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neosql-mcp

Lleva las herramientas de base de datos de NeoSQL Desktop a tu host MCP (Claude Code, Codex, …) mediante npx.

npm version license node

neosql-mcp es un servidor MCP stdio local que permite a los hosts MCP usar las herramientas de NeoSQL Desktop a través de npx.

No es un servidor de base de datos independiente, ni una CLI de base de datos, ni un reemplazo de NeoSQL Desktop. El paquete se ejecuta dentro del árbol de procesos del host MCP, expone las herramientas de NeoSQL a través de stdio MCP estándar y delega el trabajo de base de datos/interfaz de usuario a una aplicación NeoSQL Desktop en ejecución mediante JSON-RPC sobre HTTP en un socket de dominio Unix de macOS o una named pipe de Windows.

[MCP host] -- stdio MCP --> [neosql-mcp]
  -- JSON-RPC over HTTP on UDS/Named Pipe --> [NeoSQL Desktop]

¿Por qué neosql-mcp?

  • Los asistentes de codificación con IA escriben mejor código cuando pueden leer tu esquema real y ejecutar consultas reales, en lugar de adivinar nombres de columnas y formas de tablas. neosql-mcp expone la base de datos que tu equipo ya configuró en NeoSQL Desktop a cualquier host MCP.

  • Una instancia de NeoSQL Desktop en ejecución, un comando npx: Claude Code, Codex y cualquier otro host MCP pueden usar las conexiones y los esquemas ya configurados en NeoSQL Desktop. Sin configuración por host, y las credenciales nunca salen de NeoSQL Desktop.

Related MCP server: database-remote-mcp

Seguridad

Todo el tráfico permanece en la máquina local a través de un socket de dominio Unix (macOS) o una named pipe (Windows). No se abren puertos TCP y el endpoint ascendente no se puede sobrescribir mediante variables de entorno ni archivos de configuración. El alcance del acceso a la base de datos sigue la configuración de conexión de NeoSQL Desktop: las credenciales y los permisos por conexión no se duplican aquí.

Requisitos previos

  • Node.js 20 o posterior.

  • NeoSQL Desktop instalado en la misma máquina.

  • Un host MCP que pueda lanzar servidores stdio, como Claude Code o Codex.

  • Un proyecto de NeoSQL con conexiones y esquemas de base de datos habilitados para MCP.

Inicio rápido

No se requiere instalación global. Configura tu host MCP para ejecutar el paquete con npx.

npx -y neosql-mcp

El proceso es un servidor MCP stdio, por lo que ejecutar el comando directamente en una terminal puede parecer que está esperando entrada. Eso es lo esperado.

Configuración del host MCP

Claude Code .mcp.json

{
  "mcpServers": {
    "neosql": {
      "command": "npx",
      "args": ["-y", "neosql-mcp"]
    }
  }
}

Codex config.toml

[mcp_servers.neosql]
command = "npx"
args = [
  "-y",
  "neosql-mcp",
]

Opciones de CLI

Opción

Descripción

--profile=<prod|dev|local|stage>

Se conecta al perfil de NeoSQL Desktop correspondiente.

Usa la forma --key=value en la configuración del host MCP. Las formas separadas por espacios, como --profile dev, no son compatibles a propósito. El perfil predeterminado es prod.

Resolución de contexto

Las herramientas de NeoSQL siempre usan el proyecto seleccionado actualmente y completamente cargado en NeoSQL Desktop. El proceso de Node no almacena un proyecto ni una coordenada de base de datos predeterminada.

Las herramientas de base de datos aceptan coordenadas de una de dos formas:

  1. Omite connectionId, database y schema juntos para usar el Default del proyecto activo seleccionado en el Control de acceso MCP de NeoSQL.

  2. Pasa los tres valores juntos para usar una coordenada explícita habilitada para MCP devuelta por list-connections. Usa database: null para DBMS sin jerarquía de bases de datos.

Pasar solo uno o dos campos de coordenada no es válido. Las coordenadas explícitas nunca recurren al Default del proyecto cuando no son válidas.

