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Microsoft SQL Server

Local package path declaredNo credentials listedRepository declared by sourceUpdated 2026-09-15

io.github.alyiox/mcp-mssql · Registry status: active

Report data on this entry

At a glance

Read-only-by-default SQL Server: schema, parameterized SELECT, execution plans; writes opt-in.

Vendor's own description, untranslated and unverified

Execution location
Local package path declaredMCP-Register · 2026-08-06
Required secrets declared
No credentials listedMCP-Register · 2026-08-06
Declared version and change
1.6.1 · Source-reported change date 2026-09-15MCP-Register · 2026-09-16
Repository as declared
github.com/alyiox/mcp-mssqlMCP-Register · 2026-08-06
Configuration
cannot be built: no disclosed start template

Inspect connection paths and prerequisites

Related categories

6 of 9 categories. All categories in the segment catalogue

Page last changed:

Sources and collection
Runs
Local package path declared
Credentials
No credentials listed
Registry record changed
2026-09-15
Setup
No template in the registry
Registry name
io.github.alyiox/mcp-mssql
Package coordinate
nuget:Alyio.McpMssql
Declared version
1.6.1
Source-reported listing date
2026-09-15
Source-reported change date
2026-09-15
First seen by tracevero
2026-08-06
Vendor's website
https://github.com/alyiox/mcp-mssql

Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin. What the confidence levels mean

Measured values

Measured values
Required secrets declaredNo credentials listed no
Original data – Required secret variables (raw): confirmed absent
Original data – Required secret headers (raw): confirmed absent
Source: MCP-Register · collected on 2026-08-06 · derived
Execution locationLocal package path declared local
Original data – Transports (raw): stdio
Source: MCP-Register · collected on 2026-08-06 · derived
Path argument presentno
Original data – Path arguments (raw): confirmed absent
Original data – Path environment variables (raw): confirmed absent
Source: MCP-Register · collected on 2026-08-06 · derived
Repository URL listedRepository declared by source yes
Original data – Repository (raw): https://github.com/alyiox/mcp-mssql
Source: MCP-Register · collected on 2026-08-06 · derived
Field of use, derived from the vendor descriptionDatabases
Original data – Description (raw): Read-only-by-default SQL Server: schema, parameterized SELECT, execution plans; writes opt-in.
Source: MCP-Register · collected on 2026-08-26 · derived
Declared version1.6.1
Source: MCP-Register · collected on 2026-09-16 · self-declared

What is measured is what a manifest declares, not what a piece of software does. This registry fetches no repository URL, no endpoint and no package index; nothing here is verified. Which value comes from which source, and by which rule it was formed, is set out in the Methodology.

Source data25

Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin.

