How do I install the delx mcp server?

Use a recorded configuration for your client, replace example credential values and paths, and verify the documented runtime. Restart or reconnect the client, then inspect the available tools.

What credentials does it need?

It reads `DELX_MEMORY_PATH`, `DELX_MEMORY_HOST` from the environment. Store these in your client's env block or a secrets manager — never commit them to a repository — and grant the narrowest scope that still covers your use case.

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Delx MCP Server

Local-first persistent memory MCP: shared SQLite key/value store, searchable, TTL-aware, secret-safe

Local serverstdio

What is the Delx MCP Server?

Local-first persistent memory MCP: shared SQLite key/value store, searchable, TTL-aware, secret-safe

What it actually does

Every chat client has its own ephemeral context. Quit the tab → preferences gone. Switch from Claude Desktop to Cursor → starting from scratch. Pin a side project in Hermes → invisible to the next agent.

8 MCP tools — 4 read-only, 4 mutating
SQLite at ~/.delx-memory/db.sqlite (0700 dir, 0600 file)
Secret-blocking — refuses to store credential-shaped keys or values
TTL support (lazy expiry on read)
Tags + prefix filters + FTS5 full-text search (bm25 ranking, stemming, diacritic folding; LIKE fallback if FTS5 is unavailable)
Mutations require explicit_user_intent: true so over-eager agents can't silently rewrite your context

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

How to install the Delx MCP Server

{
  "mcpServers": {
    "delx-memory": {
      "command": "npx",
      "args": ["-y", "will"],
      "env": {
        "DELX_MEMORY_PATH": "your-value",
        "DELX_MEMORY_HOST": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

Variable	Description	Required
DELX_MEMORY_PATH	Filesystem location the server is allowed to use.	Optional
DELX_MEMORY_HOST	Endpoint or connection string the server talks to.	Optional

Example prompts to try

“Use Delx to Cursor.”
“Use Delx to Hermes.”
“Use Delx to OpenClaw.”

Frequently asked questions

Local-first persistent memory MCP: shared SQLite key/value store, searchable, TTL-aware, secret-safe Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.