Project #5 in a learn-MCP series: sampling, where the server borrows the host model instead of holding its own key. Adds a cost ledger, spend gates, and replayable runs so every model call a server triggers is priced, capped, and auditable.
3 files for Claude Code, Codex and OpenCode: learn-mcp-agent-ledger, learn-mcp-agent-ledger AGENTS.md, learn-mcp-agent-ledger CLAUDE.md — 159 tokens loaded in every session.
AGENTS.md A 154 tok CLAUDE.md A 5 tok .claude/settings.json A — These files are ketankshukla/learn-mcp-agent-ledger's own configuration — they tell Claude Code, Codex and OpenCode 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.