Longform Memory MCP
longform-memory-mcp · by emberspun
MCP server giving your AI writing assistant a constant-size memory of a long document. Chapter 1000 costs the same tokens as chapter 10. Local-only: no account, no API key, no network.
No known CVEs
MIT license
Actively maintained
Last commit 11d ago
Works with most clients
Transport: stdio, sse, http
0 tools
Grade F
MCPpedia last refreshed this data
Longform Memory MCP is an MCP server that MCP server giving your AI writing assistant a constant-size memory of a long document. Chapter 1000 costs the same tokens as chapter 10. Local-only: no account, no API key, no network. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 62/100 on MCPpedia's security, maintenance and efficiency rubric.
Step 1
Install in your client
Config is the same across clients — only the file and path differ.
CD
Supported in Claude Desktopstdio, sse, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"longform-memory": {
"env": {
"LONGFORM_MEMORY_PROJECT": "my-novel"
},
"args": [
"-y",
"longform-memory-mcp"
],
"command": "npx"
}
}
}Are you the author?
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What Longform Memory MCP does
Your AI writing assistant remembers chapter 3 when it writes chapter 300 — and the prompt never gets bigger.
Test This Server
This server supports HTTP transport. Be the first to test it — help the community know if it works.
Scored, not listed
Why this score
Five weighted categories — click any category to see the underlying evidence.
Score breakdown
62/100across 5 weighted dimensions
0255075100
23
14
15
10
−38
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
Checked longform-memory-mcp against OSV.dev.
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Frequently Asked Questions
- Is Longform Memory MCP safe to use?
- Longform Memory MCP has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
- How do I install Longform Memory MCP?
- Longform Memory MCP supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What AI clients work with Longform Memory MCP?
- Longform Memory MCP is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
- Is Longform Memory MCP actively maintained?
- Longform Memory MCP is actively maintained — last commit was 11 days ago. It has 1 GitHub stars.
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