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meshtastic_firmware/.github/prompts/mcp-diagnose.prompt.md
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de23e5199d Add USB camera and uhubctl support for new test suite. Also included some bug fixes (#10204)
* Add USB camera and uhubctl support for new test suite. Also added some bug fixes

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* Refactor test messages for clarity and consistency in regex tests

---------

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
2026-04-19 06:51:41 -05:00

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---
mode: agent
description: Device health report via the meshtastic MCP tools (Copilot equivalent of the Claude Code /diagnose slash command)
---
# `/mcp-diagnose` — device health report
Equivalent of `.claude/commands/diagnose.md`. Use when the operator asks to "check the devices", "what's the mesh looking like", "is nrf52 alive", etc.
This prompt assumes the meshtastic MCP server is registered with your VS Code Copilot agent. If it isn't, fall back to running `./mcp-server/run-tests.sh tests/unit` plus a short `device_info` script via the terminal.
## What to do
1. **Enumerate hardware** via the `list_devices` MCP tool (with `include_unknown=True`). For each entry where `likely_meshtastic=True`, capture `port`, `vid`, `pid`, `description`.
2. **Apply the operator's filter** (if any):
- No filter → every likely-meshtastic device.
- `nrf52``vid == 0x239a`
- `esp32s3``vid == 0x303a` or `vid == 0x10c4`
- A `/dev/cu.*` path → only that port.
- Anything else → substring match on port.
3. **For each selected device, in sequence (don't parallelize — SerialInterface holds an exclusive port lock):**
- `device_info(port=<p>)``my_node_num`, `long_name`, `short_name`, `firmware_version`, `hw_model`, `region`, `num_nodes`, `primary_channel`
- `list_nodes(port=<p>)` → peer count, which peers have `publicKey`, SNR/RSSI distribution
- `get_config(section="lora", port=<p>)` → region, preset, channel_num, tx_power, hop_limit
- If anything looks off (can't connect, `num_nodes` wrong, missing `firmware_version`), open a short firmware-log window: `serial_open(port=<p>, env=<inferred>)`, wait 3 seconds, `serial_read(session_id, max_lines=100)`, `serial_close(session_id)`. Infer env from VID (0x239a → `rak4631`, 0x303a/0x10c4 → `heltec-v3`) unless an `MESHTASTIC_MCP_ENV_<ROLE>` env var overrides it.
4. **Hub health** (call once, not per-device): `uhubctl_list()` — enumerates every USB hub the host sees. Cross-reference each Meshtastic device's VID to find which hub + port it's on. Flag in the report if:
- No hub advertises `ppps=true``tests/recovery/` can't run; hard-recovery via `uhubctl_cycle` isn't available.
- A Meshtastic device is on a non-PPPS hub → note it; moving to a PPPS hub unlocks auto-recovery.
- `uhubctl_list` raises `ConfigError: uhubctl not found` → report as "uhubctl not installed"; don't treat as a device fault.
5. **Render per-device report** as a compact block:
```text
[nrf52 @ /dev/cu.usbmodem1101] fw=2.7.23.bce2825, hw=RAK4631
owner : Meshtastic 40eb / 40eb
region/band : US, channel 88, LONG_FAST
tx_power : 30 dBm, hop_limit=3
peers : 1 (esp32s3 0x433c2428, pubkey ✓, SNR 6.0 / RSSI -24 dBm)
primary ch : McpTest
hub : 1-1.3 port 2 (PPPS, uhubctl-controllable)
firmware : no panics in last 3s
```
Flag abnormalities inline with `⚠︎ <short reason>` — missing pubkey on a known peer, region UNSET, mismatched channel name, device on non-PPPS hub, etc.
6. **Cross-device correlation** (when >1 device selected):
- Do both see each other in `nodesByNum`?
- Do `region`, `channel_num`, `modem_preset` match across devices?
- Do the primary channel names match? (Different name → different PSK → no decode.)
7. **Suggest next steps only for recognizable failure modes**, never speculatively:
- Stale PKI one-way → "`/mcp-test tests/mesh/test_direct_with_ack.py` — the test's retry+nodeinfo-ping heals this."
- Region mismatch → "re-bake one side via `./mcp-server/run-tests.sh --force-bake`."
- Device unreachable, DFU reachable → `touch_1200bps(port=...)` + `pio_flash`. If not even DFU responds and the device is on a PPPS hub, escalate to `uhubctl_cycle(role=..., confirm=True)`.
- CP2102-wedged-driver on macOS → see `run-tests.sh` notes.
## Hard constraints
- **Read-only.** No `set_config`, no `reboot`, no `factory_reset`, no `flash`. If the operator wants mutation, they'll escalate explicitly.
- **Open/query/close per device.** Never hold multiple SerialInterfaces to the same port. The port lock is exclusive.
- **Don't infer env beyond the VID map** — if the operator has an unusual board, ask them which env to use rather than guessing.