Power your agent
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A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.
เปิดจากผู้เผยแพร่
Sema is an agentic code engine. It indexes your repository once, locally, then puts that index in front of whichever model you point it at — so every provider starts out already knowing your code, and you can switch provider and model mid-conversation without losing the thread.
Local semantic code index and MCP server for Claude Code, Codex, and opencode. Includes semantic search, reuse checks, impact analysis, and a VS Code chat and agent supporting local CLIs and API providers—all powered by tree-sitter, SBERT, and ChromaDB.
It runs in three places, and they share one index and one session:
Use one, or all three.
Experimental · macOS and Linux · Requires Python 3.11+ · Nothing leaves your machine. Disclaimer
1. Install the CLI (bootstraps uv + Python if needed):
curl -fsSL https://raw.githubusercontent.com/get-sema/sema/main/install.sh | sh
2. Index your project and register your AI CLIs:
cd your-project
sema index . # build the local semantic index
sema setup # register with every detected client: Claude Code, Codex, opencode, Grok Build, Cursor
3. Pick a surface:
sema chat # the terminal agent (needs the chat extra — see below)
…or install the VS Code extension (search "sema" in the Extensions view). Its Manage panel does everything the CLI does — index, register, update — in a click.
Want just the extension, or just the index? Both work standalone. Installation guide →
Five local CLIs reuse the subscription you already pay for — no API key, no re-login. Six API providers need one key each.
AvalAI (api.avalai.ir) is an OpenAI-compatible gateway to Claude, GPT,
Gemini, Grok, and open models that stays reachable from networks where the vendor
APIs are blocked — keep it configured as the escape hatch for an internet outage.
It covers the API path only: the local CLIs still talk to their own vendors.
Provider, model, and reasoning effort are all switchable inside a running conversation — the history, the index, and your redaction and guard settings carry over. Start on the subscription you pay for, finish on a cheap (or free) model.
Cursor is great — it's also a subscription and a walled garden. Claude Code and Codex are great too, but they lock you to one model per session, and they start every session cold: burning tokens just navigating before they answer anything.
Sema indexes your code once, locally. Your assistant searches that index instead
— typically 4–11× fewer tokens per question. And check_reuse() tells it
whether a helper already exists before it writes a fourth one.
The index is built from tree-sitter ASTs for TypeScript, JavaScript, Python and
Go (text-aware for everything else), embedded locally with all-MiniLM-L6-v2,
and searched as a hybrid of semantic similarity and BM25. No API keys, no
network. Supported languages →
sema chat — the terminal agentA full coding agent in your terminal, on the same index:
uv sync --extra chat # or: pip install 'sema-mcp[chat]'
cd your-project
sema chat
sema chat --print "where is auth handled?" # one-shot, for scripts
sema chat --resume <session_id> # pick a conversation back up
sema chat --mode plan # read-only + a plan artifact
ask (no tools, just conversation), plan (read-only
tools), agent (reads, writes, and runs commands). Shift+Tab cycles them./provider, /model, /effort, /search, /reuse,
/impact, /index, /devops, /cost, /sessions, and more. Press /.--yes auto-approves for unattended runs.Eight code-intelligence tools, over MCP or in-chat:
Redaction. Opt-in scrubbing of secrets and PII before a request leaves your
machine — private keys, JWTs, API keys (OpenAI, Anthropic, Stripe, GitHub,
Slack, AWS, Google), emails, Luhn-validated card numbers, SSNs, and phone
numbers, by regex; names and locations via local spaCy NER when the pii extra
is installed. Toggle it in the extension's chat panel; preview any string with
sema redact (reads STDIN only, so nothing lands in your shell history).
pip install 'sema-mcp[pii]' && python -m spacy download en_core_web_sm
echo "text" | sema redact
Agent permissions. Claude Code and Codex pause protected actions for an inline Allow / Reject decision in the chat, or run in a clearly marked bypass mode inside a trusted sandbox. Each provider keeps its own choice.
DevOps guard. Point an AI at kubectl, Terraform, AWS CLI, or Helm and sema
sits in between. Every command is classified and secret-redacted before it
runs, never after:
terraform destroy, force-deletes, deleting a
cluster-critical namespace, root-account deletion: refused outright, no
exceptions.Enforcement is not documentation — sema devops install-shims puts wrappers on
your PATH that fail closed if sema isn't reachable. Everything lands in an
append-only, redacted audit log.
sema devops install-shims # put the guard on PATH
sema devops pending # what's waiting for you
sema devops approve <id> # release one held command
sema devops log # the audit trail
sema update --check # show installed Claude/Codex/opencode/Grok versions
sema update # run every installed agent's official updater
sema update --provider codex # update one agent only (repeatable)
sema self-update # update sema itself
The extension exposes the same workflow under Manage → Update agent CLIs…. Reload VS Code afterwards so its model picker reflects the installed CLI.
Start here: Installation · sema for VS Code · Terminal app · CLI reference
MIT — see LICENSE. Copyright (c) 2026 Masih Moloodian.
Masih Moloodian · [email protected] · Issues
Local semantic code index and MCP server for Claude Code, Codex, and opencode. Includes semantic search, reuse checks, impact analysis, and a VS Code chat and agent supporting local CLIs and API provi
ภาพรวม
Local semantic code index and MCP server for Claude Code, Codex, and opencode. Includes semantic search, reuse checks, impact analysis, and a VS Code chat and agent supporting local CLIs and API providers—all powered by tree-sitter, SBERT, and ChromaDB.
เครื่องมือ
ยังไม่มีรายการเครื่องมือ เซิร์ฟเวอร์แบบรีโมตจะได้รายการหลังการตรวจสอบสถานะครั้งแรก
FAQ
คัดลอกคอนฟิก stdio สำหรับ Cursor, Claude Desktop, Claude Code หรือ VS Code ได้ในหน้านี้ คอนฟิกนี้ใช้การติดตั้งของผู้เผยแพร่ ไม่ใช่พร็อกซีของ PlugMCP
ระเบียนนี้ไม่ได้ระบุตัวแปรสภาพแวดล้อมที่จำเป็น
Sema ทำงานแบบโลคัลผ่าน stdio
ตรวจสอบล่าสุดเมื่อ 2026-11-05 Local semantic code index and MCP server for Claude Code, Codex, and opencode. Includes semantic search, reuse checks, impact analysis, and a VS Code chat and agent supporting local CLIs and API providers—all powered by tree-sitter, SBERT, and ChromaDB.