mysql-readonly-mcp (IBeanCN/mysql-mcp-only-read) is an MCP server listed on the M8ven Trust Index. It scores 71 out of 100, grade C. It declares 3 tools. No publisher has claimed this listing.

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C
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71/100

mysql-readonly-mcp

A readonly MCP server for MySQL databases that ensures safety by whitelisting only SELECT, SHOW, DESCRIBE, and EXPLAIN statements, with table blacklist support and configurable limits.

→ IBeanCN/mysql-mcp-only-read· listed on glama

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Limited view: static analysis for Python is partially covered.

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Who stands behind it

IBeanCN

Source: Glama

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Glamanot scored here

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
✅
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: MYSQL_PASSWORD, MYSQL_SSL_KEY, MCP_BEARER_TOKEN
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.
configMYSQL_HOST"": "127.0.0.1",
configMYSQL_PORT"": "3306",
configMYSQL_USER"": "your_mysql_user",
🔐 secretMYSQL_PASSWORD"": "your_mysql_password",
configMYSQL_DATABASE"": "your_database_name",
configMYSQL_CONNECT_TIMEOUTNo 10 TCP connect timeout (seconds)
configMYSQL_READ_TIMEOUTNo 30 Socket read timeout (seconds)
configMYSQL_WRITE_TIMEOUTNo 30 Socket write timeout (seconds)
configMYSQL_MAX_EXECUTION_TIMENo 30000 Per-query server limit (milliseconds); SET SESSION MAX_EXECUTION_TIME
configMYSQL_SSL"": "false",
configMYSQL_SSL_CANo "" Path to CA certificate (when using TLS)
configMYSQL_SSL_CERTNo "" Path to client certificate
🔐 secretMYSQL_SSL_KEYNo "" Path to client private key
configMYSQL_SSL_VERIFY_CERTNo true Set "false" to skip server cert verification (not recommended)
configQUERY_DEFAULT_LIMIToptional timeouts / / TLS paths, and for SSE MCP_HOST /
configQUERY_TABLE_BLACKLISTTable blacklist: blocks data access via query; describe_table still works for schema on listed tables
configMCP_HOSToptional timeouts / QUERY_DEFAULT_LIMIT / TLS paths, and for SSE /
configMCP_PORT/ MCP_BEARER_TOKEN. It prints a complete mcp.json snippet (and for
🔐 secretMCP_BEARER_TOKENConfig: stdio — MySQL settings via mcp.json env; SSE — environment at process start, optional for HTTP auth
// 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

3/3 tools missing one or more hints — query (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_tables (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); describe_table (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.

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/ibeancn/mysql-mcp-only-read)](https://m8ven.ai/mcp/ibeancn/mysql-mcp-only-read)
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commit: 892b2d79fca9f643be6bed54a31cbc3e87174f52
code hash: df066da4b7f9ef3e9ced33bfe7fee06426a6db1b66a877706dfd18ea910eea95
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