mcp-server (harness/mcp-server) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 11 tools. No publisher has claimed this listing.

Back to MCP Trust IndexM8ven
C
Emerging
74/100
2 months ago

mcp-server

Harness’ official MCP Server

→ harness/mcp-server· listed on glama

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

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Who stands behind it

harness

Source: Glama · also listed on github_code

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Install from

GlamaGitHub

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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.
🔐
You'll be asked for 1 credential: GITHUB_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// 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.
🔐 secretGITHUB_TOKEN
configHARNESS_ACCOUNT_IDNote: The account ID is auto-extracted from PAT and SAT tokens (pat.<accountId>... or sat.<accountId>...), so is only needed for API keys without an embedded account segment.
configHARNESS_BASE_URLmust use HTTPS by default. If you set a non-HTTPS URL (e.g. http://localhost:8080), the server will refuse to start with:
configHARNESS_MCP_LOG_FILENo ~/.claude/harness-mcp.log File used for stdio disconnect/crash diagnostics when stderr may no longer be available
configHARNESS_ORG
configHARNESS_PIPELINE_VERSION
configHARNESS_PROJECTNo -- Project ID. Used when project_id is not specified per tool call. Agents can also discover projects dynamically via harness_list(resource_type="project")
configHARNESS_READ_ONLYNo false Block all mutating operations (create, update, delete, execute). Only list and get are allowed. Useful for shared/demo environments
configHARNESS_TOOLSETSchaos,-ccm
configHOST
configOTEL_EXPORTER_OTLP_ENDPOINTNo -- Enables OpenTelemetry audit spans when the optional OpenTelemetry packages are installed
configOTEL_RESOURCE_ATTRIBUTES
configOTEL_SERVICE_NAME
// quality suggestions

All four hints declared on every tool

4/7 tools missing one or more hints — harness_describe (missing: idempotentHint); harness_diagnose (missing: idempotentHint); harness_get (missing: idempotentHint), +1 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.

Shell command execution

5 child_process calls — runs shell commands

Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.

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 2 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)](https://m8ven.ai/mcp/harness/mcp-server)
Shows your grade and updates automatically. Prefer no grade? Append ?variant=verified to the badge URL.
commit: 92cd444dcb8503b17d19cb301ab6623d4ffcba3f
code hash: 57ead1e942a8128b04f029da89f249cf60f4b33d61123f4980c90aa7e6498a5d
verified: 6/13/2026, 10:14:23 AM
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