Herramientas que aceptan la tupla de coordenadas explícitas completa:

  • list-tables

  • get-table-details

  • erd-create-tables

  • erd-modify-tables

  • execute-query

Herramientas disponibles

Herramienta

Propósito

ping

Devuelve pong para una comprobación de salud MCP ligera.

get-mcp-session-id

Herramienta de diagnóstico que devuelve el id de sesión upstream usado por este proceso.

list-connections

Enumera las conexiones y los esquemas de NeoSQL habilitados para MCP del proyecto actual.

list-tables

Enumera las tablas usando el Default del proyecto o una coordenada explícita.

get-table-details

Devuelve columnas, claves, índices y metadatos de tablas relacionados.

get-context-help

Explica el uso del Default del proyecto activo y de las coordenadas explícitas.

erd-create-tables

Añade tablas virtuales a un ERD sin modificar la base de datos.

erd-modify-tables

Modifica modelos de tablas ERD virtuales sin modificar la base de datos.

execute-query

Ejecuta SQL, incluido DDL, usando el Default o una coordenada explícita.

Transporte

neosql-mcp se comunica con NeoSQL Desktop a través de un endpoint local determinista:

  • macOS: path.join(os.tmpdir(), 'neosql-mcp.sock')

  • Windows: \\.\pipe\neosql-mcp

Solución de problemas

NeoSQL Desktop was not found

Instala NeoSQL Desktop primero. En macOS, neosql-mcp actualmente comprueba primero las ubicaciones estándar /Applications y ~/Applications. Si la aplicación no se encuentra allí, recurre a la ruta de la aplicación registrada por NeoSQL Desktop en ~/.neosql/mcp-config.json después de que la aplicación se haya lanzado al menos una vez. En Windows, comprueba la entrada de registro de desinstalación de NSIS por usuario en HKCU.

NeoSQL Desktop is not running

Inicia NeoSQL Desktop, espera a que termine de cargar y vuelve a ejecutar la herramienta. Cuando sea posible, neosql-mcp solicita la activación de la aplicación a nivel de sistema operativo antes de devolver este estado.

NeoSQL Desktop did not respond

La aplicación puede estar aún iniciándose o bloqueada. Espera un momento y reintenta, o reinicia NeoSQL Desktop.

Las herramientas sensibles al contexto fallan

Selecciona un proyecto en NeoSQL Desktop y configura un Default habilitado en el Control de acceso MCP. Para usar otra coordenada, ejecuta list-connections y pasa sus valores connectionId, databaseName y schemaName juntos como connectionId, database y schema.

npx no puede encontrar o ejecutar el paquete

Comprueba que el host MCP puede acceder a npx y que Node.js es 20 o posterior.

Desarrollo

npm ci
npm run build
npm test

Para probar con un host MCP local, compila y enlaza el binario:

npm run build
npm link
ls -la $(which neosql-mcp)

Cuando termines las pruebas locales, desenlázalo para que los comandos directos de neosql-mcp ya no usen la compilación del espacio de trabajo:

npm unlink -g neosql-mcp

Available Tools

10 tools
createTablescreateTablesA

Create one or more new tables in the NeoSQL application. Pass multiple table definitions to create them in a single call. Each definition may include columns, primary keys, foreign keys, indexes, and table-level constraints (UNIQUE / CHECK / EXCLUSION). Tables that fail (e.g. duplicates) are skipped and reported; successfully created tables are added to the ERD. Uses the current context (project/connection).

ParametersJSON Schema
NameRequiredDescriptionDefault
tableDefinitionsYesList of table definitions to create (e.g. [{name, remarks, columns, primaryKeys, ...}])
connectionIdNoNeoSQL connection ID from listConnections. If omitted, uses current context connectionId.
schemaNoMCP-enabled database schema name from listConnections. If omitted, uses current context schema.

TDQS

A3.9/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided; description covers batch creation, failure skipping, and ERD updates, but does not disclose destructive nature, permissions, or rollback behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Efficient, front-loaded sentences with no unnecessary words; every sentence adds value.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers batch creation, failure, and context, but misses return value description and deeper error handling, which is important given no output schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so description adds minimal per-parameter meaning; the batch and failure reporting context is helpful but not substantial beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Create one or more new tables' with specific verb and resource, distinguishing it from sibling tools like modifyTables or listTables.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains batch creation, failure handling, and context usage, but lacks explicit guidance on when to use versus alternatives like modifyTables or executeQuery.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

executeQueryexecuteQueryA

Execute a SQL query on the database through NeoSQL. Supports SELECT, INSERT, UPDATE, DELETE, and EXPLAIN statements. DDL statements (CREATE, ALTER, DROP, TRUNCATE) are NOT allowed — use createTables or modifyTables tools instead. SELECT and EXPLAIN return result rows (up to 200 rows). Uses the current context (project/connection/schema).

