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Lightweight cost observability for every API call in your stack. Track LLM tokens, database ops, and external services from your terminal.

Library-friendly Agents

A Free, Open Source MCP server for dynamic custom persona management with public a GitHub collection of personas, skills, templates, and other elements for AI models.

Scientific paper evidence search for ChatGPT, MCP, REST, Python, and AI agents.

Build Your Own Herness with SoloEngine. Achieve Loop Engineering — by simply dragging and dropping.

AI-powered SQL query diagnostics across PostgreSQL, MySQL, Oracle, SQL Server and SQLite. No database connection required.

Ollama Zig library

A Nostr MCP server that allows to interact with Nostr, enabling posting notes, and more.

Test harness for voice agents. Import from Retell, VAPI, Bland, LiveKit. Run autonomous simulations. Evaluate with LLM judges.

Reverse ETL for the code-first data stack

DeepSwiftSeek 🚀 | Swift Client for DeepSeek LLM Models | Lightweight and efficient communication to the core functionality of DeepSeek

The complete toolkit for building AI agents in JavaScript. Lightweight core, React & Terminal UIs, autonomous runtime, tools, skills, memory, RAG and observability. Plug-and-play from chat UI to full agents.

Model Context Protocol server for Couchbase - connect AI agents and LLMs like Claude, Cursor, and Copilot to Couchbase/Capella

LLM-native terminal emulator for macOS — AI components, multi-provider profiles, voice input, Metal GPU rendering

AI-powered code review tool that analyzes git branch differences and generates comprehensive review reports. Supports AWS Bedrock and Anthropic API. Features automated analysis of logic, security, performance, and code quality with smart token efficiency through prompt caching.

Free, read-only GPU waste scanner for Kubernetes inference clusters, by Paralleliq. Finds idle GPUs, oversized GPU tiers and wasted capacity in vLLM deployments.

A static MCP server that provides AI models with persistent tool context, preventing context loss between chats.

PRIMS is a lightweight, open-source Model Context Protocol (MCP) server that lets LLM agents safely execute arbitrary Python code in a secure, throw-away sandbox.

The AI agent memory layer you can audit — local-first memory governance for AI agents: citations, trust policies, trace receipts, rollback. SQLite, sidecar-first, OpenClaw plugin.

Lightweight AI agent runtime for Go. Define multi-agent crews in YAML, run them with goroutines and channels, and let the runtime handle scheduling, parallelism, retries, and observability — without leaving the Go ecosystem.

OpenCLAW SEED — Autonomous self-evolving research agent with LoRA fine-tuning. Part of P2PCLAW ecosystem. Trains itself on research papers, improves over time. Apache 2.0.

The most complete Mailchimp Marketing API MCP server: 227 tools across campaigns, audiences, reports, segments, automations and full e-commerce, with multi-account support and runtime-security guardrails (read-only, dry-run, audit, per-tool risk metadata).

Swift/AppKit terminal multiplexer for Claude Code + shell sessions

An MCP Server in Rust for creating Notion pages & mdBooks with LLMs 🦀

Diff your AI agent's behavior between two runs. See exactly which tool calls, args, costs and outputs changed when you swap models or edit prompts.

A flexible platform that provides Docker & Kubernetes backends, a lightweight CLI (mcpt), and client utilities for seamless MCP integration. Spin up servers from templates, route requests through a single endpoint with load balancing, and support both deployed (HTTP) and local (stdio) transports — all with sensible defaults and YAML-based configs.

Local-first knowledge graph for developers. Watches your files, builds a knowledge graph with LLMs, lets you query across projects.

Remote jobs MCP server — search 100,000+ remote jobs, post listings, find candidates, and check salary benchmarks from Claude, ChatGPT, Cursor, and any MCP client. Free, no API key required.

A multi-provider AI coding agent with the persona of a Tech-Priest

Multi-tool AI agent harness — 22 skills, self-evolving engine, unified memory, autonomous spec-to-PR pipeline. Works with Claude Code, Codex, Cursor, OpenCode, and Cline.