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Agents2026-06-14 · source-backed
June head-to-heads show a clear shape: OpenCode crossed ~150K–172K GitHub stars and ~6.5M monthly active developers to become the default open-source choice, Codex CLI on GPT-5.5 took the benchmark performance lead, and Aider is visibly slowing, last repo push May 22 against daily pushes from OpenCode and Cline (Morph). Release cadence is now a real differentiator, not just raw capability. A coding agent that stops shipping weekly is a coding agent falling behind on model support, MCP fixes, and security patches. Momentum matters when the substrate moves this fast.
Each link below shares sources, entities, or timing with this story.
Google released MCP / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Google released MCP); both cover Codex CLI, GPT, Morph, OpenCode; reported by the same outlet (morphllm.com).
Anthropic released MCP / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Anthropic released MCP); both cover Aider, Cline, GitHub, OpenCode; overlapping topics (agent, coding).
Claude uses MCP / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Claude uses MCP); both cover Codex CLI, GPT, Morph; reported by the same outlet (morphllm.com).
Claude uses MCP / Shared entities / Same source domain / Shared topic / What happened next / Tension
Linked by a graph relationship (Claude uses MCP); both cover Codex CLI, GPT; reported by the same outlet (morphllm.com).
Cursor uses MCP / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Cursor uses MCP); both cover Aider, Cline, GitHub; overlapping topics (agent, benchmark, coding).
Linked by a graph relationship (Cursor uses MCP); both cover GitHub, MCP, OpenCode; overlapping topics (against, agent).
OpenCode supports MCP / Shared entities / Shared topic / What happened next
Linked by a graph relationship (OpenCode supports MCP); both cover GitHub, GPT, MCP; overlapping topics (against, agent).
Cursor uses MCP / Shared entities / Same source domain / What happened next
Linked by a graph relationship (Cursor uses MCP); both cover GitHub, GPT, OpenCode; reported by the same outlet (morphllm.com).