Claude 4.7 Is Here — But It Still Forgets Everything

TL;DR:Claude 4.7 is a major upgrade — faster output, sharper reasoning, better tool use. But it still has no built-in memory across sessions. Add persistent memory in 2 minutes with Agent-Memo so your agent remembers decisions, preferences, and project context forever.

What's new in Claude 4.7

Anthropic just released Claude 4.7, and it's a meaningful step forward for AI-assisted development. Here's what developers should know:

• Faster output — Significantly improved token generation speed, especially noticeable in Claude Code during large file edits and multi-step tasks
• Better reasoning — More reliable at complex refactoring, architecture decisions, and debugging multi-file issues
• Improved tool use — More accurate MCP tool calls with fewer retries, better parameter inference
• 1M context window — Same massive context as Claude 4.6, but now used more efficiently

If you're using Claude Code, Cursor, or Windsurf, the upgrade is automatic — your agent is already running on 4.7.

The one thing 4.7 doesn't fix

Every new Claude version improves what happens within a session. But the fundamental problem remains: when the session ends, everything is gone.

Your agent forgets that you prefer PostgreSQL over MongoDB. It forgets your API uses JWT authentication. It forgets that you like concise PRs. It forgets the architecture decisions you made last week.

This isn't a bug — it's a design limitation. Language models are stateless. No matter how smart the model gets, it starts every session from zero unless something external provides context.

CLAUDE.md files aren't enough

Many developers use CLAUDE.md files to give their agent project context. This works for basic facts, but has serious limitations:

• Manual maintenance — You have to update the file yourself every time something changes
• No semantic search — The agent reads the entire file linearly, wasting context window on irrelevant information
• No cross-project sharing — Knowledge learned in one repo stays in that repo
• No team collaboration — Your teammate's agent can't access memories you've built up
• No knowledge graph — Flat text can't capture relationships between entities

The fix: persistent cloud memory via MCP

Agent-Memo gives Claude 4.7 (and any MCP-compatible agent) persistent memory that survives across sessions, projects, and teams. Here's how it works:

1. Your agent makes a decision or learns something important
2. It calls memory_store() to save it to the cloud
3. Next session, it calls memory_recall() and gets relevant context back
4. Semantic search (BGE-M3 embeddings) finds memories by meaning, not just keywords

Everything is automatic with Claude Code hooks — memories are saved and recalled without you doing anything.

Setup: 2 minutes, 2 files

Add a .mcp.json file to your project root:

{
  "mcpServers": {
    "agent-memo": {
      "command": "npx",
      "args": ["-y", "@agent-memo/mcp-client"],
      "env": {
        "AGENTMEMO_TOKEN": "your-token"
      }
    }
  }
}

Add a .claude/settings.local.json for auto-save hooks:

{
  "hooks": {
    "SessionStart": [{
      "matcher": "startup",
      "hooks": [{ "type": "command",
        "command": "npx -y @agent-memo/mcp-client --hook recall",
        "timeout": 30 }]
    }],
    "Stop": [{
      "matcher": "*",
      "hooks": [{ "type": "command",
        "command": "npx -y @agent-memo/mcp-client --hook save",
        "timeout": 30 }]
    }]
  }
}

That's it. Your Claude 4.7 agent now has persistent memory across every session.

What Claude 4.7 + memory looks like in practice

Here's a real example. Without memory, every session starts like this:

> claude
Claude: How can I help you with this project?
You: We use PostgreSQL, JWT auth, Docker deployment...
     (repeating context for the 50th time)

With Agent-Memo, Claude 4.7 starts like this:

> claude
[SessionStart hook: recalling memories...]
Claude: Welcome back. I see this project uses PostgreSQL
with JWT auth, deployed via Docker + Nginx. Last session
we were working on the payment integration.
What would you like to continue with?

The difference is night and day. Your agent becomes a true collaborator that builds up knowledge over time, not a brilliant amnesiac.

14 memory tools, zero boilerplate

Agent-Memo provides 14 MCP tools out of the box:

• Memory: store, recall, overview, expand, update, delete, stats
• Knowledge Graph: add facts, query relationships, invalidate, timeline, stats
• Discovery: list topics, check duplicates

All accessible via MCP (for AI agents) and REST API (for your own integrations). Works with Claude Code, Cursor, Windsurf, OpenClaw, and any MCP-compatible agent.

Free to start

The free tier includes 3 projects, 1,000 memories, and 1,000 API calls per month. No credit card required. Pro starts at $9.9/mo for developers who need more. Teams and self-hosted options available for organizations.

Set up Agent-Memo in 2 minutes →