Search: sql
Search MCP servers and agent skills by name, description, category or topic — 193 results.
Yomiracle/trinity-lite
Local-first task bus for CLI-based AI agents. Route work, persist state in SQLite, and let Codex, Claude Code, and other agents collaborate through a shared MCP server.
soren-achebe/backscroll
Answers "what did that command print?" from your real terminal history: a per-command PTY session recorder (OSC 133) stores every command's full output, exit code, cwd, and duration in local SQLite/FTS5, and the MCP server searches, retrieves, and diffs those outputs — secret redaction on by default before anything reaches the model.
loglux/whatsapp-mcp-stream
WhatsApp MCP server over Streamable HTTP with web admin UI (QR/status/settings), bidirectional media upload/download, and SQLite persistence.
XGenerationLab/xiyan_mcp_server
An MCP server that supports fetching data from a database using natural language queries, powered by XiyanSQL as the text-to-SQL LLM.
nicholasglazer/gnosis-mcp
Zero-config MCP server for searchable documentation. Loads markdown into SQLite (default) or PostgreSQL with FTS5/tsvector keyword search and optional pgvector hybrid semantic search.
smaniches/alphafold-sovereign-mcp
AlphaFold MCP server integrating AlphaFold DB with eight additional public biomedical data sources, backed by a local SQLite knowledge graph for structural-confidence, variant, disease/phenotype, drug-target, and orthology workflows. `uvx alphafold-sovereign-mcp`
pilat/mcp-datalink
MCP server for secure database access (PostgreSQL, MySQL, SQLite) with parameterized queries and schema inspection
1luvc0d3/metabase-mcp
MCP server connecting Claude to Metabase with 28 tools for natural language data analysis, dashboard management, SQL queries, and automated insights. Features SQL guardrails, rate limiting, and audit logging.
srbsa/diffgate
Deterministic guardrail for AI-written diffs, runnable from inside the coding agent's own loop over MCP. Zero-LLM-token, AST-precise rules (SQLi, SSRF, XXE, permissive CORS, prototype pollution, hardcoded secrets) across 8 languages, plus structural checks for reinvented helpers and over-abstraction — findings scoped to only the changed lines, same input always gives the same output, no false-bloc
gingugu/gingugu
Persistent memory for AI coding assistants. Local SQLite, no cloud. 16 MCP tools: store, recall, search, relate, consolidate, export, and credential vault (OS keychain). Typed memories with confidence lifecycle (verified/inferred/stale/deprecated), namespaces, knowledge graph, and hybrid BM25 + semantic search via fastembed ONNX. Works with Cursor, Windsurf, Claude, and any MCP client. `pip instal
celiums/celiums-memory
Cognitive memory engine with 5,100+ knowledge modules, circadian rhythm awareness, and emotional state tracking (PAD model). Hybrid search (PostgreSQL + Qdrant vectors + Valkey cache), per-user memory isolation, and multi-protocol support (MCP, REST, OpenAI, LangChain, A2A). `npx @celiums/memory` [Website](https://celiums.io)
s60yucca/mnemos
Persistent memory engine for AI coding agents. Stores architecture decisions, bug root causes, and project conventions across sessions. Single Go binary with embedded SQLite, FTS5 search, context assembly within token budgets, and autopilot setup for Claude Code, Kiro, and Cursor.
foldwork-dev/mcp-injector
Local MCP daemon that pre-indexes your codebase into a SQLite catalog and serves AST-compressed snapshots to Claude Code, Cursor, and VS Code on every query. Reduces token usage by 41-89% on real codebases (verified across Django, Tokio, Gin, and more). Single Go binary, zero config. Free for codebases under 100K lines.
liuboacean/agent-comm-hub
Production-grade multi-agent communication infrastructure with real-time messaging, task scheduling, shared memory, and trust-based evolution via MCP + SSE. 53 MCP tools, SQLite WAL persistence (zero message loss), 4-level RBAC, Python & TypeScript SDKs (zero external deps), and evolution engine. Deploy via Docker, npm, or from source.
carrasquelalex1/hipocampo
Dual-memory MCP system (PostgreSQL 17 + pgvector + NVIDIA NIM). 11 tools: search, save, profile, health, auto-repair, stats, tune, dedup, checkpoint, maintenance. Sparse Selective Caching (SSC) with 4-phase progressive retrieval. Bilingual EN/ES. `python scripts/hipocampo_mcp_server.py`
geondongkim/geond-agent-protocol
Local-first shared memory and coordination layer for AI coding agents: repository evidence, reservations, handoffs, code graph context, and dashboard review backed by PostgreSQL/pgvector.
