MySQL MCP Server (yclenove/mysql-mcp-server) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 23 tools. No publisher has claimed this listing.

C
Emerging
74/100
25 days ago

MySQL MCP Server

Enables safe querying and optional writing to MySQL databases via MCP tools, with support for schema inspection, connection management, and read-only mode.

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

yclenove

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 2 credentials: MYSQL_PASSWORD, MYSQL_SSL_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.
configMCP_AUDIT_LOGread_audit_log MYSQL_MCP_READ_AUDIT_TOOL=true +
configMCP_DEBUG
configMCP_SCHEMA_OVERVIEW_MAX_TABLESMCP 50 Resource 展开表数上限
configMYSQL_CONNECTION_LIMIT
configMYSQL_DATABASEyour_database
configMYSQL_DATABASE_ALLOWLIST库白名单 限制可见与可切换的库
configMYSQL_HOST连接 / PORT / USER / PASSWORD / DATABASE — 基本连接信息
configMYSQL_MAX_ROWS执行 100 单次最大返回行数
configMYSQL_MAX_SQL_LENGTH执行 102400 单条 SQL 最大长度
configMYSQL_MCP_CONNECTION_ID
configMYSQL_MCP_EXTRA_CONNECTIONS多连接 — JSON 数组额外 DSN
🔐 secretMYSQL_PASSWORDyour_password
configMYSQL_PORT"": "3306",
configMYSQL_QUERY_TIMEOUT执行 30000 查询超时(ms)
configMYSQL_QUEUE_LIMIT
configMYSQL_READONLY只读双保险 =true 时工具层拒绝写入 + 连接池 SET SESSION transaction_read_only = 1
configMYSQL_RETRY_COUNT
configMYSQL_RETRY_DELAY_MS
configMYSQL_SSL_CA
configMYSQL_SSL_CERT
🔐 secretMYSQL_SSL_KEY
configMYSQL_TIMEOUT
configMYSQL_USER"": "root",
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployMYSQL_CONNECTION_STRING
deployMYSQL_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

23/23 tools missing one or more hints — batch_execute (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); batch_insert (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_connections (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +20 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 inputs are validated

17/23 tool handlers declare input schemas (74%)

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

Tests exist

No test files found

Add tests that exercise each declared tool.

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 4 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/yclenove/mysql-mcp-server)](https://m8ven.ai/mcp/yclenove/mysql-mcp-server)
Shows your grade and updates automatically. Prefer no grade? Append ?variant=verified to the badge URL.
commit: 50c4e79ef35e7b00f301f82c0034488c6b350fef
code hash: dbdd89a0403c6842988ee41e01def5e34e08da8a822ca176aec892c2255a7c69
verified: 8/16/2026, 5:49:25 PM
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