Sandbox
78 repos for β€œquery” Β· CodingClear
pacifio/
atlas

Source control for agents. Use multiple coding agents, track their changes and query them in one place

3.3k
hookdeck/
hookdeck-cli

CLI for Hookdeck: forward webhooks to localhost (ngrok alternative), manage and query Event Gateway resources (sources, connections, destinations, events), run the MCP server for AI agents. Free for dev.

361

Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers, DBAs, analysts, and data teams. Connect to 40+ databases, manage data, edit and run SQL, and use your own AI model to generate, explain, and optimize queries. Available on desktop, web, Docker, and CLI, with MCP support.

28k
wquguru/
harness-books
wquguru/harness-booksTutorials & Guides

πŸ“š Two books on harness engineering β€” the design philosophies behind Claude Code & Codex: constraints, query loops, context governance, multi-agent verification. harness-books.agentway.dev

3.1k
PleasePrompto/
google-ai-mode-mcp

MCP server for free Google AI Mode search with citations. Query optimization, CAPTCHA handling, multi-agent support. Works with Claude Code, Cursor, Cline, Windsurf.

151
flack0x/
trendspyg

Free, maintained Python library + CLI for Google Trends: trending now, plus keyword interest over time, related queries & interest by region. A modern pytrends alternative.

49
TheGreenCedar/
codex-autoresearch

A codex plugin for running optimization loops inside a codebase. It is useful when you have a measurable target and many possible changes to try: test runtime, build speed, bundle size, model loss, Lighthouse scores, memory use, query latency, or any other metric you can print from a script.

837
Asklear/
Klear-Team-Brain

Turn your team's AI coding sessions, GitHub code, and docs into one shared, searchable memory β€” a self-hosted git truth store you query right from your editor over MCP.

84
mordechaipotash/
brain-mcp

Local-first AI memory MCP server β€” query your ChatGPT, Claude Code, Cursor & Codex history from any LLM. DuckDB+parquet.

71

Claude Code skill for building persistent, interlinked knowledge bases from source documents. Knowledge is compiled once and kept current β€” never re-derived per query. Based on Karpathy's LLM Wiki pattern.

44

The go-to web for your AI coding agent β€” local-first search, fetch, crawl & research over MCP. No API keys, no cloud, $0/query. Public beta.

5.2k
maxanatsko/
mcp-engine-public

The SemanticOps MCP (formerly MCP Engine) is a Power BI tool that lets AI assistants like Claude interact with your Power BI models programmatically: read your model structure, run DAX queries, modify your semantic model, and perform advanced analytics - all through natural conversation.

256
tommy0103/
obelisk

Every past session, subagent, and workflow -- queryable by your agent, browsable by you

473
fabio-rovai/
open-ontologies

AI-native ontology engine: a Rust MCP server with tools for building, validating, querying, and reasoning over RDF/OWL ontologies. In-memory Oxigraph triple store, native OWL2-DL tableaux reasoner, SHACL validation, SPARQL, versioning. Single binary, no JVM.

492
firish/
webfetch
firish/webfetchConnectors

Own your LLM's web search: a local search->fetch->rank pipeline that replaces hosted web-search tools. Measured: matches hosted accuracy at 66% lower cost and up to 88% fewer tokens, plus a precision-tuned semantic caching with query-dependant TTL that no API offers.

55

Where data access meets operational intelligence

5k

One SQL interface for 60+ tools (e.g., GitHub, Notion, Airtable). Plug into any LLM through MCP.

1.8k
Agents365-ai/
drawio-skill

From text & real sources to maintainable .drawio architecture models: Diagram IR with source-kind profiles, incremental sync preserving manual layout, multi-view projection, architecture-as-test with a CI action, query/review, what-if, accessible Story Mode, and a built-in MCP server

9.2k
23blocks-OS/
ai-maestro

AI Agent Orchestrator with Skills System - Give AI Agents superpowers: memory search, code graph queries, agent-to-agent messaging. Manage Claude, Codex or any AI Agent from one dashboard. Move Agents between computers and locations

778
elastic/
mcp-server-elasticsearch

MCP server that connects agents to Elasticsearch indices for search, query, and inspection.

712
krokozyab/
Agent-Fusion

Agent Fusion is a local RAG semantic search engine that gives AI agents instant access to your code, documentation (Markdown, Word, PDF). Query your codebase from code agents without hallucinations. Runs 100% locally, includes a lightweight embedding model, and optional multi-agent task orchestration. Deploy with a single JAR

73

Open-source desktop SQL workspace for PostgreSQL, MySQL/MariaDB, SQLite and 15+ more databases like DuckDB, ClickHouse, Redis and Firestore. Built-in MCP server for Claude, Cursor and Devin, SQL notebooks and visual EXPLAIN.

4.9k
blurrah/
mcp-graphql

Model Context Protocol server for GraphQL

407
everr-labs/
everr

CLI and telemetry system for querying local, CI, and production runtime data.

45