Tool calling

An MCP server for AI agents providing cryptographic activity provenance, chain integrity checks, agent identity verification, and reputation tools.

A plugin layer for DeepSeek Harness that routes intent to tools, gates unused tool schemas, and adds persistent memory, event-triggered reflexes, and recovery behavior.

An open-source MCP server connecting agents to AI for Database's hosted API for scoped database queries, schema inspection, scheduled workflows, and dashboards.

A reference implementation of an open bounty protocol that lets AI agents post and claim missions through API and MCP tools, with verification and on-chain payouts.

A multi-tool API and MCP server for AI agents, with x402 micropayments and tools for web, AI, crypto, and media workflows.

The official open-source client integration for Baizhi Cloud's hosted MCP service, with a Gemini CLI extension, registry manifest, and setup guides for web search, webpage retrieval, and structured extraction. The backend remains hosted and requires an API key.

Open-source Python and Node.js SDKs and an MCP server that connect agents to BulkPublish's hosted social publishing API, with tools for drafting, scheduling, publishing, approvals, and analytics.

An open-source MCP client that connects AI agents to BuyWhere’s hosted product-data API for product search, price comparison, and deal discovery.

A Python CLI harness that lets coding agents access local tools such as Gmail, a browser, and files from their shell.

Open-source agent skills and a lightweight MCP stdio bridge for Edgrapi’s hosted API, which returns normalized SEC and US government data as JSON.

An AI-native structured-data wire format with implementations in six languages and a proxy for adopting compact agent tool responses.

GitHub's official MCP server lets AI agents work with repositories, issues, pull requests, Actions, and code security through the Model Context Protocol.

A self-hosted multi-cluster Kubernetes dashboard with an AI operations agent that connects language models to live clusters through MCP.

Langchain features VectorDBQAChain, which integrates LLMs and vector databases into agent tools for enhanced question-answering capabilities by leveraging data ingested into vector stores

Langchain integrates various providers like Anthropic, AWS, and OpenAI, and offers tools for components such as LLMs, chat models, and data analysis, supporting functionalities from Alpha Vantage to YouTube

LlamaIndex offers a variety of tools for building data agents, with top downloads including IonicShoppingToolSpec, OpenAPIToolSpec, WikipediaToolSpec, GmailToolSpec, and GoogleCalendarToolSpec, enabling seamless integration with user-defined functions, query engines, and third-party services

An open protocol standard for connecting AI applications to tools and data sources through a client-server interface.

MySpec ships Claude Code plugins that connect an MCP server to spec-driven development and a manager plugin that plans task waves, dispatches worker sessions, verifies their pull requests, and gates merges.