MCP Server Directory

n24q02m/mnemo-mcp

Persistent memory with SQLite hybrid search (FTS5 and semantic), built-in Qwen3 embeddings and rclone sync across machines.

vishalbanwari26/mnemos

Persistent memory with swappable Postgres/pgvector, Qdrant or Neo4j backends, adaptive retrieval weighting, duplicate merging and stale-fact archiving.

KVANTRA-dev/NOUZ-MCP

Semantic knowledge graph for Obsidian with graph, classification and hierarchy modes, local embeddings, semantic bridge discovery and drift detection.

bitbonsai/mcp-obsidian

Safe read/write access to Obsidian vaults: search, batch operations, tag management and frontmatter handling.

dot-RealityTest/obsidian-codex-mcp

Local Obsidian vault access working directly on Markdown files without the Obsidian app or plugins, with read-only mode, backup-on-write and path isolation.

Cited home water treatment answers: diagnose a water problem, size a softener, and match replacement parts.

dcostenco/prism-mcp

Local SQLite agent memory with a web dashboard, session rewind/replay, cross-client memory sharing, morning briefings and progressive context loading.

hannesrudolph/mcp-ragdocs

Retrieve and process documentation through vector search to augment responses with relevant documentation context.

Search and read reviewed Hebrew AI-agent task recipes, with available full English versions. Read-only.

Scento Perfume API (MCP server)

Perfume portraits, raw materials, scent pairings and occasion edits, with a scento.com page on every answer.

0spoon/seamless

Local-first shared memory and task coordination for AI coding agents, stored as Markdown files.

yuelinghuashu/story-cli

Git-native Markdown content CLI: search, read, write and govern story, paper and note repos, generate READMEs, export EPUB and prepare training data.

Persistent encrypted agent memory with semantic recall and cross-agent continuity.

Bible passages with evidence labels, cross references, and real Christian communities near you.

nworks3d/THOR-memory-bible-for-AI

Local memory for coding agents where rules with machine-checkable proofs block matching commands, plus an append-only event log and per-project scoping.

Read and search the Urantia Papers by reference, keyword, or meaning, with named entities and Bible cross-references.

Your own profile and files as AI context; anonymous access gets metadata only.

Local-first agent memory and session continuity: durable recall, handoffs, and signed continuity receipts.

ahmetakyurt/zipmem-mcp

Local long-term memory for terminal coding agents: blueprints, code anchors and distilled lessons in one JSON file, restoring project context across sessions.

eddyflores100-lang/alethech

Verifiable Ed25519-signed agent memory chain with fail-closed verification; offline-first TF-IDF recall (zero LLM tokens at runtime), artifact audit, durable snapshots with zero secret leakage, and a measured 42-second disaster-recovery drill.

jessedu29260-netizen/booboo

View and query your AI system (agents, memory, knowledge, automations) as a 3D knowledge graph: stats, search, node details, neighbors and pathfinding.

goyohan0611-png/graph-mind

One local memory shared by every coding agent and model on your PC: every conversation saved verbatim with zero LLM calls, recalled as a ~3k-token evidence packet (88.8% on LongMemEval), secrets masked, shareable across your PCs.

lets-order-some-fries/loreweave

Temporal memory for markdown vaults: bitemporal facts, entity timelines, spaced-repetition review and hybrid graph search, with no LLM calls in the core.

lumayapartners/memini

Local-first project memory and guardrails for coding agents: records failed attempts, fragile files and decisions per repo and warns before repeated mistakes.

irisxc4/memoryguard

Local-first governed shared memory for coding agents with CLI and desktop console: classify, dedupe, supersede, quarantine and roll back memories.

Piccolo123/url-manager-mcp

Bookmark and knowledge manager where agents save web pages and auto-categorize them into collections with search, tags and shared folders.

Browse and fetch 632 open-source agent templates; bring your own LLM key.

Search sourced playbooks for real jobs done with AI agents: prompts, steps, checkpoints, known failures and fixes.

Timestamp and verify evidence on-chain; let your agent prove what it saw and when.

Read-only shared agent context with sources and conditions, plus plans for recovering from task constraints.

Search and cite Alicia’s notes on WebGPU, three.js, Houdini, glTF, OpenUSD and AI workflows.

Search models, datasets, and Spaces, and call Space APIs.

Cross-AI persistent memory for ChatGPT, Claude, Codex and other MCP clients: one user-scoped vault. OAuth unlocks it.

Dated, source-linked AI-engineering archive: what changed since a date, topic briefs, forecasts with a track record.

Publish, recall and update persistent private HTML pages at a personal address; publishing needs OAuth.

Community of human-agent pairs: seek Cards other pairs wrote from real work, store your own, report what worked.

Reuse verified results and pitfalls other agents already published, before doing the work yourself.

Search prior debugging experience, inspect evidence and failed attempts; free public reading without signup.

Dated historical events, each a verbatim sentence from a cited Wikipedia revision, searchable by year, day or subject.

Open, people-curated knowledge library: 1M+ Korean places, people and works, no signup or key.

Search Sanskrit scripture by meaning, read verses and look up terms, with citations and honest "no answer".

Source-backed timelines of tech, economy and gaming events, with the quote behind each entry.

Shared public warehouse for agents: search, fetch and store reusable knowledge, no signup and no key required.

Dw-Dwain/Ace-Context-MCP

Local-first memory for AI chats: save context in one chat, load it in any other via MCP.

Kylewilson04/acta-mcp

Verifiable agent memory with signed ledger receipts — verify every write offline.

raskolnikovdd/adaptive-memory-graph

Persistent memory for Claude via weighted, interconnected knowledge nodes.

anishchugh05/Aether-Cache-Redis-Compatible-Vector-Store

Shared local memory for AI coding tools that stays true to your code.

probityai/agent-evidence-mcp

Offline, read-only tools that verify AI claims against evidence and replay conformance vectors.