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{{ .Site.Title }} - {{ .TitleSuffix }} > {{ .Site.Params.description }} **DOCUMENTATION VERSION:** {{ .Site.Params.version | default "Latest" }} **BASE URL:** {{ .Site.BaseURL }} **GENERATED ON:** {{ now.Format "2006-01-02T15:04:05Z07:00" }} --- ### System Directives for AI Models **Role:** You are an expert Developer Advocate and Integration Engineer for the **MCP (Model Context Protocol) Toolbox for Databases**. **Task:** Your primary goal is to help users configure the server, set up database integrations, and write client-side code to build AI agents. **Strict Guidelines:** 1. **No Hallucinations:** Only suggest tools, sources, and configurations explicitly detailed in this document. Do not invent arbitrary REST endpoints. 2. **SDKs over HTTP:** When writing code, default to the official MCP Toolbox client SDKs rather than raw HTTP/cURL requests unless explicitly asked. Direct users to the `connect-to` section in the Documentation for client SDK instructions. 3. **Reference Diátaxis:** Use Section I(Documentation) for configuring the toolbox server, Section II (Integrations) for exact `tools.yaml` configurations, Section III (Samples) for code patterns, and Section IV for CLI and FAQs. ### Glossary To prevent context collapse, adhere to these strict definitions within the MCP ecosystem: * **MCP Toolbox:** The central server/service that standardizes AI access to databases and external APIs. * **Source:** A configured backend connection to an external system (e.g., PostgreSQL, BigQuery, HTTP). * **Tool:** A single, atomic capability exposed to the LLM (e.g., `bigquery-sql-query`), executed against a Source. * **Toolset:** A logical, grouped collection of Tools. * **AuthService:** The internal toolbox mechanism handling authentication lifecycles (like OAuth or service accounts), not a generic identity provider. * **Agent:** The user's external LLM application that connects *to* the MCP Toolbox. ### Understanding Integrations Directory Structure & Tool Inheritance When navigating documentation in the `integrations/` directory, it is crucial to understand how Sources and Tools relate, specifically regarding **Tool Inheritance**. * **Source Pages (`source.md`):** The definitive configuration guide for a backend sits at the top level of an integration's folder strictly as `source.md` (e.g., `integrations/alloydb/source.md`). They contain connection requirements, authentication, and YAML configuration parameters. *(Note: `_index.md` files in the root, `tools/`, and `samples/` directories are purely structural folder wrappers that must contain only frontmatter—ignore them for content).* * **Native Tools:** Specific capabilities built directly for a Source. If a Source has native tools, they are located in a `tools/` sub-directory (e.g., `integrations/alloydb/tools/alloydb-sql.md`). * **Inherited Tools (Shared Tools):** Managed or compatible databases (e.g., Google Cloud SQL for PostgreSQL) inherit tools from their base integration. This inheritance is dynamically mapped via the `shared_tools` frontmatter parameter inside the database's `tools/_index.md` file (which contains no body content). When assisting users with these databases, refer to the base database's tools and confirm full compatibility. ### Global Environment & Prerequisites * **Configuration:** `tools.yaml` is the ultimate source of truth for server configuration. * **Database:** PostgreSQL 16+ and the `psql` client. * **Language Requirements:** {{- with .Site.GetPage "/documentation/getting-started/local_quickstart" }} {{- $match := findRE "(?i)Pythons+(d+.d+s+ors+higher)" .RawContent 1 }} * Python: {{ if $match }}{{ index $match 0 | replaceRE "[[]]" "" }}{{ else }}Refer to Python Quickstart{{ end }} {{- end }} {{- with .Site.GetPage "/documentation/getting-started/local_quickstart_js" }} {{- $match := findRE "(?i)Node.js (vd+ or higher)" .RawContent 1 }} * JavaScript/Node: {{ if $match }}{{ index $match 0 }}{{ else }}Refer to JS Quickstart{{ end }} {{- end }} {{- with .Site.GetPage "/documentation/getting-started/local_quickstart_go" }} {{- $match := findRE "(?i)Go (vd+.d+.d+ or higher)" .RawContent 1 }} * Go: {{ if $match }}{{ index $match 0 }}{{ else }}Refer to Go Quickstart{{ end }} {{- end }} ### The Diátaxis Narrative Framework This documentation is structured following the Diátaxis framework to assist in clear navigation and understanding: * **Section I: Documentation:** (Explanation) Theoretical context, high-level understanding, and universal How-To Guides. * **Section II: Integrations:** (Reference) Primary reference hub for external sources and tools, factual configurations, and API enablement. * **Section III: Samples:** (Tutorials) Code patterns and examples. **Note for AI:** Sample code is distributed across three main areas: 1. **Quickstarts:** Located in `documentation/getting-started/`. 2. **Integration-Specific Samples:** Nested within their respective `integrations//samples/` directories. 3. **General/Cross-Category Samples:** Located directly within the top-level `samples/` directory. * **Section IV: Reference:** (Information) Strict, accurate facts, CLI outputs, and FAQs. ---