ParametersJSON Schema
NameRequiredDescriptionDefault
sqlYesThe SQL statement to execute. Must not be DDL (CREATE/ALTER/DROP/TRUNCATE).
connectionIdNoNeoSQL connection ID from listConnections. If omitted, uses current context connectionId.
schemaNoMCP-enabled database schema name from listConnections. If omitted, uses current context schema.

TDQS

A4.6/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided, so description covers key behaviors: supported statements, DDL exclusion, row limit for SELECT/EXPLAIN, and context usage. Could be more explicit about side effects of write operations, but overall transparent.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Four well-structured sentences, each adding value. Purpose stated first. No redundant or unnecessary information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers return behavior (up to 200 rows for SELECT/EXPLAIN), parameter context, and sibling tools. Lacks explicit statement that INSERT/UPDATE/DELETE return no rows, but implied. Good overall.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with clear descriptions for each parameter. Description adds context about 'current context' for connectionId and schema, which is not in schema alone.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states the verb 'execute', resource 'SQL query on database', and specific supported statement types (SELECT, INSERT, UPDATE, DELETE, EXPLAIN). It explicitly distinguishes from sibling tools by disallowing DDL and referencing createTables/modifyTables.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit guidance on when to use (for DML and SELECT/EXPLAIN) and when not (DDL). Names alternatives (createTables, modifyTables) and explains context usage.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

generateCodegenerateCodeB

Generate source code from a database table using a template pack. Uses the current context (project/connection/schema) for database connection. Returns generated file contents based on the specified template.

ParametersJSON Schema
NameRequiredDescriptionDefault
tableNameYesTable name to generate code for
templatePackIdYesTemplate pack ID to use for code generation
schemaNoDatabase schema name. If omitted, uses current context schema.

TDQS

B3.3/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided, so description must disclose all behavioral traits. Does not state whether tool is read-only, has side effects (e.g., writing files), error behavior (e.g., missing table), or required permissions. Only states it returns file contents.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three focused sentences: purpose, context requirement, output. No redundant words, information is front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers purpose, context, and return type, but lacks details on error conditions, valid template packs, prerequisite setup for context, and return format specifics. Adequate for a simple tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema has 100% parameter description coverage, so baseline is 3. Description adds context about schema omission using current context, but does not elaborate on tableName or templatePackId beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states verb 'generate source code' and resource 'from a database table using a template pack'. It distinguishes from siblings like createTables (table creation vs code generation) though not explicitly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Implied usage: use when generating code from a table. Mentions current context for connection, but no explicit when-not-to-use or alternatives among siblings.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

getContextHelpgetContextHelpA

Get information about how to find project and connection IDs. NeoSQL project and connection information is managed by the NeoSQL application (UI). Use listConnections to discover MCP-enabled connectionId/schema pairs. Set stable defaults with CLI options and pass connectionId/schema per tool call when needed.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.7/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full disclosure burden. It accurately describes the tool as providing information, which is clearly non-destructive. While it lacks explicit safety notes, the simplicity of the tool (no params, no mutations) makes this sufficient.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is two sentences with no wasted words. It front-loads the core purpose ('Get information...') and efficiently adds contextual guidance about related tools and configuration, making every sentence earn its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's simplicity (no parameters, no output schema), the description is complete. It explains its purpose, suggests when to use siblings, and provides practical advice for managing IDs. No additional information is needed.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There are no parameters, so the baseline is 4. The description adds value beyond the empty schema by explaining what the tool returns and how it fits into the larger workflow, though it doesn't need to document non-existent parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Get information about how to find project and connection IDs,' which is a specific verb and resource. It distinguishes itself from siblings like listConnections (which discovers MCP-enabled pairs) by focusing on informational guidance rather than executing queries or modifications.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit when-to-use context (finding project/connection IDs) and references an alternative tool (listConnections) for discovering MCP-enabled pairs. It also advises on setting defaults and passing IDs per tool call, covering both usage scenarios and best practices.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

getMcpSessionIdgetMcpSessionIdD

Get Mcp-Session-Id

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

D1.4/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided. Description fails to disclose behavioral traits such as side effects, authentication requirements, or idempotency. 'Get' implies read-only, but no confirmation or details.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness2/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Extremely short but wasteful; it merely restates the name. Conciseness should provide value, not redundancy. Could include a brief explanation in the same length.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a tool with no parameters and no output schema, the description must fully explain its purpose and return value. 'Get Mcp-Session-Id' is insufficient—it does not define what the session ID represents or how it is used.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

