{"adoption": {"forks": 7523, "observed_at": "2026-08-28T04:12:18.628787+00:00", "stars": 58666}, "canonical_url": "https://ross.abutalabs.com/products/mempalace", "card": {"archived": false, "artifact_type": "cli-tool", "description": "The best-benchmarked open-source AI memory system. And it's free.", "domain": ["artificial-intelligence", "large-language-models", "developer-tools", "privacy", "self-hosted"], "enriched": true, "function": ["rag", "vector-database", "search-engine", "mcp", "cli", "llm-inference"], "health_score": 100, "homepage": "http://mempalaceofficial.com/", "language": "Python", "license": "MIT", "license_family": "permissive", "maturity": "active", "member_repos": ["MemPalace/mempalace"], "name": "MemPalace/mempalace", "platform": ["python", "cli", "windows", "cross-platform", "self-hosted"], "pushed_at": "2026-08-26T09:13:28+00:00", "repo": "MemPalace/mempalace", "stars": 58666, "tags": ["ai-memory", "long-term-memory", "conversation-history", "semantic-search", "chromadb", "local-first", "verbatim-storage", "method-of-loci", "claude-code", "chatgpt-exports", "privacy-preserving", "no-api-key", "retrieval-augmented-generation", "ai-agents", "linux", "macos"], "topics": ["ai", "chromadb", "llm", "mcp", "memory", "python"], "urls": [], "use_cases": ["give my AI assistant long-term memory of past conversations", "search my Claude and ChatGPT chat history locally", "store project files and notes in a searchable memory index", "add persistent memory to Claude Code sessions", "run a local RAG memory store without API keys", "retrieve exact verbatim past conversations for an LLM", "index chat exports from Slack and ChatGPT for semantic search"], "what_it_is": "MemPalace is a local-first AI memory system that stores conversation history and project files as verbatim text and retrieves them via semantic search using a pluggable vector backend (default ChromaDB). It organizes memories into a hierarchical 'memory palace' structure (wings, rooms, closets, drawers) with a symbolic index, ships as a Python CLI, and requires no API key.", "when_to_avoid": ["you need a hosted or multi-user cloud memory service", "you want summarized or compressed memories rather than verbatim storage", "you need native Android/Termux support without a PRoot container", "you need a backend other than vector search without writing a plugin"], "when_to_choose": ["you want verbatim, privacy-preserving local memory with no API calls", "you need scoped retrieval over long conversation history (people/projects/topics)", "you want an MCP-integrated memory for Claude Code or similar agents", "you prefer a pluggable vector backend and MIT-licensed open source"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/mempalace", "repo": "MemPalace/mempalace", "role": "main", "score": 81}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:12:18.628787+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T16:18:19.608366+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "713d262df626801e6feedfc92fa92d215bb4798168173acfc34519ece4aa6806", "fetched_at": "2026-08-28T04:12:18.628787+00:00", "kind": "readme", "missing": false, "url": "https://github.com/MemPalace/mempalace"}, {"content_hash": "1a96075ab7756e5de941023d5ac189683ab68682e42bc6dd7adce07b1097db09", "fetched_at": "2026-08-28T18:01:22.223488+00:00", "kind": "homepage", "missing": false, "url": "http://mempalaceofficial.com/"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.232253+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started.html"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.234088+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started"}, {"content_hash": "a9e8ee6dce1d7c92c4a477fcb3548b09f2f4c3beedc0b94ccbe2af4ab1f11123", "fetched_at": "2026-08-28T18:01:22.235655+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/mempalace/json"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:12:18.628787+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T16:18:19.608366+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "713d262df626801e6feedfc92fa92d215bb4798168173acfc34519ece4aa6806", "fetched_at": "2026-08-28T04:12:18.628787+00:00", "kind": "readme", "missing": false, "url": "https://github.com/MemPalace/mempalace"}, {"content_hash": "1a96075ab7756e5de941023d5ac189683ab68682e42bc6dd7adce07b1097db09", "fetched_at": "2026-08-28T18:01:22.223488+00:00", "kind": "homepage", "missing": false, "url": "http://mempalaceofficial.com/"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.232253+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started.html"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