MCP.Market

Lightning Memory MCP server

by singularityjason·io.github.singularityjason/lightning-memory·v0.4.1·9 stars
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Decentralized agent memory for the Lightning economy. Nostr identity, L402 payments.

B75/100grade B
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Safety scan
B75/100

full report

Adoption
New

9 stars21 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Lightning Memory tools (9)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • ln_anomaly_check

    Check if a proposed payment amount is normal for a vendor.

  • ln_budget_status

    Check L402 gateway earnings and payment stats.

  • ln_spending_summary

    Get a spending summary for budget awareness.

  • ln_vendor_reputation

    Check a vendor's reputation based on transaction history.

  • memory_export

    Export memories as Nostr NIP-78 events.

  • memory_list

    List memories, optionally filtered by type and time range.

  • memory_query

    Search memories by relevance. Returns the most relevant matches.

  • memory_store

    Store a memory for later retrieval.

  • memory_sync

    Sync memories with Nostr relays.

Public scan report

scanner v0.1.10 · 2026-09-28 · same rubric, same numbers if you re-run it

no findings
  • Code scan17 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 187 days ago4/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Lightning Memory compares

Against every graded AI and agents MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
75/100
higher than 45% of 4,460 AI and agents servers
Tools
9
the typical AI and agents server has 6
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
GitHub stars
9
more than 83% of 2,711 AI and agents servers
Downloads a week
21
more than 7% of 1,538 AI and agents servers with a package

What its tools let an agent do: 9 read

Install Lightning Memory in Claude Code, Cursor or VS Code

claude mcp add lightning-memory -- uvx lightning-memory
Add to Cursor

What the publisher says

From the Lightning Memory repository's README, as published. We do not edit it. Read it on GitHub

Lightning Memory

Persistent memory for AI agents in the Lightning economy.

The Problem

AI agents spend sats over Lightning via L402 — but they can't remember what they bought. Every session starts from zero. Every vendor is a stranger. Every price is accepted at face value. An agent that paid 500 sats yesterday doesn't know if today's 5,000 sat invoice is a price spike or normal.

The Solution

L1: Bitcoin      — settles
L2: Lightning    — pays
L3: Lightning Memory — remembers

Lightning Memory gives agents persistent memory, vendor intelligence, and payment safety gates. Agents learn from their spending history, track vendor reputations, detect price anomalies, enforce budgets, and share trust signals with other agents.

Interactive Demo — watch an agent learn, get rugged, and route around bad actors.

Building the Agent Economy — trust, budgets, compliance, and the memory marketplace.

Who Is This For

  • Agents making L402 payments that need vendor reputation and spending discipline
  • Developers building autonomous agents on Bitcoin/Lightning
  • Anyone running an MCP-compatible AI agent (Claude, GPT, or any MCP client)

Quick Start

pip install lightning-memory
lightning-memory  # starts MCP server

Configure in Claude Code

{
  "mcpServers": {
    "lightning-memory": {
      "command": "lightning-memory"
    }
  }
}

Configure in Claude Desktop

{
  "mcpServers": {
    "lightning-memory": {
      "command": "python",
      "args": ["-m", "lightning_memory.server"]
    }
  }
}

How It Compares

Tools (22)

Memory

memory_store(
  content="Paid 500 sats to bitrefill.com for a $5 Amazon gift card via L402.",
  type="transaction",
  metadata='{"vendor": "bitrefill.com", "amount_sats": 500}'
)

memory_query(query="bitrefill payment history", limit=5)
# → recency-weighted results with dedup and contradiction alerts

Lightning Intelligence

ln_vendor_reputation(vendor="bitrefill.com")

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Lightning Memory: common questions

Is Lightning Memory MCP server safe?
Mostly: it is graded B (75/100). Read the Lightning Memory safety report
How do I install Lightning Memory?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Lightning Memory need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Lightning Memory maintained?
The last commit was 224 days ago (2026-03-25). The latest release is v0.4.1.
What can I use instead of Lightning Memory?
Servers from other publishers that do the same job: Basic Memory MCP server, IWE (iwe.md) MCP server and Memanto MCP server.
How does Lightning Memory compare with other AI and agents MCP servers?
safety score 75/100 (higher than 45% of 4,460 AI and agents servers); tools 9 (the typical AI and agents server has 6); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Lightning Memory

Same job from other publishers: the closest match first, then the best rated.

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