# Run C - functional verification (offline validators + MCP tool dispatch + stale-registry probe)

$ cd skills/microsoft-foundry/finetuning && python3 scripts/validate/validate_sft.py /tmp/azsk-ft/valid-sft.jsonl  # 2 valid records

============================================================
SFT Validation Report: /tmp/azsk-ft/valid-sft.jsonl
============================================================
Total records: 2
Errors: 0
Warnings: 0

Token stats (approx):
  Avg: 16  Min: 8  Max: 25
  Total: 33

System prompts: 1 unique

✅ Data is valid for SFT fine-tuning!
exit: 0

$ python3 scripts/validate/validate_sft.py /tmp/azsk-ft/bad-sft.jsonl  # invalid role, bad JSON, missing fields

============================================================
SFT Validation Report: /tmp/azsk-ft/bad-sft.jsonl
============================================================
Total records: 5
Errors: 5
Warnings: 0

Token stats (approx):
  Avg: 4  Min: 3  Max: 5
  Total: 8

System prompts: 1 unique

❌ ERRORS (must fix):
  • Line 2, message 1: Invalid role 'banana' (expected: {'user', 'assistant', 'system', 'tool'})
  • Line 2: No 'user' message found
  • Line 3: Invalid JSON — Expecting value: line 1 column 1 (char 0)
  • Line 4: Missing 'messages' field
  • Line 5: 'messages' must be a non-empty array

❌ Fix 5 error(s) before submitting.
exit: 1

$ python3 scripts/validate/data_stats.py /tmp/azsk-ft/valid-sft.jsonl

============================================================
Dataset Statistics: /tmp/azsk-ft/valid-sft.jsonl
============================================================
Format:           SFT
Total records:    2
Parse errors:     0

Token Estimates (approx):
  Total:          33
  Average/record: 16
  Min:            8
  Max:            25

Role Distribution:
  user: 2
  assistant: 2
  system: 1

Records with system message: 1/2

📊 Dataset size guidance:
  ⚠️ Very small dataset (2 records). May only learn format, not domain knowledge.
exit: 0

$ mcp-stdio-client.py --call foundry --args '{"command":"list_commands"}' npx -y @azure/mcp@latest server start
=== CALL foundry ===
isError: True, content blocks: 1
   Failed to create MCP client for registry server 'foundry': The ChainedTokenCredential failed to retrieve a token from the included credentials.
- The ChainedTokenCredential failed to retrieve a token from the included credentials.
- EnvironmentCredential authentication unavailable. Environment varia...

$ mcp-stdio-client.py --call documentation --args '{"command":"list_commands"}' ...
=== CALL documentation ===
isError: False, content blocks: 1
   Here are the available commands and their input schema for 'documentation' tool.
If you do not find a suitable command, run again with the "learn=true" to get a list of available commands and their input schema.

$ HOME=$ISO3 npx -y skills add microsoft/azure-skills azure-rbac -a github-copilot -y  # stale 486K-install entry
◇  Found 31 skills
●  Installing all 31 skills
exit: 0 - azure-rbac NOT installed, ALL 31 skills installed instead, zero warning about the missing requested skill