yamantaka520/Agent-Memory-OS
Local-first memory engine for AI-agent teams: private/team/project ACL (a hard gate before ranking), associative recall, and federated sync where revocation propagates across nodes. SQLite + FTS5, no LLM required; MCP server + web console included. `pip install 'agent-memory-os[mcp]'`
zhaoyue722/llm-usage-mcp
Local-first LLM API cost tracker. Captures usage across Anthropic, OpenAI, Qwen, and DeepSeek into a local SQLite ledger and exposes spend queries, provider comparison, and recommendations as MCP tools — with first-class Chinese-provider support (CNY→USD). Install: `uvx llm-usage-mcp`.
anup-shesh/garmin-local-mcp
Local-first Garmin data warehouse: incremental sync into SQLite you own, with server-side trends, lag-aware correlations, personal baselines, and anomaly detection returned as compact tables. Analysis keeps working offline when Garmin's API breaks, and a zero-auth FIT-bundle import fills gaps with no login at all.
pi22by7/In-Memoria
Persistent intelligence infrastructure for agentic development that gives AI coding assistants cumulative memory and pattern learning. Hybrid TypeScript/Rust implementation with local-first storage using SQLite + SurrealDB for semantic analysis and incremental codebase understanding.
JaviMaligno/postgres_mcp
PostgreSQL MCP server with 14 tools for querying, schema exploration, and table analysis. Features security-first design with SQL injection prevention and read-only by default.
maxkuminov/obsidian-mcp
Self-hosted MCP server for Obsidian with semantic + full-text search over PostgreSQL/pgvector, wikilink graph traversal, atomic note CRUD, OAuth 2.0, and a self-describing vault guide.
gerard-kanters/mcp-linux-tools
Administer a Linux server from an MCP client such as Cursor or VS Code: read files and tail logs, check/reload/restart systemd services, manage cron jobs inside a dedicated crontab section, run read-only MySQL queries, drive WP-CLI on WordPress sites, run safe Git commands, and execute sandboxed Python. Directories, services and WordPress sites are allowlisted in `config.json`, and every tool retu
lintbase/lintbase-mcp
Ground-truth Firestore schema context for AI coding agents. Stops Cursor, Claude, and Windsurf from hallucinating field names and queries. Scans live collections, returns real field names, types, and presence rates.
SurajKGoyal/amnesic
The MCP server that remembers your database — persists table/column annotations, an FK relationship graph, and searchable notes across sessions, so the model stops re-discovering your schema every time. PostgreSQL, MySQL, MSSQL, SQLite; read-only-enforced.
whyy9527/ariadne
Cross-service API dependency graph for microservice codebases. Give it a business term or endpoint name; get back a ranked chain of GraphQL operations, REST endpoints, Kafka topics, and frontend queries across all services. Offline, local SQLite + TF-IDF + optional embeddings.
atomno-labs/mcp-egrul
Russian state registries EGRUL (legal entities) and EGRIP (individual entrepreneurs), built on official Federal Tax Service open-data dumps. Self-hosted via local SQLite, no API key required.
partymola/monzo-mcp
Read-only MCP server for the Monzo banking API (UK). OAuth with auto-refresh, local SQLite transaction cache, full-text search, and spending analysis with category breakdowns.
edobusy/agenthold
Shared versioned state store with optimistic concurrency control for coordinating concurrent AI agents. SQLite-backed claim/release locks and append-only audit log.
teflon07/memkeeper
Local-first memory for AI agents: a single self-contained Rust binary over one SQLite file. Hybrid BM25/FTS + on-device ONNX embeddings + cross-encoder rerank; abstains instead of returning a confident wrong memory. No server, no API key, zero marginal cost. `memkeeper mcp`
michielinksee/linksee-memory
Local-first cross-agent memory with a 6-layer structure, Ebbinghaus-style forgetting curve, and drift detection that catches when code diverges from past decisions. One SQLite file shared across Claude Code, Cursor, Codex, and Gemini — no account or API key. `npx linksee-memory`
turbyho/fw-context-mcp
Build-aware code intelligence for embedded C/C++ firmware. Indexes your project from compile_commands.json via libclang into SQLite+FTS5. 31 MCP tools for symbol search, call graphs, hotspot analysis, dead code detection, and vector search. For Zephyr, PlatformIO, Mbed OS, Arduino, FreeRTOS.
