Clerk Chat MCP Server (williamjonathanbowen/clerk-chat-mcp) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 10 tools. No publisher has claimed this listing.

C
Caution
74/100

Clerk Chat MCP Server

Enables autonomous prompt improvement for voice AI agents through feedback analysis, test generation, and iterative testing.

Caution. Specific findings reduced this grade. They are listed on the page. 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

williamjonathanbowen

Source: Glama

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Install from

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
⚠️
Known vulnerabilities in dependencies: 1 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
// tools this server exposes10 tools

These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.

save_improvement_run

Save a complete improvement cycle with prompts, analysis, and test results for a specific company

save_draft_prompt

Save a draft prompt to the database for a specific company for later use in testing. Returns a prompt_id that can be used with run_tests.

get_draft_prompt

Retrieve a previously saved draft prompt by ID for a specific company

list_draft_prompts

List all saved draft prompts for a specific company

list_skills

List all available skills

list_test_cases

List all test cases in the database for a specific company

create_test_case

Create a new test case in the database for a specific company

run_tests

Run regression tests against a system prompt with real LLM evaluation for a specific company. Use prompt_id (from save_draft_prompt) for faster performance, or system_prompt for direct text.

list_tools

List all available tools for a company. Use this when generating tests to know what tool calls are possible.

get_tool

Get details of a specific tool by ID

// known CVEs in dependencies1 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.25.3GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// 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.
configCLERK_CHAT_API_BASE_URL
// quality suggestions

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

10/10 tools missing one or more hints — save_improvement_run (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); save_draft_prompt (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_draft_prompt (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +7 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.

License file

No license file

Add a LICENSE file (MIT, Apache-2.0, etc.).

Tests exist

No test files found

Add tests that exercise each declared tool.

Production dependencies are patched

0 critical, 1 high severity in production deps — @modelcontextprotocol/sdk@1.25.3 (high)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

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 5 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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commit: 19a52b141b66e71333cec2c58d1d2025de9cf844
code hash: 6bf60347088bb4403f72b935ee87012255aa2f0831cd79e1ed25212e7e97514d
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