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Codebase MCP

A Model Context Protocol (MCP) server implementation that provides tools to retrieve and analyze entire codebases using RepoMix.

This MCP allows AI Agents like Cursor's Composer Agent to automatically read and understand entire codebases at once, making it easier for developers to work with large codebases and for AI assistants to have comprehensive context of a project.

Features

  • 📚 Codebase Retrieval: Retrieve the entire codebase as a single text output in different formats (XML, Markdown, Plain)

  • 🌐 Remote Repository Support: Process remote GitHub repositories directly

  • 💾 File Saving: Save the processed codebase to a file

  • 🔧 Customizable Options: Control how the codebase is processed with various options (comments, line numbers, file summaries, etc.)

Related MCP server: CodeAlive MCP

Installation

# Install the package globally
npm install -g codebase-mcp

# Install RepoMix (required dependency)
codebase-mcp install

From GitHub

# Clone the repository
git clone https://github.com/DeDeveloper23/codebase-mcp.git

# Navigate to the project directory
cd codebase-mcp

# Install dependencies
npm install

# Build the project
npm run build

# Install globally
npm install -g .

# Install RepoMix (required dependency)
codebase-mcp install

Integration with Cursor

To use this MCP with Cursor's Composer Agent:

  1. Open Cursor IDE

  2. Click the Composer icon in the sidebar

  3. Click the "MCP Servers" button at the top

  4. Click "Add new MCP server"

  5. Fill in the details:

    • Name: Codebase MCP (or any name you prefer)

    • Type: command

    • Command: codebase-mcp start

  6. Click "Add" to save

Once added, the MCP will provide three powerful tools to the Composer Agent:

Available Tools

  1. getCodebase

    • Purpose: Analyzes your current workspace/project

    • Use when: You want the AI to understand your entire codebase

    • Example prompt: "Please analyze my codebase to understand its structure"

  2. getRemoteCodebase

    • Purpose: Fetches and analyzes any public GitHub repository

    • Use when: You want to explore or understand other projects

    • Example prompt: "Can you analyze the repository at github.com/username/repo?"

  3. saveCodebase

    • Purpose: Saves the codebase analysis to a file for later use

    • Use when: You want to preserve the codebase snapshot or share it

    • Example prompt: "Save an analysis of this codebase to review later"

Example Usage in Cursor

Here are some example prompts you can use with the Composer Agent:

"Analyze my current project and explain its main components."

"Can you look at the tensorflow/tensorflow repository and explain how their testing framework works?"

"Save an analysis of my project to 'codebase-analysis.md' in markdown format."

The Composer Agent will automatically use the appropriate tool based on your request.

Usage Outside Cursor

Starting the MCP Server

codebase-mcp start

This will start the MCP server in stdio mode, which can be used by any MCP-compatible clients.

License

MIT

Available Tools

3 tools
getCodebaseC

Retrieve the entire codebase as a single text output using RepoMix

ParametersJSON Schema
NameRequiredDescriptionDefault
cwdNoCurrent working directory of the codebase (defaults to current dir)
formatNoOutput format (xml, markdown, or plain)xml
ignorePatternsNoIgnore patterns (using glob patterns, comma-separated)
includeDirectoryStructureNoInclude directory structure
includeFileSummaryNoInclude summary of each file
includePatternsNoInclude patterns (using glob patterns, comma-separated)
removeCommentsNoRemove comments from the code
removeEmptyLinesNoRemove empty lines from the code
showLineNumbersNoShow line numbers

TDQS

C2.9/5.0
Behavior2/5

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

With no annotations, the description carries full burden but only states it retrieves code as text. It lacks critical behavioral details: whether this is a read-only operation, potential performance impacts for large codebases, authentication needs, or output format specifics beyond 'single text output'.

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?

Single sentence, front-loaded with core purpose, zero wasted words. It efficiently conveys the essential action without unnecessary elaboration.

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

Completeness2/5

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

For a complex tool with 9 parameters and no annotations or output schema, the description is inadequate. It doesn't explain the output structure, performance considerations, or error handling, leaving significant gaps for agent understanding.

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 description coverage is 100%, so the schema fully documents all 9 parameters. The description adds no parameter-specific information beyond implying retrieval scope ('entire codebase'), maintaining the baseline score for high schema coverage.

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?

The description clearly states the verb ('Retrieve') and resource ('entire codebase'), specifying it outputs as 'single text output using RepoMix'. It distinguishes from 'saveCodebase' (write vs. read) but not explicitly from 'getRemoteCodebase' (local vs. remote retrieval).

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

Usage Guidelines2/5

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 alternatives. It doesn't mention 'getRemoteCodebase' for remote codebases or 'saveCodebase' for saving output, leaving the agent to infer usage from tool names alone.

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

getRemoteCodebaseC

Retrieve a remote repository's codebase as a single text output using RepoMix

ParametersJSON Schema
NameRequiredDescriptionDefault
formatNoOutput format (xml, markdown, or plain)xml
ignorePatternsNoIgnore patterns (using glob patterns, comma-separated)
includeDirectoryStructureNoInclude directory structure
includeFileSummaryNoInclude summary of each file
includePatternsNoInclude patterns (using glob patterns, comma-separated)
removeCommentsNoRemove comments from the code
removeEmptyLinesNoRemove empty lines from the code
repoYesGitHub repository URL or shorthand format (e.g., 'username/repo')
showLineNumbersNoShow line numbers

TDQS

C2.9/5.0
Behavior2/5

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

With no annotations, the description carries full burden but lacks critical behavioral details. It mentions output is 'a single text output' but doesn't disclose size limits, rate limits, authentication needs, error handling, or what 'RepoMix' entails. For a tool with 9 parameters and no annotations, this is insufficient.

