Instructions for using Lore, a persistent memory system connected through MCP tools, during coding sessions. It stores useful context such as lessons, decisions, preferences, and session snapshots.

Use it to recall related past problems, record solutions and decisions, query connected knowledge, and save a session checkpoint.

It helps an agent recover recent context, reuse knowledge from earlier work, and preserve important information when a session becomes large or ends.

How agentkitai/lore configures Cursor

Reuse

Borrowing it

Nothing to install: this file belongs to agentkitai/lore. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/agentkitai/lore/main/.cursorrules

Clone the repo

git clone --depth 1 https://github.com/agentkitai/lore

Made for: Cursor.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/rules/agentkitai/lore/cursorrules/github.svg)](https://agentmods.dev/rules/agentkitai/lore/cursorrules)

Your own site

<a href="https://agentmods.dev/rules/agentkitai/lore/cursorrules"><img src="https://agentmods.dev/badge/rules/agentkitai/lore/cursorrules/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/rules/agentkitai/lore/cursorrules"><img src="https://agentmods.dev/badge/rules/agentkitai/lore/cursorrules.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 279 This file is loaded in full into every session.

When invoked 279 The same file — it is already loaded in full.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00279	$0.00279
Opus 5.5	$0.00112	$0.00112
Sonnet 5.5	$0.00056	$0.00056
Haiku 4.5	$0.00028	$0.00028

Measured 2mo ago against content hash 4348ec9b2f4e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

cursorrules scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.cursorrules · 29 lines

What it actually says

Lore — Persistent Memory (MCP)

You have access to Lore, a persistent memory system, via MCP tools.

Session Start

Call recent_activity(hours=24) at the beginning of each session to load recent context.

During Work

Before debugging something that feels familiar: recall("describe the problem")
After solving a non-obvious bug: remember("problem + solution", type="lesson")
Key decisions or preferences: remember("what was decided", type="note")
Check knowledge graph: graph_query("topic") or entity_map("name")

Auto-Compaction Protection

Lore automatically snapshots your session when context grows large (30k chars). You can also manually save state: save_snapshot(content="current state summary")

Memory Types

Use type parameter with remember: lesson, fact, preference, pattern, convention, note.

Key Tools

recall(query) — semantic search across all memories
remember(content, type) — save something worth keeping
recent_activity(hours) — recent session context
save_snapshot(content) — checkpoint current state
topics() — browse auto-generated topic hubs
graph_query(query) — explore knowledge graph
on_this_day() — memories from this date in past years

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

2mo ago First seen · 29 lines · 279 tokens per session scan A 4348ec9b2f4e

Subscribe to this mod's changes

cursorrules is a cursor rule published in the GitHub repository agentkitai/lore (10 stars, last pushed 5d ago), licensed MIT. It adds 279 tokens to every session, about $0.0011 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Memory and context Python ai-agents cross-agent knowledge-graph mcp

cursorrules next to 6 cursor rules from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
cursorrulesagentkitai/lore	Cursor rule	10	5d ago	MIT	A	279	Cursor
mempalace-recall-alwaysMemPalace/mempalace	Cursor rule	60k	yesterday	MIT	A	260	Cursor
04-spatial-parserMarcoPorcellato/matryca-plumber	Cursor rule	101	yesterday	Apache-2.0	A	0	Cursor
02-python-standardsMarcoPorcellato/matryca-plumber	Cursor rule	101	yesterday	Apache-2.0	A	0	Cursor
jarvis-agent-rulesSzesnasty/Jarvis	Cursor rule	13	1mo ago	Apache-2.0	A	724	Cursor
session-memorymajor7apps/pensyve	Cursor rule	99	yesterday	none	A	22	Cursor
cursor-rulesMatthewSherlin/mushroomdb	Cursor rule	5	today	none	A	1,337	Cursor

lore: Cursor rule for Cursor