Database MCP servers

Cerefox — user-owned shared memory for AI agents. CLI + stdio MCP server + web UI + ingestion for a knowledge base on your own Supabase project (or fully self-hosted with Cerefox Local).

Turns your task manager into agent memory with hybrid retrieval over TickTick or an Obsidian vault, without a separate vector database.

Self-hosted Obsidian server: semantic and full-text search on PostgreSQL/pgvector, wikilink graph traversal, atomic note CRUD and a self-describing vault guide.

Crawl and analyse websites for SEO errors using Crawlee with SQLite storage

Evidence-grounded agent memory with mandatory provenance, on local SQLite or Cloudflare D1

Memory database for LLM agents — persistent semantic + keyword memory, project namespacing, served o

Microsoft Dataverse: entity CRUD, FetchXML and OData queries, metadata inspection, workflow execution, audit logs and Power Platform integration.

Local-first cross-agent memory in one SQLite file with a layered structure, Ebbinghaus-style forgetting and detection of code drifting from past decisions.

Persistent local memory for Claude Code: indexes all sessions verbatim into SQLite and ChromaDB for semantic recall across your history, with no API calls.

Self-hosted email search: syncs IMAP mailboxes into PostgreSQL to list, search and read mail and ask cited questions across the archive.

Correlates failed shell commands and their exit codes with whatever later fixed them, alongside git diffs and docs, stored locally in SQLite.

Polarion ALM: documents as Markdown, Lucene or SQL search, traceability link traversal, and work item and comment management with dry-run writes.

Full-text and semantic search over Claude Code transcript history, with exact thread recall and durable remembered facts in local SQLite.

Read notes and tags from the Bear note-taking app directly from its SQLite database.

MCP server for RPG Maker MZ: maps, tile painting, events, database editing, and validation.

Local, contract-governed federation across files and databases (Postgres, Snowflake, BigQuery, DuckDB, Excel) with read-only guards and PII masking.

Persistent local AI memory. SQLite + FTS5 + vector search, knowledge graph. No cloud, no API keys.

Embedded memory for AI agents with SQLite, pgvector, and Neo4j graph search.

Task queue, decisions and memory for coding agents. Local SQLite, no network. Requires Bun.

Query the NIST National Vulnerability Database (NVD) API.

Powerful tools for automating Google Sheets using Model Context Protocol (MCP)

PostgreSQL catalog introspection, AST-validated query execution, index tuning, natural-language SQL, and pgvector, TimescaleDB and AGE integrations.

Inspect Apache Kafka topics and consumer groups and safely manage offsets (reset, rewind).

Generic database (DBMS) connectivity via ODBC.

Local-first personal AI ops layer. Shared verbatim memory across your agents (Claude Code, Cursor, OpenClaw, Hermes, Obsidian, Telegram) in one SQLite + FTS5 corpus — plus a coordination layer where any of your agents can delegate tasks to any other. Sear

Schema, database, document, user and dev-server tools for a Rebase backend project.

Deterministic pre-execution filter for agent tool calls that blocks scope creep (credential reads, SSRF, destructive shell/SQL) and prompt injection.

A Model Context Protocol server for managing, monitoring, and querying data in CockroachDB.

Brazilian IBGE data: demographics, geography and economics, including localities, SIDRA tables, census data, population projections and geographic meshes.

PostgreSQL MCP server with 203 tools, connection pooling, HTTP/SSE, OAuth 2.1, and tool filtering

Read and write Apple Notes with bidirectional Markdown conversion: SQLite queries for listing and search, AppleScript for full CRUD.

Biomedical MCP server: genes, variants, trials, literature, patents, optional SQL/R/biowasm tools.

Remote ChromaDB vector database MCP server with streamable HTTP transport

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

Enterprise PostgreSQL MCP server with 63 tools, 10 resources, 10 prompts for AI-native operations

PostgreSQL querying, schema exploration and table analysis, read-only by default with SQL injection prevention.

Enables natural language schema queries — explore tables, keys, procedures, and get SQL help fast

MCP server for interactive terminal sessions — SSH, REPLs, database CLIs, TUI apps

Search and review South Korea's national R&D regulations, returning current provisions with citations from the national law database.

Read-only Postgres access with SQL compiled from your own definitions, PII refusal and a tamper-evident audit chain.

Read-only data quality monitoring for Postgres, BigQuery, Snowflake, MySQL and DuckDB: warehouse profiling, anomaly detection and optional dbt lineage.

Warhammer 40K, Combat Patrol and Kill Team rules reference: unit datasheets, keyword definitions, phase sequences and game flow.

Tunnel-based bridge connecting local and on-premise databases (such as MSSQL) to LLMs, with AST-based query safety and PII masking.

SQLite MCP server with OAuth 2.1, HTTP/SSE, 122 tools, and smart tool filtering

MCP server for DM8 database operations with enhanced security. Provides read-only database access via Model Context Protocol.

Transparent MCP proxy that intercepts JSON-RPC messages, measures latency, stores traces in SQLite, PostgreSQL or MySQL, and exports OpenTelemetry spans.

AI-powered idea & task manager for developers. Brainstorm → structured tasks → AI agent execution. CodeMirror editor with slash commands, MCP Server, Claude/Gemini/Codex support. Local-first SQLite, cross-PC Git sync.

Local-first persistent session memory for Claude Code and other agents. SQLite + FTS5, no cloud.