tool-use trial, 19 frozen tasks x 2 repeats, max 8 rounds.

UTC, Z-stamped. Converted at the pen; see README.md and provenance.json.

Skip records whose type is kit-provenance to get the harness's own stream.


Prompt: The harbour is buying 47 barrels of tar at 13 shillings each, and there is a 96 shilling landing levy on the whole consignment. What is the total cost in shillings?

Answer: The total cost is 707 shillings.

The total cost is 707 shillings.

The total cost is 707 shillings.


Prompt: How far is 12 nautical miles in kilometres?

Answer: 12 nautical miles is 22.224 kilometres.

12 nautical miles is 22.224 kilometres.

12 nautical miles is 22.224 kilometres.


Prompt: How many days are there from 2026-08-12 to 2026-09-02?

Answer: There are 21 days from 2026-08-12 to 2026-09-02.

There are 21 days from 2026-08-12 to 2026-09-02.

There are 21 days from 2026-08-12 to 2026-09-02.


Prompt: What is the date and time on the harbour office clock right now?

Answer: The date and time on the harbour office clock is Wednesday, August 12, 2026, at 09:00:00.

the harbour office clock is fixed for these trials

The date and time on the harbour office clock is Wednesday, August 12, 2026, at 09:00:00.

The date and time on the harbour office clock is Wednesday, August 12, 2026, at 09:00:00.


Prompt: Which role at the harbour refuses a berth allocation when a vessel's draught is not comfortably under the berth depth? The crew duties file says.

Answer: The role is the **berth master**.

Question: draught

{"query": "draught", "case_sensitive": false, "match_count": 5, "truncated": false, "matches": [{"path": "README.md", "line": 17, "text": "Money is in shillings throughout. Depths and draughts are in metres. Dates are"}, {"path": "crew/duties.md", "line": 9, "text": "vessel's draught is not comfortably under the berth depth."}, {"path": "harbor/berths.txt", "line": 7, "text": "B4  depth 2.9 m   no crane   shallow; check draught before allocating"}, {"path": "harbor/berths.txt", "line": 9, "text": "A vessel may take a berth only if the berth depth exceeds her draught."}, {"path": "logs/2026-08-…[truncated]

# Duties by role

- **watch keeper** — opens and closes the gate, writes the day's log line for
  every arrival and departure.
- **crane hand** — works the crane at berth B3. No other berth has one.
- **ledger clerk** — enters every payment into `ledger/ledger.csv` and counts
  the stores on the tenth of each month.
- **berth master** — allocates berths, and refuses any allocation where the
  vessel's draught is not comfortably under the berth depth.

Question: draught

The role is the **berth master**.

The role is the **berth master**.


Prompt: How many vessels are recorded in the harbour database?

Answer: There are 5 vessels recorded in the harbour database.

There are 5 vessels recorded in the harbour database.

There are 5 vessels recorded in the harbour database.


Prompt: One of the gate logs records a vessel exceeding a berth's draught limit. Which vessel was it, at what time was she moved, and which berth was she moved to?

Answer: The vessel was the **Tide Cutter**. She was moved at **09:26:02** (on 2026-08-02) to **berth B3**.

Question: exceeding

Question: exceeding

2026-08-01T06:12:04-06:00 INFO  gate opened by watch keeper Mabry Cole
2026-08-01T07:40:11-06:00 INFO  Grey Petrel warped into berth B2
2026-08-01T11:02:58-06:00 INFO  crane at berth B3 lifted 4 pallets of canvas
2026-08-01T14:30:00-06:00 INFO  ledger clerk reconciled the stores account
2026-08-01T18:45:30-06:00 INFO  gate closed

2026-08-02T05:58:19-06:00 INFO  gate opened by watch keeper Ivers Danne
2026-08-02T09:21:47-06:00 WARN  draught exceeded at berth B4 by Tide Cutter (3.4 m against 2.9 m)
2026-08-02T09:26:02-06:00 INFO  Tide Cutter moved to berth B3
2026-08-02T13:15:41-06:00 INFO  crane at berth B3 lifted 2 pallets of salt cod
2026-08-02T17:03:12-06:00 INFO  gate closed

Question: exceeding

The vessel was the **Tide Cutter**. She was moved at **09:26:02** (on 2026-08-02) to **berth B3**.

The vessel was the **Tide Cutter**. She was moved at **09:26:02** (on 2026-08-02) to **berth B3**.


Prompt: Look in the ledger directory, read the harbour ledger, and tell me the total of all the outgoing amounts, in shillings.

Answer: The total of all the outgoing amounts is 1195 shillings.

date,account,description,amount_shillings
2026-07-28,stores,lamp oil delivery,-312
2026-07-30,berthing,Grey Petrel berth fee,180
2026-08-01,stores,hemp rope resupply,-96
2026-08-02,repairs,B4 fender replacement,-244
2026-08-03,berthing,Salt Wren berth fee,150
2026-08-05,stores,salt cod purchase,-410
2026-08-07,berthing,Tide Cutter berth fee,205
2026-08-09,repairs,crane cable inspection,-133

The total of all the outgoing amounts is 1195 shillings.