No parameters in schema (100% coverage by default). Description adds no parameter-level insight, but given zero parameters, there is no information gap. Baseline 4 is not warranted because description does not proactively clarify anything.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description 'Get Mcp-Session-Id' is a tautology of the tool name. It does not specify the resource or action beyond what the name already implies, providing no additional clarity.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this tool versus siblings (e.g., listConnections, ping). The description lacks context for appropriate invocation scenarios.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

getTableDetailsgetTableDetailsA

Get detailed information about one or more tables including columns, indexes, primary keys, and foreign keys. Pass multiple table names to retrieve details in a single call. Uses the current context (project/connection/schema) if schema parameter is not specified.

ParametersJSON Schema
NameRequiredDescriptionDefault
tableNamesYesList of table names to get details for (e.g. ["users", "orders", "products"])
connectionIdNoNeoSQL connection ID from listConnections. If omitted, uses current context connectionId.
schemaNoMCP-enabled database schema name from listConnections. If omitted, uses current context schema.

TDQS

A4.2/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations exist, so the description must disclose behavior. It mentions that schema/connection falls back to current context, which is helpful. It does not mention error handling, permissions, or performance implications, but for a read-only query tool, the level is acceptable.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, no redundancy. information is front-loaded and each sentence adds new, useful information. Perfectly concise.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With only 3 parameters, one required, and no output schema, the description sufficiently explains the tool's purpose and usage scope. It covers the return types (columns, indexes, etc.) and context inheritance, leaving little ambiguity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 100% coverage, so baseline is 3. The description adds meaningful context beyond the schema: the ability to pass multiple table names and the fallback behavior for connectionId/schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it retrieves detailed information about tables (columns, indexes, primary keys, foreign keys) and supports multiple tables in one call. This distinguishes it from sibling tools like listTables (which likely lists only names).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description tells when to use the tool (to get detailed table info), implies context usage, and indirectly suggests that listTables is for simpler listings. However, it does not explicitly exclude cases like schema inspection vs. data retrieval.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

listConnectionslistConnectionsA

List database connections that have MCP access enabled in the current NeoSQL project. Only connections (and schemas) that the user opted-in via the connection MCP tab are returned. Use this to discover which connectionId / schema values you can pass to other tools. Each connection entry includes id, name, description, dataSource (DBMS family), dbVersion (database product version, useful for dialect-version features), the per-user profile (envPreset such as local/dev/staging/prod, label, protection), and the list of MCP-enabled schemas with their per-schema policies (ddlExecute / autoCommit).

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description fully discloses that only MCP-enabled connections are returned and details each entry's fields. It is transparent about the per-user profile and per-schema policies, but could mention if any restrictions or pagination exist.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise with two sentences. It front-loads the main action and then elaborates on the content, making it easy to read.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no parameters or output schema, the description provides all necessary context: purpose, filter, returned fields. It is fully complete for an agent to decide and invoke the tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool has no parameters (100% schema coverage), so no parameter documentation is needed. The description adds no parameter info, which is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool lists database connections with MCP access enabled in the current NeoSQL project. It specifies the filter (only opted-in connections) and lists what each entry includes, distinguishing it from siblings like listTables.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly advises to use this tool to discover connectionId and schema values for other tools, providing clear guidance on when to use it. However, it does not mention alternative tools or when not to use it.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

listTableslistTablesA

List all tables and views in a database schema. Returns table names, types (TABLE/VIEW), and comments. Uses the current context (project/connection/schema) if parameters are not specified.

ParametersJSON Schema
NameRequiredDescriptionDefault
connectionIdNoNeoSQL connection ID from listConnections. If omitted, uses current context connectionId.
schemaNoMCP-enabled database schema name from listConnections (e.g., 'public', 'dbo'). If omitted, uses current context schema.
searchNoSearch keyword to filter tables by name or comment (case-insensitive). If omitted, returns all tables.