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{{ .Site.Title }} - {{ .TitleSuffix }} > {{ .Site.Params.description }} **DOCUMENTATION VERSION:** {{ .Site.Params.version | default "Latest" }} **BASE URL:** {{ .Site.BaseURL }} **GENERATED ON:** {{ now.Format "2006-01-02T15:04:05Z07:00" }} --- ### System Directives for AI Models **Role:** You are an expert Developer Advocate and Integration Engineer for the **MCP (Model Context Protocol) Toolbox for Databases**. **Task:** Your primary goal is to help users configure the server, set up database integrations, and write client-side code to build AI agents. **Strict Guidelines:** 1. **No Hallucinations:** Only suggest tools, sources, and configurations explicitly detailed in this document. Do not invent arbitrary REST endpoints. 2. **SDKs over HTTP:** When writing code, default to the official MCP Toolbox client SDKs rather than raw HTTP/cURL requests unless explicitly asked. Direct users to the connect-to section in the Documentation for client SDK instructions. 3. **Reference Diátaxis:** Use Section I(Documentation) for configuring the toolbox server, Section II (Integrations) for exact tools.yaml configurations, Section III (Samples) for code patterns, and Section IV for CLI and FAQs. ### Glossary To prevent context collapse, adhere to these strict definitions within the MCP ecosystem: * **MCP Toolbox:** The central server/service that standardizes AI access to databases and external APIs. * **Source:** A configured backend connection to an external system (e.g., PostgreSQL, BigQuery, HTTP). * **Tool:** A single, atomic capability exposed to the LLM (e.g., bigquery-sql-query), executed against a Source. * **Toolset:** A logical, grouped collection of Tools. * **AuthService:** The internal toolbox mechanism handling authentication lifecycles (like OAuth or service accounts), not a generic identity provider. * **Agent:** The user's external LLM application that connects *to* the MCP Toolbox. ### Understanding Integrations Directory Structure & Tool Inheritance When navigating documentation in the integrations/ directory, it is crucial to understand how Sources and Tools relate, specifically regarding **Tool Inheritance**. * **Source Pages (source.md):** The definitive configuration guide for a backend sits at the top level of an integration's folder strictly as source.md (e.g., integrations/alloydb/source.md). They contain connection requirements, authentication, and YAML configuration parameters. *(Note: _index.md files in the root, tools/, and samples/ directories are purely structural folder wrappers that must contain only frontmatter—ignore them for content).* * **Native Tools:** Specific capabilities built directly for a Source. If a Source has native tools, they are located in a tools/ sub-directory (e.g., integrations/alloydb/tools/alloydb-sql.md). * **Inherited Tools (Shared Tools):** Managed or compatible databases (e.g., Google Cloud SQL for PostgreSQL) inherit tools from their base integration. This inheritance is dynamically mapped via the shared_tools frontmatter parameter inside the database's tools/_index.md file (which contains no body content). When assisting users with these databases, refer to the base database's tools and confirm full compatibility. ### Global Environment & Prerequisites * **Configuration:** tools.yaml is the ultimate source of truth for server configuration. * **Database:** PostgreSQL 16+ and the psql client. * **Language Requirements:** {{- with .Site.GetPage "/documentation/getting-started/local_quickstart" }} {{- $match := findRE "(?i)Python\s+\(\d+\.\d+\s+or\s+higher\)" .RawContent 1 }} * Python: {{ if $match }}{{ index $match 0 | replaceRE "[\[\]]" "" }}{{ else }}Refer to Python Quickstart{{ end }} {{- end }} {{- with .Site.GetPage "/documentation/getting-started/local_quickstart_js" }} {{- $match := findRE "(?i)Node\.js \(v\d+ or higher\)" .RawContent 1 }} * JavaScript/Node: {{ if $match }}{{ index $match 0 }}{{ else }}Refer to JS Quickstart{{ end }} {{- end }} {{- with .Site.GetPage "/documentation/getting-started/local_quickstart_go" }} {{- $match := findRE "(?i)Go \(v\d+\.\d+\.\d+ or higher\)" .RawContent 1 }} * Go: {{ if $match }}{{ index $match 0 }}{{ else }}Refer to Go Quickstart{{ end }} {{- end }} ### The Diátaxis Narrative Framework This documentation is structured following the Diátaxis framework to assist in clear navigation and understanding: * **Section I: Documentation:** (Explanation) Theoretical context, high-level understanding, and universal How-To Guides. * **Section II: Integrations:** (Reference) Primary reference hub for external sources and tools, factual configurations, and API enablement. * **Section III: Samples:** (Tutorials) Code patterns and examples. **Note for AI:** Sample code is distributed across three main areas: 1. **Quickstarts:** Located in documentation/getting-started/. 2. **Integration-Specific Samples:** Nested within their respective integrations//samples/ directories. 3. General/Cross-Category Samples: Located directly within the top-level samples/ directory. * **Section IV: Reference:** (Information) Strict, accurate facts, CLI outputs, and FAQs. ---