| FMRS | 62 / 100 · C | 76 / 100 · B |
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| Reliability | 9 / 20 | 13 / 20 |
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| Security and permissions | 12 / 20 | 14 / 20 |
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| Maintenance | 13 / 20 | 18 / 20 |
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| Documentation | 15 / 20 | 17 / 20 |
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| Setup experience | 13 / 20 | 14 / 20 |
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| Best for | - Developers who want Claude, Cursor, Windsurf, or other MCP clients to deeply understand codebase structure and dependencies.
- Privacy-conscious teams that prefer local embeddings and a local-only MCP server.
- Engineering teams working in supported languages such as Rust, Python, TypeScript/JavaScript, Go, PHP, and C++.
- Code intelligence scenarios that need semantic search, a symbol graph, and LSP-precise navigation together.
| - Teams that want an AI assistant to directly operate on GitHub repos and collaboration workflows
- Users already in the GitHub Copilot ecosystem who want a zero-deployment remote option
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| Not for | - Workflows that only need plain-text grep and no structural understanding.
- Users who do not use an MCP client and only want a traditional IDE indexer.
- Enterprise procurement needing official vendor support or an SLA (this is a community open-source project maintained by Muvon).
- Situations where code must never leave the machine but local embedding models are also not acceptable.
| - Scenarios where you don't want the assistant to have write access to repos (enable only read-only toolsets)
- Environments with strict network isolation for private repos that can't reach the official remote endpoint
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| Required permissions | - Read source files under the specified project path (respects .gitignore by default and does not index sensitive files).
- Write and update local index data inside the project.
- Read local API key configuration and environment variables (VOYAGE_API_KEY, OPENROUTER_API_KEY, OPENAI_API_KEY, JINA_API_KEY, GOOGLE_API_KEY, etc., all optional).
- When started with --with-lsp, launch and call the specified local language server (e.g. rust-analyzer).
- Run as a local MCP server; search itself performs no external network access.
| - A personal access token (PAT) or OAuth App token; effective scope depends on the token's own permissions
- Enabling toolsets like actions/issues/pull_requests grants write access — request tokens on a least-privilege basis
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| Risks and side effects | - When a cloud embedding provider is enabled, only the code chunks being embedded are sent to that provider; use local models for fully offline indexing.
- Indexing writes project content into a local index store, so the storage location and permissions should match team policy.
- LSP tools depend on an external language server; misconfiguration or crashes affect those tools, though not the graph or semantic search.
- Semantic search results are relevance-ranked candidates; an AI may draw conclusions from incomplete results, so important changes still need human review.
- A generic local cross-encoder reranker (e.g. bge-reranker-base) can actually regress code retrieval; a code-aware reranker is needed.
| - Write toolsets (creating/merging PRs, triggering workflows) can cause accidental changes if the token is overscoped — try a read-only toolset first
- In hosted mode, credentials travel via the Authorization header — make sure the client-to-api.githubcopilot.com connection is trusted
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| Supported clients | Claude Desktop, Claude Code, Cursor, Windsurf, Octomind, Cline, Continue, Zed, Replit | Claude Desktop, Claude Code, VS Code, Cursor, Windsurf, JetBrains IDEs, Zed, Amp |
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| Tools | 10 | 15 |
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