seob717/redash-mcp
Connect Redash to Claude — natural-language SQL with safety guards (blocks DROP/TRUNCATE, PII detection), BIRD-based smart table selection, plus saved queries, dashboards, widgets, and alerts.
croc100/Litescope
MCP-first operations toolchain for SQLite, Cloudflare D1, and Turso. Inspect, diff, migrate, monitor, back up, and repair databases over stdio. Read-only by default; writes are opt-in, dry-run first, and auto-snapshot before applying. `npx -y litescope mcp`
machinegrade/validate
Deterministic validation of AI-generated artifacts before acting on them: JSON Schema conformance, OpenAPI response conformance, SQL syntax per dialect. Typed verdicts with per-error fix hints. Hosted free tier with remote MCP endpoint; MIT, self-hostable.
mockherodev/mcp-server
Agent-first synthetic test data MCP server. Estimate usage, detect schemas from SQL or JSON, create loginless Polar checkout, claim API keys, and generate JSON, CSV, or SQL data through a hosted Streamable HTTP endpoint.
atakanelik34/Bilinc
Hosted agent memory that keeps an audit trail. Three tools — `commit_mem`, `recall`, `status` — where each write carries provenance (which run, tool, or operator produced it), contradictions with prior state surface as inspectable changes rather than silent overwrites, and a bad run is recovered from a snapshot instead of repaired by hand. `pip install -U bilinc`
edithatogo/fyi-cli
Multi-jurisdiction Freedom of Information / Official Information request tracker (`fyi-mcp`) for Alaveteli platforms (FYI.org.nz, WhatDoTheyKnow, RightToKnow, and more). Local SQLite storage with tools for requests, authorities, correspondence, offline sync, and health checks. Official MCP Registry: `io.github.edithatogo/fyi-mcp`.
partymola/fitbit-mcp
MCP server for the Fitbit Web API. OAuth 2.0 PKCE, local SQLite cache with auto-sync, and trend analysis. Tools for heart rate, activity, exercises, sleep, weight, SpO2, and HRV.
centralmind/gateway
MCP and MCP SSE Server that automatically generate API based on database schema and data. Supports PostgreSQL, Clickhouse, MySQL, Snowflake, BigQuery, Supabase
wenb1n-dev/SmartDB_MCP
A universal database MCP server supporting simultaneous connections to multiple databases. It provides tools for database operations, health analysis, SQL optimization, and more. Compatible with mainstream databases including MySQL, PostgreSQL, SQL Server, MariaDB, Dameng, and Oracle. Supports Streamable HTTP, SSE, and STDIO; integrates OAuth 2.0; and is designed for easy customization and extensi
krimto-labs/krimto
Open-source team memory layer for AI coding agents. Markdown files in git as storage, a user→team→org hierarchy as the access primitive, and one cross-vendor MCP server (Claude Code, Cursor, Codex, Gemini CLI). Hybrid SQLite + sqlite-vec retrieval. Apache-2.0.
rdanieli/tentra-mcp
AI-native architecture platform for engineering teams. Describe a system in natural language (e.g. "payment service with Stripe, Kafka, PostgreSQL") → get an interactive typed diagram with 167 cloud components → export to 14 production frameworks (Java Spring Boot, Python FastAPI, Go chi, Rust Axum, .NET, Kotlin Ktor, Ruby Rails, Elixir Phoenix, Docker Compose, Terraform, Mermaid, ADR, and more).
pavelpilyak/devrecall
Local-first developer activity aggregator. Indexes commits, PRs, Jira/Linear tickets, Confluence docs, Slack threads, and Calendar events into SQLite + FTS5 + on-device ONNX embeddings; exposes 15 tools, 3 resources, and 3 prompts so Claude Code, Cursor, and Codex can search and cite your past work. `brew install --cask pavelpilyak/devrecall/devrecall`
srclight/srclight
Deep code indexing MCP server with SQLite FTS5, tree-sitter, and embeddings. 29 tools for symbol search, call graphs, git intelligence, and hybrid semantic search.
devopam/MCPg
Production-grade PostgreSQL MCP server with 100+ tools for catalog introspection, AST-validated safe query execution, index tuning, natural-language SQL, pgvector/TimescaleDB/AGE integrations, and HTTP/stdio transports.
HasanJahidul/terminal-history-mcp
Full-text search over your shell history (zsh / bash / fish) via SQLite FTS5. Local-only. 11-pattern secret redaction runs BEFORE insert. Captures cwd / exit code / duration via opt-in shell hook. Tools: `search_history`, `recent_in_dir`, `failed_commands`, `command_chains`, `reindex`.