Bismanpal-Singh commented on issue #234:
URL:
https://github.com/apache/incubator-resilientdb/issues/234#issuecomment-3910587350
**Core Capabilities Implemented**
**1. MCP-Powered Repository Analyzer**
- GitHub repo ingestion via authenticated API (public + private repos)
- Large-scale code chunking with FAISS semantic embeddings
- 10+ integrated MCP tools for comprehensive analysis
**2. Implemented MCP Tools (Tested & Verified)**
| Tool | Functionality |
|------|---------------|
| `list_github_repo_files` | Navigate repository file structure |
| `Get_Repo_Summary` | Architectural overview and key components |
| `Ingest_Repo_Code` | Process and index codebase for analysis |
| `Semantic_Search` | Vector-based code search using embeddings |
| `SummarizeFunctions` | Extract and summarize code blocks |
| `KGraphQuery` | Knowledge graph traversal for dependencies |
| `ShowDependencyGraph` | Visualize module relationships |
| `CodeReviewAssistant` | Automated PR analysis and feedback |
| `SetupGuide` | Dockerfile-based installation instructions |
| `SearchResilientDBKnowledge` | Query ResilientDB-specific documentation |
**3. Real-World Testing**
Successfully tested on **Arrayan**, **Coinsensus** and **Debitable**
repositories (React + ResilientDB):
- Built complete knowledge graph of component relationships
- Generated dependency diagrams showing file connections
- Performed semantic search to identify feature-related files: Data Upload
related
- DataUploader.jsx
- InventoryPage.jsx
- ResDbApis.js
**Implementation Details**
**Location**
```
https://github.com/apache/incubator-resilientdb/ecosystem/ai-tools/mcp/ResInsight/
```
**File Structure**
```
ecosystem/ai-tools/mcp/ResInsight/
├── README.md # Comprehensive documentation
├── requirements.txt # Python dependencies
├── .gitignore # Git ignore rules
├── pyproject.toml # Project metadata
├── server.py # Main MCP server with 10+ tools
├── ResilientDBKnowledgeBase.py # Domain-specific KB integration
├── knowledge_graph_builder.py # NetworkX-based graph construction
└── add_license_headers.py # Apache license utility
```
**Technology Stack**
- **FastMCP**: MCP server framework
- **GitHub API (PyGithub)**: Repository data ingestion
- **FAISS**: Vector similarity search for semantic code understanding
- **NetworkX**: Knowledge graph for structural relationships
- **Sentence Transformers**: Semantic embeddings generation
**Architecture**
- **Chunking & Indexing**: Large codebases split into semantic chunks with
vector embeddings
- **Hybrid Search**: Combines FAISS semantic search with NetworkX graph
queries
- **Tool-Based Design**: All functionality exposed as discrete MCP tools
**Key Use Cases**
**1. New Developer First-Time Setup**
**Scenario**: Developer joining ExpoLab at UC Davis, assigned to
ResilientDB-Ansible
- Repository discovery and architectural summary
- Prerequisites identification (Ansible, Docker, Bazel)
- Platform-specific configuration guidance
- Real-time log monitoring and error resolution using natural language
commands
- Service validation and health checks
**2. Troubleshooting During Development**
**Scenario**: Developer encountering Bazel build errors
- Error pattern analysis and root cause identification
- Repository-specific build configuration cross-reference
- Environment variable and compiler flag suggestions from repository data
- Conversational troubleshooting with Claude's context retention
**3. Code Exploration & Feature Development**
**Scenario**: Adding authentication to GraphQL API
- Code navigation using semantic search
- Architecture understanding (data flow visualization)
- Integration point identification
- Implementation guidance following project conventions
**Security & Compliance**
**Authentication**
- Token-based MCP endpoint authentication
- GitHub PAT for secure API access
- Environment-based credential management
- No secrets committed to repository
**License Compliance**
- All Python files include Apache License 2.0 header
- Documentation files include appropriate license notices
- actual .env excluded via .gitignore
**Testing & Validation**
- Local testing with token authentication
- GitHub API integration verified on public repos
- Private repository access validated with PAT
- Arrayan, Coinsensus and Debitable repositories successfully ingested and
analyzed
- All 10 MCP tools tested and functional
- Knowledge graph generation validated
- Semantic search accuracy confirmed
- ResilientDB knowledge base queries working
**Authentication Requirements**
ResInsight implements a two-layer authentication system:
**1. MCP Access Token (Required for all users)**
- Each user/client needs an MCP access token to authenticate with the server
- Token must be included in request headers: `Authorization: Bearer
<MCP_TOKEN>` from env variable
- Prevents unauthorized access to the MCP server endpoints
- Stored securely in server-side `.env` file
- **Action Required**: Lab administrators need to generate and distribute
MCP tokens to authorized users.
**2. GitHub Personal Access Token (Server-side)**
- Server uses a GitHub PAT for API access to repositories
- Enables both public and private repository analysis with minimal scopes:
`repo` (for private repos) or `public_repo` (for public only)
- Stored securely in server-side `.env` file
- **Action Required**: Configure GitHub PAT with appropriate repository
access
**Dependencies**
See `requirements.txt`. Key dependencies:
```
fastmcp >= 0.1.0
requests >= 2.31.0
sentence-transformers >= 2.2.0
numpy >= 1.24.0
networkx >= 3.0
```
**Documentation**
Comprehensive README includes:
- Project overview and motivation
- Installation and configuration guide
- Tool reference with usage examples
- Security best practices
- Use case walkthroughs
**Impact**
ResInsight significantly reduces onboarding and understanding time by:
- Eliminating manual README browsing and guesswork
- Providing instant, accurate answers about repository structure
- Offering guided troubleshooting for common setup issues
- Enabling self-service exploration of complex codebases
- Preserving expert developer time for research and development
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