Context7
Up-to-date docs for AI agents
作者による説明(英語の原文)
Local multi-client RAG server over the Model Context Protocol.
この3つを1つのスコアにまとめることはしません。意見、測定、人気はそれぞれ別のものだからです。
このサーバーのやさしい解説はまだ書いていません。以下はレジストリから読み取った事実です。
使っているAIアプリを選んで、設定をコピーしてください。
CORTEX_KB_PATH必要なもの
どのアプリを使っていますか?
上でアプリを選んでください。選んだアプリを覚えておくので、次からはボタンに「…にインストール」と表示されます。
Claude Desktop → Settings → Developer → Edit Config を開き、claude_desktop_config.json にこれを貼り付けます
{
"mcpServers": {
"cortex": {
"command": "uvx",
"args": [
"cortex-local-rag",
"serve"
],
"env": {
"CORTEX_KB_PATH": "your-value"
}
}
}
}ターミナルでこれを実行します
claude mcp add cortex --env CORTEX_KB_PATH=your-value -- uvx cortex-local-rag serve動かす前に、空欄の値を入力してください。
プロジェクトの .cursor/mcp.json、または ~/.cursor/mcp.json に貼り付けます
{
"mcpServers": {
"cortex": {
"command": "uvx",
"args": [
"cortex-local-rag",
"serve"
],
"env": {
"CORTEX_KB_PATH": "your-value"
}
}
}
}ブラウザがアプリを開いてよいか確認し、そのあとアプリが設定を表示して確認を求めます。キーの値は空欄のままなので、自分で入力してください。
プロジェクトの .vscode/mcp.json に貼り付けます
{
"servers": {
"cortex": {
"type": "stdio",
"command": "uvx",
"args": [
"cortex-local-rag",
"serve"
],
"env": {
"CORTEX_KB_PATH": "your-value"
}
}
}
}ブラウザがアプリを開いてよいか確認し、そのあとアプリが設定を表示して確認を求めます。キーの値は空欄のままなので、自分で入力してください。
これはパソコンで動くサーバーですが、ChatGPTがつなげるのはインターネット上のサーバーだけです。ほかのアプリを選んでください。
選んだアプリは、この端末のCookieに保存されます。アカウントは不要です。
この設定は、作者のレジストリ登録情報から作成しています。READMEと違う場合は、READMEに従ってください。
パソコンで動くサーバーです。インストールすると、ツール一覧がAIアプリに表示されます。
誰でも見られる情報をチェックしており、コードは読んでいません。当てはまらない項目は数に入れていません。 · 2026年11月6日にチェック
レジストリ名は、リポジトリを所有するGitHubアカウント VBlackJack で確認済みです
このリポジトリはまだGitHubから読み取っていません
このリポジトリはまだGitHubから読み取っていません
これはパソコンで動くため、インターネット上のエンドポイントはありません
パソコンで動き、代わりにローカルの設定を使います
パソコンで動くサーバーです。ツール一覧を読み取れるのは、インターネット上のエンドポイントがある場合だけです
レジストリでこのカテゴリにある有効なすべてのサーバーと比較しています。スターは、公開者がリポジトリの所有者である場合だけ数えます。
当てはまる基本チェック1項目のうち1項目に合格しました。コードは読んでいません。キーやトークンを追加する前に、サーバーがどんなアクセスを求めているかを確認し、必要な権限だけを持つキーを使ってください。
入力が必要なもの:CORTEX_KB_PATH
あなたのパソコンで動きます。必要なときにAIアプリが起動し、データは作者のサーバーを通りません(サーバー自体がオンラインサービスを呼び出す場合を除きます)。
GitHubリポジトリの最終更新は–、最新バージョン(2026.1021.3)がレジストリに届いたのは16 日前です。
Claude Desktop、Claude Code、Cursor、VS CodeなどのMCP対応アプリで使えます。パソコンにPython (uv)も必要です。
同じカテゴリには:Context7, Codebase Memory, Exa
同じカテゴリで、ほかの作者が作ったサーバー。スターの多い順。
カードの見方:★ GitHubスターi3つの柱:レビュー · チェック · 利用状況i更新=最新バージョンをレジストリに公開した日i
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作者のリポジトリから書かれたとおりにコピーしたものです。PopNx MCPは内容を確認・推奨していません。HTML、画像、スクリプトは取り除いています。リンクはこのサイトの外へ移動します。
English | Français
Cortex is an MCP (Model Context Protocol) server that exposes semantic search over a local knowledge base. It lets Claude, Codex and Gemini find the right passage in your documents without wasting their context window. Search is semantic (by meaning, not keyword), in French and in English. Cortex processes and indexes the knowledge base locally without sending its content; the MCP client may still pass requested chunks to its model under its own policy. The optional Confluence writer only downloads explicitly allowlisted spaces; the generated Markdown, vector index, and lexical index remain local.
