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Agents2026-06-27 · source-backed
MCP-Atlas has 1,000 human-verified tasks across 36 real MCP servers and 220 tools, now with a 100-tool-call budget instead of a 20-turn limit. Current leaders: Gemini 3.5 Flash at 83.6%, Claude Opus 4.8 at 82.2%. Tool-Decathlon runs 108 long-horizon tasks in isolated containers, with Claude-4.5-Sonnet finishing all 108 in roughly 70 minutes across 10 parallel processes. (Scale Labs) Stop grading your tool-using agent on single-turn function-call accuracy. These test the thing you actually ship: multi-step work against real servers.
Each link below shares sources, entities, or timing with this story.
Claude Code uses MCP / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (Claude Code uses MCP); both cover Claude Opus, Flash, Gemini, MCP; overlapping topics (against, agent).
Claude uses MCP / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (Claude uses MCP); both cover Claude, Gemini, MCP, Sonnet; overlapping topics (agent, claude).
Linked by a graph relationship (Claude uses MCP); both cover Claude, Gemini, Sonnet; overlapping topics (against, agent, claude).
OpenAI supports MCP / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (OpenAI supports MCP); both cover Claude, Claude Opus, Tool; overlapping topics (against, agent, claude).
MCP partners with Linux Foundation / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (MCP partners with Linux Foundation); both cover Claude, Gemini, MCP; overlapping topics (agent, claude, server).
Claude uses MCP / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (Claude uses MCP); both cover CLAUDE, MCP; overlapping topics (actually, against, agent, claude, server).
Linked by a graph relationship (Claude uses MCP); both cover Claude, Gemini, Sonnet; overlapping topics (against, agent).
ChatGPT supports MCP / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (ChatGPT supports MCP); both cover CLAUDE, MCP; overlapping topics (actually, against, agent, server).