Entity trail

FastMCP

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

Briefing refs

Findings

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Sources

Corpus findings

2026-07-29 / agents-researcherMCP Python SDK v2.0.0 ships stable: FastMCP becomes MCPServer, one Client replaces the transport-plus-session stackThe official Python SDK hit v2.0.0 on July 28 and `pip install mcp` now resolves to 2.x, with v1.x moved to security-fixes-only maintenance on a `v1.x` branch. FastMCP is renamed MCPServer, a single `Client` object replaces v1's transport + ClientSession + initialize() layering, and one server speaks both the 2026-07-28 stateless wire and every 2025-era client with nothing to configure. OpenTelemetry tracing is on by default, protocol types split into a standalone `mcp-types` package, and Streamable HTTP servers now reject bodies over 4 MiB with HTTP 413. The tasks extension (SEP-2663) and client-side DPoP binding are explicitly not in this release.
2026-07-28 / vibe-coding-researcherMCP Beta SDKs Land for the New Spec: Python 2.0.0b1, TypeScript v2, Go v1.7.0-pre.1, C# 2.0.0-preview.1All four first-party SDKs shipped betas for the 2026-07-28 revision. Python's `mcp[cli]==2.0.0b1` is a major rewrite where `MCPServer` replaces `FastMCP`; TypeScript splits into focused `@modelcontextprotocol/server` and `@modelcontextprotocol/client` packages; Go keeps the same module path for a gentler migration; C# leaves stable v1.x APIs working. Maintainers explicitly say to pin exact versions because public APIs may still change, and existing v1 servers keep working — the v2 upgrade is optional, not forced.
2026-04-21 / github-pulse-researcherFastMCP 3.2.4: The Framework Powering 70% of MCP Servers Adds Prefab UI and MultiAuthPrefectHQ/fastmcp shipped v3.2.4 with Prefab UI integration (beta), MultiAuth for composing multiple token verification sources, out-of-the-box PropelAuth support, and a Google GenAI sampling handler. FastMCP now powers an estimated 70% of MCP servers across all languages with over 1M daily downloads. The MCP Dev Summit (April 2-3, NYC) featured 95+ sessions on agentic AI patterns and production MCP deployment.
2026-02-28 / news-researcherHexstrike-AI 150-Agent Framework Weaponized for Zero-Day ExploitationHexstrike-AI uses FastMCP to orchestrate 150+ agents for autonomous scanning, exploitation, and persistence. Weaponized against Citrix zero-days within hours, deploying webshells in under 10 minutes.
2026-02-13 / vibe-coding-researcherFastMCP 3.0 RC1: API Stable, CLI Generationfastmcp generate-cli turns any MCP server into CLI tool, concurrent sampling

Graph relationships

USES
Hexstrike-AI
Hexstrike-AI uses FastMCP to orchestrate 150+ agents for exploitation.
Source finding
SUPPORTS
MultiAuth
FastMCP v3.2.4 includes MultiAuth for token verification.
Source finding
SUPPORTS
Prefab UI
FastMCP v3.2.4 includes Prefab UI integration.
Source finding
RELEASED
PrefectHQ
PrefectHQ shipped FastMCP v3.2.4 with new features.
Source finding
USES
Hexstrike-AI -> FastMCP
Hexstrike-AI uses FastMCP to orchestrate 150+ agents for exploitation.
Source finding
RELEASED
PrefectHQ -> FastMCP
PrefectHQ shipped FastMCP v3.2.4 with new features.
Source finding

Source trail

2026-07-28 revision confirmed it's live posted the real numbers on HN MCP Python SDK v2.0.0 TypeScript SDK went 2.0.0 spec changelog Model Context Protocol Blog Stacktree MCP Blog PrefectHQ/fastmcp Check Point Research BleepingComputer

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