL
configHOST
configOTEL_EXPORTER_OTLP_ENDPOINTNo -- Enables OpenTelemetry audit spans when the optional OpenTelemetry packages are installed
configOTEL_RESOURCE_ATTRIBUTES
configOTEL_SERVICE_NAME
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployPORT
// quality suggestions

All four hints declared on every tool

7/11 tools missing one or more hints — harness_describe (missing: idempotentHint); harness_diagnose (missing: idempotentHint); harness_get (missing: idempotentHint), +4 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Secrets not logged

1 secret value sent to console.log

Redact or omit secret values from log output.

No arbitrary install scripts

Has postinstall/preinstall script — runs arbitrary code on npm install

Remove postinstall/preinstall hooks unless they’re essential.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/harness-mcp-server-1ih36y)](https://m8ven.ai/mcp/harness-mcp-server-1ih36y)
Shows your grade and updates automatically. Prefer no grade? Append ?variant=verified to the badge URL.
commit: 2d5c5a60a03023c4ee1a9209741e46076b16d13f
code hash: a2bba6133e650432d58fc5821415b72e9e054b51c75a574d1ddb1161cbdafe5d
verified: 8/14/2026, 9:57:19 AM
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