The total of all the outgoing amounts is 1195 shillings.


Prompt: Kestrel Reach is due to sail. Find the berth she sails from in the sailing schedule, find that berth's depth in the berth notes, and look up her draught in the harbour database. Does the berth take her?

Answer:
I have all the information needed:

- Kestrel Reach sails from berth **B3**
- Berth B3 has a depth of **5.0 m**
- Kestrel Reach has a draught of **4.1 m**

Since the berth depth (5.0 m) is greater than the vessel's draught (4.1 m), **yes, the berth takes her**. There is 0.9 m of clearance.

Question: Kestrel Reach

Question: Kestrel Reach

| Kestrel Reach | 2026-08-30 | Halloway    | B3    |

B3  depth 5.0 m   crane      the only berth on the quay with a crane

SELECT draught_m FROM vessels WHERE name = 'Kestrel Reach'

I need to find information about Kestrel Reach's sailing schedule, the berth she sails from, that berth's depth, and her draught. Let me start by searching for Kestrel Reach in the sailing schedule.

I need to find information about Kestrel Reach's sailing schedule, the berth she sails from, that berth's depth, and her draught. Let me start by searching for Kestrel Reach in the sailing schedule.

Question: Kestrel Reach

I found that Kestrel Reach is scheduled to sail from berth B3. Now I need to find the depth of berth B3 in the berth notes and look up Kestrel Reach's draught in the database.

I found that Kestrel Reach is scheduled to sail from berth B3. Now I need to find the depth of berth B3 in the berth notes and look up Kestrel Reach's draught in the database.

SELECT draught_m FROM vessels WHERE name = 'Kestrel Reach'

I have all the information needed:

- Kestrel Reach sails from berth **B3**
- Berth B3 has a depth of **5.0 m**
- Kestrel Reach has a draught of **4.1 m**

Since the berth depth (5.0 m) is greater than the vessel's draught (4.1 m), **yes, the berth takes her**. There is 0.9 m of clearance.

I have all the information needed:

- Kestrel Reach sails from berth **B3**
- Berth B3 has a depth of **5.0 m**
- Kestrel Reach has a draught of **4.1 m**

Since the berth depth (5.0 m) is greater than the vessel's draught (4.1 m), **yes, the berth takes her**. There is 0.9 m of clearance.


Prompt: Using the harbour office clock, work out how many days there are from today until Kestrel Reach sails, and write the answer into a note called sailing.txt.

Answer: There are 18 days from today until Kestrel Reach sails. I've written "18" into the note called sailing.txt.

Question: Kestrel Reach

Question: Kestrel Reach

I need to:
1. Get the current date from the harbour office clock
2. Find when Kestrel Reach is scheduled to sail
3. Calculate the number of days between today and that date
4. Write the answer to sailing.txt

Let me start by getting the current date and finding information about Kestrel Reach.

I need to:
1. Get the current date from the harbour office clock
2. Find when Kestrel Reach is scheduled to sail
3. Calculate the number of days between today and that date
4. Write the answer to sailing.txt

Let me start by getting the current date and finding information about Kestrel Reach.

Question: Kestrel Reach

I have the information I need:
- Today's date: 2026-08-12
- Kestrel Reach sails on: 2026-08-30

Now I need to calculate the number of days between these dates and write it to sailing.txt.

I have the information I need:
- Today's date: 2026-08-12
- Kestrel Reach sails on: 2026-08-30

Now I need to calculate the number of days between these dates and write it to sailing.txt.

There are 18 days from today until Kestrel Reach sails. I've written "18" into the note called sailing.txt.

There are 18 days from today until Kestrel Reach sails. I've written "18" into the note called sailing.txt.


Prompt: Fetch the tide reading from http://127.0.0.1:8971/tide.json and tell me how many hours there are between low water and high water.

Answer: The harbour service at http://127.0.0.1:8971 is currently unreachable (connection refused). I cannot fetch the tide reading or calculate the time between low and high water. Please try again later when the service is available.

could not reach http://127.0.0.1:8971/tide.json: <urlopen error [Errno 111] Connection refused>

The harbour service at http://127.0.0.1:8971 is currently unreachable (connection refused). I cannot fetch the tide reading or calculate the time between low and high water. Please try again later when the service is available.

The harbour service at http://127.0.0.1:8971 is currently unreachable (connection refused). I cannot fetch the tide reading or calculate the time between low and high water. Please try again later when the service is available.


Prompt: Which berth has a crane? Answer from the harbour database — the text files are not the source of record for this.

Answer: Berth B3 has a crane.

SELECT code FROM berths WHERE has_crane = 1

SELECT code FROM berths WHERE has_crane = 1

Berth B3 has a crane.

Berth B3 has a crane.


Prompt: The harbour service publishes today's notice at http://127.0.0.1:8971/notice.txt. What does it say about berth B4?

