The most compatible MCP CLI client. Supports: tools, resources, prompts, completions, async tasks, skills, stdio and Streamable HTTP (MCP 2026-07-28 and 2025-11-25). Persistent sessions, OAuth 2.1 with DCR, CIMD, client credentials, and ID-JAG, OS keychain, --json for code mode, grep across servers, proxy for AI sandboxes, x402 & more.
About the project
mcpc is a command-line client for the Model Context Protocol, giving shell commands access to MCP servers' tools, resources, prompts, skills, and other operations. Developers and AI agents use it to inspect, debug, and script MCP workflows through standard shell pipelines, with the catalogue add-ons supporting its use in agent workflows.
Use the mcpc CLI to work with MCP (Model Context Protocol) servers from the shell - connect to a server as a persistent session, then list and call tools, read resources, get prompts, and run async tasks. Use --json for scripting and code mode. Reach for this whenever interacting with MCP servers, calling MCP tools…
Record or regenerate the mcpc demo GIFs (the README hero docs/images/mcpc-demo.gif and the focused tapes in docs/vhs/) with VHS. Use whenever asked to create, refresh, restyle, shorten, or fix a terminal demo/animation/GIF of mcpc. The tapes drive real mcpc commands; for the authenticated step this skill ALWAYS…