.234088+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started"}, {"content_hash": "a9e8ee6dce1d7c92c4a477fcb3548b09f2f4c3beedc0b94ccbe2af4ab1f11123", "fetched_at": "2026-08-28T18:01:22.235655+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/mempalace/json"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T16:18:19.608366+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "713d262df626801e6feedfc92fa92d215bb4798168173acfc34519ece4aa6806", "fetched_at": "2026-08-28T04:12:18.628787+00:00", "kind": "readme", "missing": false, "url": "https://github.com/MemPalace/mempalace"}, {"content_hash": "1a96075ab7756e5de941023d5ac189683ab68682e42bc6dd7adce07b1097db09", "fetched_at": "2026-08-28T18:01:22.223488+00:00", "kind": "homepage", "missing": false, "url": "http://mempalaceofficial.com/"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.232253+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started.html"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.234088+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started"}, {"content_hash": "a9e8ee6dce1d7c92c4a477fcb3548b09f2f4c3beedc0b94ccbe2af4ab1f11123", "fetched_at": "2026-08-28T18:01:22.235655+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/mempalace/json"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:12:18.628787+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:12:18.628787+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:12:18.628787+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T16:18:19.608366+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "713d262df626801e6feedfc92fa92d215bb4798168173acfc34519ece4aa6806", "fetched_at": "2026-08-28T04:12:18.628787+00:00", "kind": "readme", "missing": false, "url": "https://github.com/MemPalace/mempalace"}, {"content_hash": "1a96075ab7756e5de941023d5ac189683ab68682e42bc6dd7adce07b1097db09", "fetched_at": "2026-08-28T18:01:22.223488+00:00", "kind": "homepage", "missing": false, "url": "http://mempalaceofficial.com/"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.232253+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started.html"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.234088+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started"}, {"content_hash": "a9e8ee6dce1d7c92c4a477fcb3548b09f2f4c3beedc0b94ccbe2af4ab1f11123", "fetched_at": "2026-08-28T18:01:22.235655+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/mempalace/json"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:12:18.628787+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:12:18.628787+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T16:18:19.608366+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "713d262df626801e6feedfc92fa92d215bb4798168173acfc34519ece4aa6806", "fetched_at": "2026-08-28T04:12:18.628787+00:00", "kind": "readme", "missing": false, "url": "https://github.com/MemPalace/mempalace"}, {"content_hash": "1a96075ab7756e5de941023d5ac189683ab68682e42bc6dd7adce07b1097db09", "fetched_at": "2026-08-28T18:01:22.223488+00:00", "kind": "homepage", "missing": false, "url": "http://mempalaceofficial.com/"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.232253+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started.html"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.234088+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started"}, {"content_hash": "a9e8ee6dce1d7c92c4a477fcb3548b09f2f4c3beedc0b94ccbe2af4ab1f11123", "fetched_at": "2026-08-28T18:01:22.235655+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/mempalace/json"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:12:18.628787+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:12:18.628787+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:12:18.628787+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T16:18:19.608366+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "713d262df626801e6feedfc92fa92d215bb4798168173acfc34519ece4aa6806", "fetched_at": "2026-08-28T04:12:18.628787+00:00", "kind": "readme", "missing": false, "url": "https://github.com/MemPalace/mempalace"}, {"content_hash": "1a96075ab7756e5de941023d5ac189683ab68682e42bc6dd7adce07b1097db09", "fetched_at": "2026-08-28T18:01:22.223488+00:00", "kind": "homepage", "missing": false, "url": "http://mempalaceofficial.com/"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.232253+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started.html"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.234088+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started"}, {"content_hash": "a9e8ee6dce1d7c92c4a477fcb3548b09f2f4c3beedc0b94ccbe2af4ab