Demo MCP server + MCP apps, and the evals that tested its metadata: what actually reaches the model, what changes answers, and a skill that applies it to new and existing servers. Companion to the paper 'The Missing Layer'. Uses Dutch open building data (BAG + EP-Online).
Latest release skill-v1.4.1 — rich-domain-mcp-server skill v1.4.1 · 26 Oct 2026
18 files for Claude Code and Codex: rich-domain-mcp-server, eval-inline-recipe, eval-inline, eval-opaque-words and 14 more .
.agents/skills/rich-domain-mcp-server/SKILL.md A 232 tok .agents/skills/run-eval/SKILL.md A 66 tok .agents/skills/mcp-compat-check/SKILL.md A 141 tok .claude/agents/eval-inline-recipe.md A 57 tok .claude/agents/eval-inline.md A 46 tok .claude/agents/eval-opaque-words.md A 41 tok .claude/agents/eval-opaque.md A 35 tok .claude/agents/eval-rich.md A 33 tok .claude/agents/eval-schema.md A 41 tok .claude/agents/eval-thin.md A 35 tok .claude/agents/eval-words-recipe.md A 59 tok .claude/agents/eval-words.md A 35 tok .claude/agents/eval-inline-conditional.md A — .claude/agents/eval-inline-fact.md A — .claude/agents/eval-inline-instruction.md A — .claude/agents/eval-inline-oneline.md A 61 tok .claude/agents/eval-guidance-recipe.md A 59 tok .claude/agents/eval-best.md A 63 tok These files are DaveGold/mcp-metadata-demo's own configuration — they tell Claude Code and Codex how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.