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  3. S1grep
MCP server · RAG

S1grep

by · github.com/apiservicesac/s1grep

Semantic code search that runs on your machine: describe what the code does, in English or Spanish, and get the exact function. Local embeddings + BM25 + s1-code, our own small judge model. CPU only, no cloud.

Unclaimed ai-agentsbm25clicode-searchdeveloper-toolsembeddingsgreplocal-firstmcponnxrerankerrustsemantic-searchspanishtree-sitter
InstallView source
34Low

Scored 7 days ago · breakdown

About S1grep

S1grep is an MCP server published by apiservicesac in the RAG category: semantic code search that runs on your machine: describe what the code does, in English or Spanish, and get the exact function. Local embeddings + BM25 + s1-code, our own small judge model. CPU only, no cloud.

The repository has 2 stars and 0 forks, with the last commit 16 days ago. Recent commit activity is the strongest signal that reported issues will get attention.

Install

From source
git clone https://github.com/apiservicesac/s1grep

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

6 checks have not been run yet.

Releases

0.5.00.5.0 · 1 Oct 2026Added The background process answers on two threads: pings, `status` and `stop` answer at once even while it searches or indexes (0.02 s instead of waiting for the work in hand), and a worker runs searches before background indexing. A…
0.4.00.4.0 · 1 Oct 2026Added A word index per project (tantivy, BM25) with a tokenizer for code: it splits `camelCase`, `snake_case`, acronyms and digits, folds accents, and knows no human language. Searches written like code (`parse_config`, `sendInvoice()`,…
0.3.00.3.0 · 1 Oct 2026Changed Outlines, the quick first pass over a large repository, are embedded by granite-embedding-97m-multilingual-r2, about three times faster than the main retriever with nearly the same answers (top-1 133 instead of 135 on outlines…
0.2.60.2.6 · 1 Oct 2026Added JavaScript, TypeScript (with TSX), Go, Java, PHP, Rust, Ruby and C#, each read through a tree-sitter query (`docs/languages.md`). Python keeps its extractor, so its results do not change. Each file records the extractor version that…
0.2.50.2.5 · 1 Oct 2026Added `s1grep gc` removes the indexes of folders that no longer exist and the vectors no index uses (`--dry-run` shows what it would remove). Indexes carry a schema version and migrate themselves; one written by a newer s1grep is never…
Questions

About S1grep

How do I install S1grep?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is S1grep safe to use with an AI agent?

Its trust score is 34 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is S1grep still maintained?

Yes — the latest release is 0.5.0 (1 Oct 2026), and the last commit was 16 days ago. The repository has 2 stars.