I built persistent AI memory for Claude on Cloudflare's free tier
Rahil Pirani developed a persistent AI memory solution for Claude using Cloudflare's free tier. The system allows for memory retention across sessions, enhancing productivity by eliminating the need to reintroduce context daily. It utilizes a self-hosted MCP server and various technologies to manage and store data efficiently.
- ▪The solution is called second-brain-cloudflare and operates entirely on Cloudflare's free tier.
- ▪It employs a tag-based time-decay reranking system to prioritize more recent memories.
- ▪The system includes features like duplicate detection and temporal recall for improved memory management.
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Story provenance
Source · retrieval · rights · ranking — open for full record
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Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | DEV.to (Top) |
| Canonical URL | https://dev.to/rahil_pirani_c48446facc8c/i-built-persistent-ai-memory-for-claude-on-cloudflares-free-tier-12kc |
| Publication time | Wed, 20 May 2026 04:45:51 +0000 |
| Retrieval time | 2026-05-20T05:04:59.770Z |
| Last seen | 2026-05-20T05:04:59.770Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | nNJZb35VB52l |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3922851) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Rahil Pirani Posted on May 20 I built persistent AI memory for Claude on Cloudflare's free tier #ai #cloudflare #productivity #opensource Every Claude session starts fresh. You copy context, explain your setup, reintroduce your project, and then do it all over again the next day. I got tired of this and created a solution. second-brain-cloudflare is a self-hosted MCP server that provides Claude, ChatGPT, Cursor, and any MCP-compatible client with persistent memory across sessions.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at DEV.to (Top).
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