Raw values
Description (raw)Read-only-by-default SQL Server: schema, parameterized SELECT, execution plans; writes opt-in.
Source: MCP-Register · collected on 2026-09-16 · self-declared
Environment variables (raw)MCPMSSQL_CONNECTION_STRING, MCPMSSQL_DESCRIPTION, MCPMSSQL_QUERY_MAX_ROWS, MCPMSSQL_QUERY_COMMAND_TIMEOUT_SECONDS, MCPMSSQL_QUERY_SNAPSHOT_MAX_ROWS, MCPMSSQL_QUERY_SNAPSHOT_COMMAND_TIMEOUT_SECONDS, MCPMSSQL_ANALYZE_COMMAND_TIMEOUT_SECONDS, MCPMSSQL_ALLOW_WRITE, MCPMSSQL_WRITE_COMMAND_TIMEOUT_SECONDS, DOTNET_ENVIRONMENT
Source: MCP-Register · collected on 2026-08-06 · self-declared
Required secret variables (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-06 · self-declared
Transports (raw)stdio
Source: MCP-Register · collected on 2026-08-06 · self-declared
Path arguments (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-06 · self-declared
Repository (raw)https://github.com/alyiox/mcp-mssql
Source: MCP-Register · collected on 2026-08-06 · self-declared
Package registries (raw)nuget
Source: MCP-Register · collected on 2026-08-06 · self-declared
Required secret headers (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
Path environment variables (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
Remote URLs (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
Remote hosts (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
Registry status message (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
First listed in the registry (raw)2026-09-15
Source: MCP-Register · collected on 2026-09-16 · self-declared
Last changed in the registry (raw)2026-09-15
Source: MCP-Register · collected on 2026-09-16 · self-declared
Schema version of the raw record (raw)https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json
Source: MCP-Register · collected on 2026-08-16 · self-declared
Delivery form (raw)package
Source: MCP-Register · collected on 2026-08-16 · self-declared
Repository platform (raw)github
Source: MCP-Register · collected on 2026-08-16 · self-declared
Repository subfolder (raw)src/Alyio.McpMssql
Source: MCP-Register · collected on 2026-08-16 · self-declared
Package identifiers (raw)Alyio.McpMssql
Source: MCP-Register · collected on 2026-08-16 · self-declared
Package versions (raw)1.6.1
Source: MCP-Register · collected on 2026-09-16 · self-declared
Runtime hints (raw)dnx
Source: MCP-Register · collected on 2026-08-16 · self-declared
Environment variable formats (raw)boolean, number, string
Source: MCP-Register · collected on 2026-08-16 · self-declared
Environment variable descriptions (raw)DOTNET_ENVIRONMENT=Set to Development to load dotnet user-secrets (local dev). · MCPMSSQL_ALLOW_WRITE=Enable write commands (DDL/DML) via run_command on the default profile (default false). With no write-enabled profile the tool is not advertised at all. Soft guard only — prefer a db_datareader login for a hard read-only guarantee. · MCPMSSQL_ANALYZE_COMMAND_TIMEOUT_SECONDS=Execution plan analysis timeout in seconds (default 300; ceiling 600). · MCPMSSQL_CONNECTION_STRING=Default profile SQL Server connection string (often contains secrets). Optional if profiles are only in user appsettings. · MCPMSSQL_DESCRIPTION=Optional human-readable description for the default profile. · MCPMSSQL_QUERY_COMMAND_TIMEOUT_SECONDS=Interactive query command timeout in seconds (default 30). · MCPMSSQL_QUERY_MAX_ROWS=Max rows per interactive query (default 500; ceiling 1000). · MCPMSSQL_QUERY_SNAPSHOT_COMMAND_TIMEOUT_SECONDS=Snapshot query timeout in seconds (default 120). · MCPMSSQL_QUERY_SNAPSHOT_MAX_ROWS=Max rows for snapshot queries (default 10000; ceiling 50000). · MCPMSSQL_WRITE_COMMAND_TIMEOUT_SECONDS=Write command timeout in seconds (default 60; ceiling 600).
Source: MCP-Register · collected on 2026-09-16 · self-declared
Icon formats (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
Connection paths (source structure){"packages":[{"registryType":"nuget","identifier":"Alyio.McpMssql","version":"1.6.1","runtimeHint":"dnx","transport":"stdio","environment":[{"name":"MCPMSSQL_CONNECTION_STRING","description":"Default profile SQL Server connection string (often contains secrets). Optional if profiles are only in user appsettings.","format":"string","required":false,"secret":true},{"name":"MCPMSSQL_DESCRIPTION","description":"Optional human-readable description for the default profile.","format":"string","required":false,"secret":false},{"name":"MCPMSSQL_QUERY_MAX_ROWS","description":"Max rows per interactive query (default 500; ceiling 1000).","format":"number","required":false,"secret":false},{"name":"MCPMSSQL_QUERY_COMMAND_TIMEOUT_SECONDS","description":"Interactive query command timeout in seconds (default 30).","format":"number","required":false,"secret":false},{"name":"MCPMSSQL_QUERY_SNAPSHOT_MAX_ROWS","description":"Max rows for snapshot queries (default 10000; ceiling 50000).","format":"number","required":false,"secret":false},{"name":"MCPMSSQL_QUERY_SNAPSHOT_COMMAND_TIMEOUT_SECONDS","description":"Snapshot query timeout in seconds (default 120).","format":"number","required":false,"secret":false},{"name":"MCPMSSQL_ANALYZE_COMMAND_TIMEOUT_SECONDS","description":"Execution plan analysis timeout in seconds (default 300; ceiling 600).","format":"number","required":false,"secret":false},{"name":"MCPMSSQL_ALLOW_WRITE","description":"Enable write commands (DDL/DML) via run_command on the default profile (default false). With no write-enabled profile the tool is not advertised at all. Soft guard only — prefer a db_datareader login for a hard read-only guarantee.","format":"boolean","required":false,"secret":false},{"name":"MCPMSSQL_WRITE_COMMAND_TIMEOUT_SECONDS","description":"Write command timeout in seconds (default 60; ceiling 600).","format":"number","required":false,"secret":false},{"name":"DOTNET_ENVIRONMENT","description":"Set to Development to load dotnet user-secrets (local dev).","format":"string","required":false,"secret":false}],"additional_arguments_declared":false}],"remotes":[]}
Source: MCP-Register · collected on 2026-09-16 · self-declared
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Changes

Changes
2026-09-16Declared version: 1.5.0 → 1.6.1
2026-09-16Description (raw): Read-only-by-default SQL Server: execution plans, parameterized SELECT, metadata, opt-in writes. → Read-only-by-default SQL Server: schema, parameterized SELECT, execution plans; writes opt-in.
2026-09-16Last changed in the registry (raw): 2026-09-14 → 2026-09-15

These are the 3 most recent changes to this entry. Full history

tracevero · https://tracevero.com/mcp/io-github-alyiox-mcp-mssql