deepcontext-mcp
deepcontext-mcp is an MCP server that indexes a local codebase using AST-based parsing (tree-sitter) and builds a hybrid semantic search index (vector similarity + BM25 reranked with Jina). It exposes MCP tools to index code, search code, check indexing status, and clear indexes, enabling coding agents to retrieve more relevant code context than keyword search.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Uses API keys via environment variables (WILDCARD_API_KEY / TURBOPUFFER_API_KEY / JINA_API_KEY). The provided content does not describe secret logging/handling behavior, transport/TLS requirements explicitly, or whether tokens are scoped/least-privilege. The implementation likely relies on third-party embedding/reranking and vector storage services, implying code/derived data may be transmitted or stored externally in hosted mode; self-hosting shifts that responsibility but still uses external APIs unless fully local.
⚡ Reliability
Best When
You are using MCP-capable coding agents and need fast, high-relevance retrieval of code symbols/chunks from large repositories, especially for mixed “keyword + semantic” queries.
Avoid When
You cannot run MCP servers (or cannot add MCP to your agent), or you require strict guarantees about how/where code and embeddings are stored/transmitted without documented controls.
Use Cases
- • Semantic symbol-aware code search for large TypeScript/Python repositories
- • Providing relevant code chunks to coding agents (Claude Code, Codex CLI, etc.) to reduce context window waste
- • Incremental reindexing as a codebase changes
- • Clearing and rebuilding an index when project structure or indexing configuration changes
Not For
- • General-purpose web search or non-code document retrieval
- • Applications that require a public REST/GraphQL API for querying (MCP is the primary interface)
- • Strict data residency/compliance needs that are not explicitly documented
- • Environments where outgoing calls to third-party embedding/reranking services are unacceptable (unless self-hosted)
Interface
Authentication
Auth is described as an API key environment variable for the Wildcard backend. Self-hosting uses TURBOPUFFER_API_KEY and JINA_API_KEY environment variables for external services. No fine-grained scopes are documented.
Pricing
Pricing details are not provided in the supplied README content.
Agent Metadata
Known Gotchas
- ⚠ Long-running indexing is done via background processes; agents may need to poll get_indexing_status before relying on search results.
- ⚠ Indexing may exclude tests/generated/minified/build outputs; search results may not include those files.
- ⚠ Self-hosting requires API keys for vector storage and embeddings/reranking; hosted mode requires WILDCARD_API_KEY.
Alternatives
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Scores are editorial opinions as of 2026-03-30.