agent-auth (ex-nihilo-labs/agent-auth) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 3 tools. No publisher has claimed this listing.

C
Emerging
74/100
2 months ago

agent-auth

Zero-knowledge credential injection for AI agents. Your agent authenticates to websites and APIs without ever seeing a password, TOTP code, or API key.

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

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Who stands behind it

ex-nihilo-labs

Source: Glama

Is this your MCP?

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// key findings
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 3 credentials: AGENT_AUTH_PUSHOVER_TOKEN, PUSHOVER_APP_TOKEN, PUSHOVER_USER_KEY
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.
configAGENT_AUTH_CONFIG_DIR
configAGENT_AUTH_NO_KEYCHAINSkip OS keychain, use file-only key storage false
configAGENT_AUTH_PASSPHRASEThe passphrase is read from your OS keychain automatically (stored during init). For development, you can set in the env block instead.
🔐 secretAGENT_AUTH_PUSHOVER_TOKENPushover app token for approval notifications (approval disabled)
configAGENT_AUTH_PUSHOVER_USERPushover user key (approval disabled)
configDISPLAY
🔐 secretPUSHOVER_APP_TOKEN
🔐 secretPUSHOVER_USER_KEY
configWSL_DISTRO_NAME
// quality suggestions

Dependencies

6 dependencies, 1 flagged: playwright-core

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

3/3 tools missing one or more hints — secure_login (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_credentials (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); auth_api (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint). 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.

Tool inputs are validated

2/3 tool handlers declare input schemas (67%)

Declare an inputSchema with zod/joi/yup on every tool definition.

Tool handlers catch errors

2/3 tool handlers wrap calls in try/catch (67%)

Wrap each tool handler body in try/catch and return a structured error response.

Tool test coverage

Only 0/3 tools referenced in tests (0%)

Write tests that reference each tool by name so every tool has at least one test.

Shell command execution

3 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 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
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[![M8ven Score](https://m8ven.ai/badge/mcp/ex-nihilo-labs/agent-auth)](https://m8ven.ai/mcp/ex-nihilo-labs/agent-auth)
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commit: 35f1290147ea81bba347482c43b44fef2a128c5d
code hash: 0c8383edf0d555c830618ffeaa311259c8579d5cfff72f4f7b0caaa26ec27eb2
verified: 6/21/2026, 10:12:43 AM
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