docs: add token efficiency comparison and use cases, remove star history from blog posts

- Add Token Efficiency section with comparison table before Use Cases
- Add Use Cases section sourced from community feedback (#146)
- Highlight DBHub as official Claude Code docs PostgreSQL MCP example
- Remove star history charts from 3 blog review posts

Author: tianzhou

README.md

@@ -38,6 +38,18 @@ DBHub is a minimal MCP server: token-efficient, zero-dependency, and just two to
 - **Guardrails**: Read-only mode, row limiting, and query timeout to prevent runaway operations
 - **Secure Access**: SSH tunneling and SSL/TLS encryption
 
+> DBHub is the official example in the [Claude Code docs](https://code.claude.com/docs/en/mcp#example-query-your-postgresql-database) for connecting to PostgreSQL via MCP.
+
+## Token Efficiency
+
+DBHub loads just 2 tools by default at **1.4k tokens** — 13-14x fewer than alternatives — keeping the context window open for your actual work.
+
+| MCP Server | Default Config | Default Tools |
+|------------|---------------|--------------|
+| **DBHub** | **1.4k** | 2 (`execute_sql`, `search_objects`) |
+| MCP Toolbox | 19.0k | 28 |
+| Supabase MCP | 19.3k | all |
+
 ## Use Cases
 
 - **Local Development**: Schema exploration, query validation, and data debugging with Claude Code, VS Code, Cursor, etc.

docs/blog/postgres-mcp-server-review-dbhub.mdx

@@ -7,10 +7,6 @@ _Last updated: Dec 28, 2025_
 
 This is the third in a series reviewing Postgres MCP servers. Here we—the DBHub maintainers—explain the design behind [DBHub](https://github.com/bytebase/dbhub), a zero-dependency, token efficient MCP server that connects AI assistants to PostgreSQL, MySQL, MariaDB, SQL Server, and SQLite. We'll cover our design decisions, trade-offs, and where DBHub falls short compared to alternatives.
 
-- **GitHub Stars**
-
-    [![Star History Chart](https://api.star-history.com/svg?repos=bytebase/dbhub&type=date&legend=top-left)](https://www.star-history.com/#bytebase/dbhub&type=date&legend=top-left)
-
 - **License:** MIT
 - **Language:** TypeScript
 

docs/blog/postgres-mcp-server-review-mcp-toolbox.mdx

@@ -9,10 +9,6 @@ _Last updated: Dec 20, 2025_
 This is the first in a series of deep-dive reviews examining popular Postgres MCP servers. We begin with [MCP Toolbox for Databases](https://github.com/googleapis/genai-toolbox), 
 an open-source MCP server developed by Google that supports a wide range of databases and data platforms including PostgreSQL, MySQL, BigQuery, MongoDB, and many others.
 
-- **GitHub Stars**
-
-    [![Star History Chart](https://api.star-history.com/svg?repos=googleapis/genai-toolbox&type=date&legend=top-left)](https://www.star-history.com/#googleapis/genai-toolbox&type=date&legend=top-left)
-
 - **License:** Apache-2.0
 - **Language:** Go
 

docs/blog/postgres-mcp-server-review-supabase-mcp.mdx

@@ -7,10 +7,6 @@ _Last updated: Dec 22, 2025_
 
 This is the second in a series of deep-dive reviews examining popular Postgres MCP servers. We're reviewing [Supabase MCP Server](https://github.com/supabase-community/supabase-mcp), a MCP server that gives AI assistants direct access to Supabase projects for database operations, schema changes, and project configuration.
 
-- **GitHub Stars**
-
-    [![Star History Chart](https://api.star-history.com/svg?repos=supabase-community/supabase-mcp&type=date&legend=top-left)](https://www.star-history.com/#supabase-community/supabase-mcp&type=date&legend=top-left)
-
 - **License:** Apache-2.0
 - **Language:** TypeScript
 

docs/index.mdx

@@ -33,6 +33,18 @@ DBHub is a minimal MCP server: token-efficient, zero-dependency, and just two to
      MCP Clients           MCP Server             Databases
 ```
 
+> DBHub is the official example in the [Claude Code docs](https://code.claude.com/docs/en/mcp#example-query-your-postgresql-database) for connecting to PostgreSQL via MCP.
+
+## Token Efficiency
+
+DBHub loads just 2 tools by default at **1.4k tokens** — 13-14x fewer than alternatives — keeping the context window open for your actual work.
+
+| MCP Server | Default Config | Default Tools |
+|------------|---------------|--------------|
+| **DBHub** | **1.4k** | 2 (`execute_sql`, `search_objects`) |
+| MCP Toolbox | 19.0k | 28 |
+| Supabase MCP | 19.3k | all |
+
 ## Use Cases
 
 - **Local Development**: Schema exploration, query validation, and data debugging with Claude Code, VS Code, Cursor, etc.