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Memsearch

by zilliztech · zilliztech/memsearch

Unified semantic memory across Claude Code, OpenClaw, OpenCode, Codex — Markdown source files, Milvus-backed retrieval.

Memsearch is Zilliz's plugin/skill for persistent agent memory. Files are plain Markdown so you can read/edit them; Milvus provides the semantic-search layer. Works across multiple agent harnesses.

Why use it

Key features

Live Demo

What it looks like in practice

ready

Install

Pick your client

~/Library/Application Support/Claude/claude_desktop_config.json  · Windows: %APPDATA%\Claude\claude_desktop_config.json
{
  "mcpServers": {
    "memsearch-skill": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/zilliztech/memsearch"
      ],
      "_inferred": true
    }
  }
}

Open Claude Desktop → Settings → Developer → Edit Config. Restart after saving.

~/.cursor/mcp.json · .cursor/mcp.json
{
  "mcpServers": {
    "memsearch-skill": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/zilliztech/memsearch"
      ],
      "_inferred": true
    }
  }
}

Cursor uses the same mcpServers schema as Claude Desktop. Project config wins over global.

VS Code → Cline → MCP Servers → Edit
{
  "mcpServers": {
    "memsearch-skill": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/zilliztech/memsearch"
      ],
      "_inferred": true
    }
  }
}

Click the MCP Servers icon in the Cline sidebar, then "Edit Configuration".

~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "memsearch-skill": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/zilliztech/memsearch"
      ],
      "_inferred": true
    }
  }
}

Same shape as Claude Desktop. Restart Windsurf to pick up changes.

~/.continue/config.json
{
  "mcpServers": [
    {
      "name": "memsearch-skill",
      "command": "git",
      "args": [
        "clone",
        "https://github.com/zilliztech/memsearch"
      ]
    }
  ]
}

Continue uses an array of server objects rather than a map.

~/.config/zed/settings.json
{
  "context_servers": {
    "memsearch-skill": {
      "command": {
        "path": "git",
        "args": [
          "clone",
          "https://github.com/zilliztech/memsearch"
        ]
      }
    }
  }
}

Add to context_servers. Zed hot-reloads on save.

claude mcp add memsearch-skill -- git clone https://github.com/zilliztech/memsearch

One-liner. Verify with claude mcp list. Remove with claude mcp remove.

Use Cases

Real-world ways to use Memsearch

Share memory across multiple coding agents

👤 Claude Code users ⏱ ~15 min intermediate

When to use: You use Claude Code AND Codex and want a single memory.

Flow
  1. Install
    /plugin install memsearch (or pip).✓ Copied
    → Plugin active
  2. Init
    memsearch config init.✓ Copied
    → Config saved
  3. Use
    remember/recall from any agent harness.✓ Copied
    → Shared memory

Outcome: Memory persists across agents — no re-explaining.

Combinations

Pair with other MCPs for X10 leverage

memsearch-skill + arscontexta

Use Ars Contexta's architecture as memsearch sources

Combine memsearch-skill with arscontexta: Use Ars Contexta's architecture as memsearch sources✓ Copied

Tools

What this MCP exposes

ToolInputsWhen to callCost
remember / recall / search (see docs) Three flows 1 call

Cost & Limits

What this costs to run

API quota
Local + Milvus
Tokens per call
Recall is small
Monetary
Free OSS
Tip
Run Milvus in Docker locally; cloud is overkill for personal use

Security

Permissions, secrets, blast radius

Minimum scopes: fs-read fs-write
Credential storage: Markdown + Milvus DB
Data egress: Local Milvus by default

Troubleshooting

Common errors and fixes

Recall misses

Reindex; or tighten chunk size

Alternatives

Memsearch vs others

AlternativeWhen to use it insteadTradeoff
stash-mcpYou want a tiny Go binaryNo Milvus scale

More

Resources

📖 Read the official README on GitHub

🐙 Browse open issues

🔍 Browse all 400+ MCP servers and Skills