TDQS

A4/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description must cover behavioral aspects. It implies a read-only operation but does not explicitly state non-destructiveness or any side effects. It mentions using current context, which adds transparency, but could be more explicit about safety or permissions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences that front-load the purpose and return value, with no redundant information. Every sentence earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple listing tool with fully documented parameters and no output schema, the description covers the essential information (what is returned, fallback behavior). It could mention error handling or pagination, but is largely complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema already provides 100% description coverage for all three parameters. The description only repeats the fallback behavior already in the schema, adding no significant new meaning.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: listing tables and views in a database schema, specifying the returned data (table names, types, comments). This distinguishes it from siblings like getTableDetails (detailed info on one table) or createTables.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains that parameters are optional and fall back to current context, providing clear usage guidance. However, it does not explicitly contrast with alternatives like getTableDetails or state when not to use this tool.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

modifyTablesmodifyTablesA

Modify one or more existing tables in the NeoSQL application. Each alteration can include: table rename, comment operation, primary key operations, column operations (ADD/DROP/MODIFY/RENAME), index operations (ADD/DROP), foreign key operations (ADD/DROP), and table-level constraint operations (UNIQUE / CHECK / EXCLUSION; ADD/DROP). For table comments, use remarksOperation.modify=true when an empty string is an intended comment change. For primary keys, omit primaryKeyOperations or pass [] for no change; dropping every PK column requires an explicit DROP operation for each current PK column. Pass multiple alterations to modify several tables in a single call. Uses the current context (project/connection).

ParametersJSON Schema
NameRequiredDescriptionDefault
alterationsYesList of table alterations. Each specifies a target table and the changes to apply.
connectionIdNoNeoSQL connection ID from listConnections. If omitted, uses current context connectionId.
schemaNoMCP-enabled database schema name from listConnections. If omitted, uses current context schema.

TDQS

A4/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description must disclose behavior. It explains operational details (e.g., dropping every PK column requires explicit DROP). However, it does not mention whether the operation is transactional, whether changes are immediately persisted, or any permission requirements. Some behavioral traits are left implicit.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is verbose and lists all operation types, making it thorough but not concise. It is front-loaded with the main action, but subsequent sentences are dense. It could be trimmed without losing meaning.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (many operation types) and that the input schema covers all parameters, the description covers the main use cases and edge cases (e.g., empty comments, PK drops). Missing details like error handling or atomicity are minor gaps, but overall it is mostly complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3. The description adds value beyond the schema by explaining the purpose of each operation group and providing usage nuance (e.g., when to set modify flag, how to handle PK drops). This elevates the score above baseline.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool modifies existing tables and enumerates all supported operation types (rename, comments, PK, columns, indexes, foreign keys, constraints). It distinguishes from sibling tools like createTables (creates new tables) and getTableDetails (reads table info).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides specific usage patterns, such as using remarksOperation.modify=true to intentionally set an empty comment, and that omitting primaryKeyOperations or passing [] means no change. It also mentions that multiple alterations can be batched and notes context defaults, but lacks explicit when-not-to-use guidance vs. alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

pingPingA

Health-check tool. Returns "pong".

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations, but description fully discloses behavior: returns 'pong'. No side effects or additional traits needed.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two concise sentences with zero waste, properly front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple health-check tool with no output schema, the description is complete enough to understand function and return value.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

No parameters in schema, baseline is 4. Description adds nothing about parameters, but none exist.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it is a health-check tool that returns 'pong', which is specific and distinct from siblings that handle database operations.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit guidance when to use or when not, but the purpose is obvious; implicit usage as a health check. Lacks alternatives or exclusions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

TDQS

B3.4/5.0
Disambiguation5/5

Each tool has a clearly distinct purpose: schema creation, query execution, code generation, table details, listing, modification, connection discovery, context help, session ID, and health check. No overlapping responsibilities.

Naming Consistency5/5

All tool names follow a consistent verbNoun camelCase pattern (createTables, executeQuery, generateCode, getTableDetails, listTables, modifyTables, listConnections, getContextHelp, getMcpSessionId, ping). No mixing of conventions.

Tool Count5/5

10 tools is well-scoped for a database management server. It covers schema operations, query execution, discovery, and utility without being overwhelming.

Completeness3/5

Covers creation, modification, querying, and listing of tables, but lacks a drop table tool. Also missing is any tool for managing projects or connections beyond listing. This leaves notable gaps in lifecycle management.

Maintenance

ActivityActive
ResponsivenessSyncing

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