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 a single, efficient sentence that front-loads the core purpose without wasted words. Every part earns its place by specifying retrieval, resource, output format, and method.

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

Completeness2/5

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

For a complex tool with 9 parameters, no annotations, and no output schema, the description is inadequate. It doesn't explain the return structure, potential errors, or behavioral constraints, leaving significant gaps for the agent to operate effectively.

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 description coverage is 100%, so parameters are well-documented in the schema. The description adds no additional parameter semantics beyond implying the tool handles remote repositories via 'repo', which aligns with the schema. Baseline 3 is appropriate as the schema does the heavy lifting.

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?

The description clearly states the action ('Retrieve') and resource ('remote repository's codebase'), specifying it returns 'a single text output using RepoMix'. It distinguishes from sibling 'getCodebase' by emphasizing 'remote' and 'RepoMix', but doesn't explicitly contrast with 'saveCodebase'.

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

Usage Guidelines2/5

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

No explicit guidance on when to use this tool versus siblings 'getCodebase' or 'saveCodebase'. The description implies usage for remote repositories but doesn't specify alternatives or exclusions, leaving the agent to infer context.

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

saveCodebaseC

Save the codebase to a file using RepoMix

ParametersJSON Schema
NameRequiredDescriptionDefault
cwdNoCurrent working directory of the codebase (defaults to current dir)
formatNoOutput format (xml, markdown, or plain)xml
ignorePatternsNoIgnore patterns (using glob patterns, comma-separated)
includeDirectoryStructureNoInclude directory structure
includeFileSummaryNoInclude summary of each file
includePatternsNoInclude patterns (using glob patterns, comma-separated)
outputFileNoOutput file pathrepomix-output.txt
removeCommentsNoRemove comments from the code
removeEmptyLinesNoRemove empty lines from the code
showLineNumbersNoShow line numbers

TDQS

C2.9/5.0
Behavior2/5

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

With no annotations provided, the description carries full burden for behavioral disclosure. It states 'Save' which implies a write operation, but doesn't specify file system permissions, whether it overwrites existing files, error handling, or output format details. The mention of 'RepoMix' adds some context but lacks operational specifics needed for a mutation tool.

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 a single, efficient sentence that gets straight to the point. It uses minimal words to convey the core functionality without any fluff or redundant information. Every word earns its place.

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

Completeness2/5

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

For a mutation tool with 10 parameters and no annotations or output schema, the description is insufficient. It doesn't explain what the tool returns, error conditions, or important behavioral aspects like file overwriting. The high parameter count and mutation nature require more contextual information than provided.

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 description coverage is 100%, providing comprehensive parameter documentation. The description doesn't add any parameter-specific information beyond what's in the schema. According to scoring rules, when schema coverage is high (>80%), the baseline is 3 even with no param info in description.

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?

The description clearly states the action ('Save') and resource ('codebase to a file') with the specific tool 'RepoMix'. It distinguishes from sibling tools 'getCodebase' and 'getRemoteCodebase' by indicating a save/write operation rather than retrieval. However, it doesn't specify what exactly gets saved (e.g., entire codebase, filtered content).

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

Usage Guidelines2/5

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

No guidance is provided about when to use this tool versus alternatives. The description doesn't mention sibling tools or any contextual cues for choosing this over 'getCodebase' or 'getRemoteCodebase'. It's a standalone statement with no usage context.

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

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. 3 tool updatesv1.0.0
    • First observedgetCodebase
    • First observedgetRemoteCodebase
    • First observedsaveCodebase

TDQS

B3.1/5.0
Disambiguation4/5

The three tools have distinct purposes: retrieving local codebase, retrieving remote codebase, and saving codebase. While 'getCodebase' and 'getRemoteCodebase' both retrieve code, the local/remote distinction is clear. There's minor potential confusion about whether 'saveCodebase' saves the local or remote version, but overall boundaries are well-defined.

Naming Consistency5/5

All tools follow a consistent verb_noun pattern with camelCase styling: getCodebase, getRemoteCodebase, saveCodebase. The naming is predictable and follows the same grammatical structure throughout, making it easy for agents to understand the action-object relationship.

Tool Count3/5

With only 3 tools, this feels quite minimal for a 'Codebase MCP' server. While the tools cover basic retrieval and saving operations, the scope seems limited - there are no tools for searching, analyzing, modifying, or managing codebase components. The count is borderline thin for what could be expected from a codebase management system.

Completeness2/5

For a codebase management server, there are significant gaps in functionality. The tools only provide retrieval and saving operations using RepoMix, but lack any tools for code analysis, search, modification, version control operations, or component management. This creates a dead-end surface where agents can only get and save entire codebases without any ability to work with code meaningfully.

Maintenance

ActivityInactive
ResponsivenessSyncing

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