SourceScore

Verified claim · AI-ML · 100% confidence

Model Context Protocol (MCP) publicly released on: 2024-11-25 by Anthropic.

Last verified 2026-05-16 · Methodology veritas-v0.1 · d04ee92d198f69d8

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Structured fields

Subject
Model Context Protocol (MCP)
Predicate
publicly_released_on
Object
2024-11-25 by Anthropic
Confidence
100%
Tags
mcp · model-context-protocol · anthropic · open-standard · tool-use · released_on · 2024

Sources (2)

  1. [1] official blog · Anthropic · 2024-11-25

    Introducing the Model Context Protocol
    Today, we're open-sourcing the Model Context Protocol (MCP), a new standard for connecting AI assistants to the systems where data lives, including content repositories, business tools, and development environments.
    Anthropic is rated by SourceScore — see its reliability →
  2. [2] docs · Anthropic / MCP community · 2024-11-25

    Model Context Protocol — official specification

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Model Context Protocol (MCP) publicly released on: 2024-11-25 by Anthropic. — SourceScore Claim d04ee92d198f69d8 (verified 2026-05-16). https://sourcescore.org/api/v1/claims/d04ee92d198f69d8.json

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Frequently asked questions

Is the claim "Model Context Protocol (MCP) publicly released on: 2024-11-25 by Anthropic." verified?

Yes — SourceScore verified this claim with 100% confidence as of 2026-05-16. The verification uses 2 primary sources cross-referenced against the SourceScore methodology (version veritas-v0.1). Full source list + signed JSON envelope linked below.

What is the evidence for "Model Context Protocol (MCP) publicly released on: 2024-11-25 by Anthropic."?

Evidence comes from 2 primary sources: Anthropic, Anthropic / MCP community. Each source is listed below with verbatim excerpts and URLs. The signed JSON envelope at https://sourcescore.org/api/v1/claims/d04ee92d198f69d8.json includes an HMAC-SHA256 signature for audit verification.

When was this claim last verified by SourceScore?

Last verified 2026-05-16 under methodology version veritas-v0.1. The signed JSON envelope is dated and cryptographically signed for audit trail. Re-verification cadence depends on the claim type and source freshness.

How can I cite this SourceScore claim in my code or article?

Fetch the signed JSON envelope from https://sourcescore.org/api/v1/claims/d04ee92d198f69d8.json which includes the verbatim claim, primary sources, confidence, methodology version, last-verified date, and HMAC-SHA256 signature for audit. The CC-BY-4.0 license permits commercial use with attribution to SourceScore.

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JavaScript / TypeScript

const r = await fetch("https://sourcescore.org/api/v1/claims/d04ee92d198f69d8.json"); const envelope = await r.json(); console.log(envelope.claim.statement); // "Model Context Protocol (MCP) publicly released on: 2024-11-25 by Anthropic."

Python

import httpx r = httpx.get("https://sourcescore.org/api/v1/claims/d04ee92d198f69d8.json") envelope = r.json() print(envelope["claim"]["statement"]) # "Model Context Protocol (MCP) publicly released on: 2024-11-25 by Anthropic."

LangChain (retrieve-then-cite)

from langchain_core.tools import tool import httpx @tool def get_model_context_protocol_mcp_fact() -> dict: """Fetch the verified SourceScore claim for Model Context Protocol (MCP).""" r = httpx.get("https://sourcescore.org/api/v1/claims/d04ee92d198f69d8.json") return r.json()
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