Starting with 2026.0906.01, Companion offers a guided home screen, operation history and Confluence setup from one page or space link. Connection and measured scope confirmation stay in the flow; successful collection is followed by indexing. Use the combined installer to keep Cortex and Companion compatible.
Since 2026.0909.02, Confluence updates preserve the served generation when subtree enumeration fails and apply changed target/classification settings on retry. Search uses multilingual vector retrieval by default; CLI and MCP callers can explicitly select hybrid or reranked search. The first successful collection after upgrading regenerates older publication revisions, and the following sync removes obsolete index entries.
Companion brings local documents and Confluence together in My sources, with one Update my documents action. Search previews are resizable, large page trees render visible rows, and cancelling review preparation keeps the draft. Readiness now follows the saved document folder and configuration, including after restart. Run one document update after upgrading to establish this evidence for older indexes. See the release notes.
Adding a Confluence source measures its page, subtree and whole-space scopes with one indexed count each instead of reading the space page by page. On a 5916-page space that measurement took 3 min 19 s, past the timeout of every graphical caller, so Companion showed nothing at all. It now answers in about a second, and the emitted contract is unchanged.
Two whole-space numbers shift by one as a result: the resolved page is no longer folded into the space total, and a space with no visible page reports zero rather than one. A deployment whose search endpoint returns no total cannot measure a scope and reports that as a permanent failure instead of a retryable one. See the contracts.
Paired Companion 2026.0907.00 restores the contrast of the scope window, whose options were drawn in the system text colour, and stops reporting a timeout as a connection failure or advising a delay increase that silently reverts.
The workflow includes search, remote page trees, impact review, evidence-based readiness, save-and-update, last-removal undo and recovery actions. See the contracts.
Paired version 2026.0906.02 provides visible My sources cards, a prefilled selection editor, confirmed page/space removal and browser links to originals. Removal only changes Cortex tracking; search reflects it after successful collection and indexing.
Removing the final source explicitly writes spaces = [] in a schema v2 or v3 configuration. This intentional empty allowlist permits an empty publication with tombstones for prior documents. An absent spaces key remains incomplete configuration and collection is refused. Connection and credential validation and publication safeguards still apply. Both updated components are required; this capability is absent from the installed 2026.0906.01 release.
The simplest path: one installer for Cortex, Cortex Companion, the windowless Confluence converter, and the offline models. No separate Python or .NET runtime is required.
Cortex-Setup.exe and SHA256SUMS from the latest release.Get-FileHash .\Cortex-Setup.exe -Algorithm SHA256 in PowerShell and verify that it exactly matches the Cortex-Setup.exe line in SHA256SUMS.More info, then Run anyway.Index everything in this folder, and finish. Cortex Companion opens when installation completes. Indexing only starts when you request synchronization in Companion.Settings and verify the knowledge-base folder. The Cortex executable installed with Companion is detected automatically.Local database, then select Synchronize local documents.Companion then lets you synchronize, schedule, diagnose, and configure Cortex without a terminal. Details, silent mode and reinstall: Windows install.
