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Comparison

Anvil vs ECC

ECC has more GitHub stars (279,762 vs 0). ECC was updated more recently (last commit 2d ago). Data comes straight from GitHub and refreshes daily.

Anvil

Local physics/chemistry bench as MCP: plain words in, 12-domain simulations out.

$npx -y anvil-mcp
ECC

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

$/plugin marketplace add https://github.com/affaan-m/ECC
MetricAnvilECC
TypeMCP serverMCP server
GitHub stars0279,762
Stars, last 7 days——
Forks041,620
Upvotes00
Language—JavaScript
License—MIT
Last commit—2d ago
Created—Jan 2026
Categories—AI & LLM tooling, Memory & knowledge, Security