1f11123", "fetched_at": "2026-08-28T18:01:22.235655+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/mempalace/json"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:12:18.628787+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:12:18.628787+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T16:18:19.608366+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "713d262df626801e6feedfc92fa92d215bb4798168173acfc34519ece4aa6806", "fetched_at": "2026-08-28T04:12:18.628787+00:00", "kind": "readme", "missing": false, "url": "https://github.com/MemPalace/mempalace"}, {"content_hash": "1a96075ab7756e5de941023d5ac189683ab68682e42bc6dd7adce07b1097db09", "fetched_at": "2026-08-28T18:01:22.223488+00:00", "kind": "homepage", "missing": false, "url": "http://mempalaceofficial.com/"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.232253+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started.html"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.234088+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started"}, {"content_hash": "a9e8ee6dce1d7c92c4a477fcb3548b09f2f4c3beedc0b94ccbe2af4ab1f11123", "fetched_at": "2026-08-28T18:01:22.235655+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/mempalace/json"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T16:18:19.608366+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "713d262df626801e6feedfc92fa92d215bb4798168173acfc34519ece4aa6806", "fetched_at": "2026-08-28T04:12:18.628787+00:00", "kind": "readme", "missing": false, "url": "https://github.com/MemPalace/mempalace"}, {"content_hash": "1a96075ab7756e5de941023d5ac189683ab68682e42bc6dd7adce07b1097db09", "fetched_at": "2026-08-28T18:01:22.223488+00:00", "kind": "homepage", "missing": false, "url": "http://mempalaceofficial.com/"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.232253+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started.html"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.234088+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started"}, {"content_hash": "a9e8ee6dce1d7c92c4a477fcb3548b09f2f4c3beedc0b94ccbe2af4ab1f11123", "fetched_at": "2026-08-28T18:01:22.235655+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/mempalace/json"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T16:18:19.608366+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "713d262df626801e6feedfc92fa92d215bb4798168173acfc34519ece4aa6806", "fetched_at": "2026-08-28T04:12:18.628787+00:00", "kind": "readme", "missing": false, "url": "https://github.com/MemPalace/mempalace"}, {"content_hash": "1a96075ab7756e5de941023d5ac189683ab68682e42bc6dd7adce07b1097db09", "fetched_at": "2026-08-28T18:01:22.223488+00:00", "kind": "homepage", "missing": false, "url": "http://mempalaceofficial.com/"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.232253+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started.html"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.234088+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started"}, {"content_hash": "a9e8ee6dce1d7c92c4a477fcb3548b09f2f4c3beedc0b94ccbe2af4ab1f11123", "fetched_at": "2026-08-28T18:01:22.235655+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/mempalace/json"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T16:18:19.608366+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "713d262df626801e6feedfc92fa92d215bb4798168173acfc34519ece4aa6806", "fetched_at": "2026-08-28T04:12:18.628787+00:00", "kind": "readme", "missing": false, "url": "https://github.com/MemPalace/mempalace"}, {"content_hash": "1a96075ab7756e5de941023d5ac189683ab68682e42bc6dd7adce07b1097db09", "fetched_at": "2026-08-28T18:01:22.223488+00:00", "kind": "homepage", "missing": false, "url": "http://mempalaceofficial.com/"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.232253+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started.html"}, {"content_hash": "38c0c97b099d364af1a556344923b31f29ff0627298b3b24e22f5760de9a657e", "fetched_at": "2026-08-28T18:01:22.234088+00:00", "kind": "site_page", "missing": false, "url": "http://mempalaceofficial.com/guide/getting-started"}, {"content_hash": "a9e8ee6dce1d7c92c4a477fcb3548b09f2f4c3beedc0b94ccbe2af4ab1f11123", "fetched_at": "2026-08-28T18:01:22.235655+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/mempalace/json"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 10, "rhythm": 99}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["young"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 151, "days_push": 7, "days_rel": 10, "gap_med": 6, "n_releases_24m": 16}, "score": 81, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}