MCP

MCP (not comparable)

1. (anatomy) Initialism of metacarpophalangeal.

MCP (countable and uncountable, plural MCPs)

1. (dated) Initialism of male chauvinist pig.
   • 1976 January 23, Nicholas Wade, “Edward Goldsmith: Blueprint for a De-industrialized Society”, in Science, volume 191, number 4224, →JSTOR, page 270:

     If that makes him sound like a male chauvinist, well, he appeared at a recent conference in Houston wearing a tie emblazoned with boar heads and the monogram MCP.

   • 2012 May 1, Kate Bornstein, A Queer and Pleasant Danger, Boston: Beacon Press, →ISBN:

     Bottom line, an MCP was a guy who put more value on men than he did on women. Paradoxically, some MCPs put their women up on a pedestal—a statue of his fantasy—and that's where their women were supposed to stay.

2. (biology) Initialism of membrane cofactor protein.
3. (machine learning) Initialism of memory-context processing.

MCP

1. (computing, historical) Initialism of Microsoft Certified Professional, former certification program.
2. (Malaysia, Singapore, politics, historical) Initialism of Malayan Communist Party, officially the Communist Party of Malaya (CPM).

   Synonyms: CPM, PKM

4. (artificial intelligence) Initialism of Model Context Protocol, an open protocol that allows AI agents to cooperate.
   • 2025 December 10, Hayden Field, “AI companies want a new internet — and they think they’ve found the key. MCP has already taken the industry by storm, and now Anthropic is giving it away”, in The Verge‎^[1]:

     MCP, or Model Context Protocol, began as a passion project from two Anthropic employees, but since its creation in mid-2024, it’s been widely adopted by companies like OpenAI, Google, Microsoft, and Cursor. There are even hints that Apple will use MCP in its forthcoming AI-enabled version of Siri.

• CMP, CP/M, CPM, MPC, PCM, PMC, pcm