Every release also ships one ZIP archive per platform. It unpacks to a cortex/ folder holding the cortex or cortex.exe executable (MCP server + CLI, no Python), its runtime, and the licenses for every embedded dependency; keep the folder whole. See Standalone distribution.
py -m pip install --upgrade cortex-local-rag
cortex setup
This path installs the CLI and MCP server, but not Cortex Companion. The model is downloaded on first use if its cache is empty.
:: From the folder where you cloned Cortex
install.bat
install.bat and sync.bat are the development path for a source checkout, not a supported end-user installation: install.bat installs the unlocked dependencies from requirements.txt, and sync.bat indexes the folder section by section without the Confluence documents. To use Cortex, install Cortex-Setup.exe or a standalone archive instead. Details: Setup.
Documents folder (.md, .pdf) Optional Confluence writer (REST)
| | | current Markdown generation +------------------+-------------------+ | v cortex sync <- Split, hash, vectorize, update FTS5 | v %LOCALAPPDATA%\Cortex\ <- ChromaDB + lexical.db | v cortex serve <- MCP server (FastMCP) | v MCP clients <- Claude / Codex / Gemini / Antigravity / LM Studio / Cursor / Windsurf / VS Code
The embedding model is the multilingual ONNX paraphrase-multilingual-MiniLM-L12-v2. The Windows installer bundles it; a source installation or standalone binary downloads it when the local cache is empty.
knowledge, projects, notes).These modes govern the user-selected document folder. Generated ingestion documents are indexed separately from the current published generation with source_kind=doc and section sources.
Details: Configuration.
cortex commandThe installed package exposes a single command:
| Subcommand | Purpose |
|---|---|
cortex setup | Config + index + client registration in one go (--kb-path, --yes, --no-index, --reset). |
cortex serve | Runs the MCP server (used by clients). |
cortex sync | Incremental index synchronization. |
cortex search | Searches the index from the console (debugging aid). |
cortex ingestion | Shows source health and whether catch-up is due. |
cortex confluence | Stores the PAT interactively or runs the allowlisted writer. |
cortex config | Reads or changes configuration through an atomic JSON contract, notably for Companion. |
cortex daemon | Runs, inspects or stops the shared per-user server used when [server] mode = "shared" (opt-in). |
cortex bundle | Describes or verifies an encrypted portable archive. |
cortex doctor | Installation diagnostics (read-only). |
cortex register / cortex unregister | Adds or removes Cortex from MCP clients. |
cortex init | Creates the single per-user configuration. |
cortex check | Verifies the installation. |
cortex --help describes every subcommand and cortex --help describes its options. A prompt-free installation scripts as:
cortex setup --yes --kb-path "D:\Documents\Knowledge"
| Tool | Description |
|---|---|
cortex_search | Multilingual vector search by default; optional retrieval_mode (vector, hybrid, rerank). Parameters: query, section, top_k (1-10), source/author filters, and occurred/updated date ranges. |
cortex_sync | Triggers an incremental sync of the selected folder and, on a full sync, the current published document generation. |
cortex_list_sections | Lists included sections and "out of policy" folders. |
cortex_freshness | Read-only vault and ingestion freshness summary. Parameters: section (optional), include_entries (false by default). |
config.toml, indexing modes, sections, data home, migration.requirements.lock, --require-hashes, regenerating the lock.| Path | Requirements |
|---|---|
| Windows installer | No separate Python or .NET runtime. At least ~500 MB of space (applications, model + index). |
| Standalone archive | No Python. ~500 MB of space (model + index). |
| From source | Python 3.11 to 3.13. ~500 MB of space. |
| Client | Claude Desktop/Code, Codex, Gemini, Antigravity, LM Studio, Cursor, Windsurf or VS Code (MCP support). |
Apache 2.0. See LICENSE.
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