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.
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.
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MCP_AUDIT_LOGread_audit_log MYSQL_MCP_READ_AUDIT_TOOL=true +MCP_DEBUGMCP_SCHEMA_OVERVIEW_MAX_TABLESMCP 50 Resource 展开表数上限MYSQL_CONNECTION_LIMITMYSQL_DATABASEyour_databaseMYSQL_DATABASE_ALLOWLIST库白名单 限制可见与可切换的库MYSQL_HOST连接 / PORT / USER / PASSWORD / DATABASE — 基本连接信息MYSQL_MAX_ROWS执行 100 单次最大返回行数MYSQL_MAX_SQL_LENGTH执行 102400 单条 SQL 最大长度MYSQL_MCP_CONNECTION_IDMYSQL_MCP_EXTRA_CONNECTIONS多连接 — JSON 数组额外 DSNMYSQL_PASSWORDyour_passwordMYSQL_PORT"": "3306",MYSQL_QUERY_TIMEOUT执行 30000 查询超时(ms)MYSQL_QUEUE_LIMITMYSQL_READONLY只读双保险 =true 时工具层拒绝写入 + 连接池 SET SESSION transaction_read_only = 1MYSQL_RETRY_COUNTMYSQL_RETRY_DELAY_MSMYSQL_SSL_CAMYSQL_SSL_CERTMYSQL_SSL_KEYMYSQL_TIMEOUTMYSQL_USER"": "root",MYSQL_CONNECTION_STRINGMYSQL_URLTool 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.
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