# C64 Bridge MCP Server Audit Worklog

## 2026-05-08

1. Started audit on branch `fix/readme` in `/home/chris/dev/c64/c64bridge`.
2. Recorded pre-existing dirty worktree state. The modified `data/**` files existed before audit changes and are treated as user-owned unless directly implicated by a finding.
3. Inspected top-level repository file list and `package.json`.
4. Confirmed the repository is TypeScript, declares `c64bridge@0.9.1`, and provides build, test, coverage, matrix, MCP generation, RAG, and release scripts.
5. Confirmed `doc/refuels` is absent and `doc/refuels/audit.md` must be created.
6. Replaced the previous completed `PLANS.md` with the authoritative MCP server audit plan required for this task.
7. Inspected MCP server registration, tool registry, resource registry, prompt registry, README, AGENTS, and skill routing.
8. Ran `npm install`: pass, with 1 moderate and 1 high npm audit vulnerability reported.
9. Ran `npm run build`: pass.
10. Ran `npm test`: pass across broad Node/MCP/Bun suites with expected skips.
11. Ran `npm run coverage`: failed after passing shards because `scripts/run-coverage.mjs` attempted to copy missing `coverage/lcov.info` for the VICE device shard.
12. Confirmed `c64_input` is the only registered tool exposing a top-level `oneOf` schema and that it references stale `c64://specs/*` resources.
13. Identified unsafe partial numeric/hex parsing around memory operations and missing consistent range guards before raw memory device calls.
14. Created `doc/refuels/audit.md` with confirmed findings, methodology, scope, and fix plan.
