echo (palemoky/echo) 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
Warning
74/100

echo

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Warning. Serious findings were identified. Review the full report before connecting. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

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Who stands behind it

palemoky

Source: github_repo_search

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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
🚨
Code appears obfuscated
1 file are unreadable to a human reviewer. Cannot audit what they do.
🔐
You'll be asked for 5 credentials: ECHO_WEB_PASSWORD, ECHO_EMBED_API_KEY, OPENAI_API_KEY, ECHO_API_KEY, YOUTUBE_API_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.
🔐 secretECHO_WEB_PASSWORD安全说明:网页界面没有登录系统,默认只监听 127.0.0.1,并拒绝跨站请求和非本机 Host(防止恶意网页或 DNS 重绑定调用你的本地服务)。如需在局域网中使用,请设置 (启用 HTTP Basic 认证)和 ECHO_WEB_ALLOWED_HOSTS,再以 --host 0.0.0.0 启动。
configECHO_LANGUAGE
configOLLAMA_BASE_URL
🔐 secretECHO_EMBED_API_KEY
🔐 secretOPENAI_API_KEYgpt-5-mini
configECHO_EMBED_BASE_URL
configECHO_EMBEDDER
configECHO_EMBED_MODEL
configECHO_PROVIDER
configECHO_MODELECHO_API_KEY + ECHO_BASE_URL
configECHO_BASE_URLECHO_API_KEY + ECHO_BASE_URL
🔐 secretECHO_API_KEYECHO_API_KEY + ECHO_BASE_URL
configECHO_HOME
configECHO_MEMORY_INFERmem0:快照摘要和趋势结论写入 mem0(同一个 pgvector 库 + bge-m3);ask 回答时会自动检索相关历史记忆。默认原文存储(结论本身已是 LLM 生成的摘要),设置 =true 可改由 mem0 抽取并合并事实;ECHO_MEMORY=off 关闭
configECHO_MEMORYmem0:快照摘要和趋势结论写入 mem0(同一个 pgvector 库 + bge-m3);ask 回答时会自动检索相关历史记忆。默认原文存储(结论本身已是 LLM 生成的摘要),设置 ECHO_MEMORY_INFER=true 可改由 mem0 抽取并合并事实;=off 关闭
configBILIBILI_COOKIE评论 + 弹幕。账号:space.bilibili.com/<mid>,列出全部视频需要登录 Cookie(BILIBILI_COOKIE,含 SESSDATA)
🔐 secretYOUTUBE_API_KEY
configECHO_WEB_ALLOWED_HOSTS安全说明:网页界面没有登录系统,默认只监听 127.0.0.1,并拒绝跨站请求和非本机 Host(防止恶意网页或 DNS 重绑定调用你的本地服务)。如需在局域网中使用,请设置 ECHO_WEB_PASSWORD(启用 HTTP Basic 认证)和 ,再以 --host 0.0.0.0 启动。
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployDATABASE_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 — list_platforms (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); fetch_comments (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); analyze_comments (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.

Tool test coverage

4/10 tools referenced in tests (40%)

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

No eval / new Function

2 eval() or new Function() calls — dynamic code execution

Replace eval / Function with explicit parsing or safer alternatives.

Readable source code

1 file are minified or bundled, which is usually build output rather than concealment

Ship unminified, readable source.

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.
// embed badge in your README
[![M8ven Verified](https://m8ven.ai/badge/mcp/palemoky/echo?variant=verified)](https://m8ven.ai/mcp/palemoky/echo)
Shows verification status without the grade. Want the grade badge instead? Remove ?variant=verified from the URL.
commit: e31bc99f4aadd969fe2657a673ea0116b156cfea
code hash: 0ae5c6c540d8e9fe2ae467b5e2a45b54911f5240e42a27db7d473b94d9857b31
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