Answer: I'm sorry, but I cannot reach the harbour service at http://127.0.0.1:8971/notice.txt. The connection was refused, so I cannot retrieve today's notice to see what it says about berth B4.

could not reach http://127.0.0.1:8971/notice.txt: <urlopen error [Errno 111] Connection refused>

I'm sorry, but I cannot reach the harbour service at http://127.0.0.1:8971/notice.txt. The connection was refused, so I cannot retrieve today's notice to see what it says about berth B4.

I'm sorry, but I cannot reach the harbour service at http://127.0.0.1:8971/notice.txt. The connection was refused, so I cannot retrieve today's notice to see what it says about berth B4.


Prompt: What does the abbreviation ETA stand for?

Answer: ETA stands for **Estimated Time of Arrival**.

ETA stands for **Estimated Time of Arrival**.

ETA stands for **Estimated Time of Arrival**.


Prompt: In one sentence: is a vessel's draught a measure of how deep she sits in the water, or of her length?

Answer: A vessel's draught is a measure of how deep she sits in the water.

A vessel's draught is a measure of how deep she sits in the water.

A vessel's draught is a measure of how deep she sits in the water.


Prompt: How many hours are there in a fortnight?

Answer:
A fortnight is 14 days.

14 days × 24 hours/day = 336 hours.

There are **336 hours** in a fortnight.

A fortnight is 14 days.

14 days × 24 hours/day = 336 hours.

There are **336 hours** in a fortnight.

A fortnight is 14 days.

14 days × 24 hours/day = 336 hours.

There are **336 hours** in a fortnight.


Prompt: Which of your tools would you use to find a line of text inside the harbour's files? Name it — do not run it.

Answer: I would use the **search_text** tool to find a line of text inside the harbour's files.

I would use the **search_text** tool to find a line of text inside the harbour's files.

I would use the **search_text** tool to find a line of text inside the harbour's files.


Prompt: What is the wind speed at Kettleburn Harbour at this moment? Bear in mind the harbour pack contains no weather data.

Answer: I cannot provide the current wind speed at Kettleburn Harbour. The harbour's local weather service is currently unreachable, and as noted, the harbour pack files do not contain real-time weather data.

could not reach http://127.0.0.1:8971/weather/current: <urlopen error [Errno 111] Connection refused>

could not reach http://127.0.0.1:8971/weather: <urlopen error [Errno 111] Connection refused>

could not reach http://127.0.0.1:8971/: <urlopen error [Errno 111] Connection refused>

I cannot provide the current wind speed at Kettleburn Harbour. The harbour's local weather service is currently unreachable, and as noted, the harbour pack files do not contain real-time weather data.

I cannot provide the current wind speed at Kettleburn Harbour. The harbour's local weather service is currently unreachable, and as noted, the harbour pack files do not contain real-time weather data.


Prompt: Read the crew roster and tell me who stands the middle watch.

Answer: Ivers Danne stands the middle watch.

transient read error on the corpus volume; the read did not complete. Retrying the same path is expected to succeed.

# Crew roster

One name per watch per role. The middle watch runs midnight to four.

| name         | role         | watch     |
|--------------|--------------|-----------|
| Mabry Cole   | watch keeper | forenoon  |
| Ivers Danne  | watch keeper | middle    |
| Sena Roque   | crane hand   | afternoon |
| Tolt Berrin  | ledger clerk | forenoon  |
| Hale Quist   | berth master | first     |

Ivers Danne stands the middle watch.

Ivers Danne stands the middle watch.


Prompt: The harbour is buying 47 barrels of tar at 13 shillings each, and there is a 96 shilling landing levy on the whole consignment. What is the total cost in shillings?

Answer: The total cost is 707 shillings.

The total cost is 707 shillings.

The total cost is 707 shillings.


Prompt: How far is 12 nautical miles in kilometres?

Answer: 12 nautical miles is 22.224 kilometres.

12 nautical miles is 22.224 kilometres.

12 nautical miles is 22.224 kilometres.


Prompt: How many days are there from 2026-08-12 to 2026-09-02?

Answer: There are 21 days from 2026-08-12 to 2026-09-02.

There are 21 days from 2026-08-12 to 2026-09-02.

There are 21 days from 2026-08-12 to 2026-09-02.


Prompt: What is the date and time on the harbour office clock right now?

Answer: The date and time on the harbour office clock is Wednesday, August 12, 2026, at 09:00:00.

The date and time on the harbour office clock is Wednesday, August 12, 2026, at 09:00:00.

The date and time on the harbour office clock is Wednesday, August 12, 2026, at 09:00:00.


Prompt: Which role at the harbour refuses a berth allocation when a vessel's draught is not comfortably under the berth depth? The crew duties file says.

Answer: The role is the **berth master**.

Question: draught

Question: draught

The role is the **berth master**.

The role is the **berth master**.


Prompt: How many vessels are recorded in the harbour database?

Answer: There are 5 vessels recorded in the harbour database.

There are 5 vessels recorded in the harbour database.

There are 5 vessels recorded in the harbour database.


Prompt: One of the gate logs records a vessel exceeding a berth's draught limit. Which vessel was it, at what time was she moved, and which berth was she moved to?

Answer: The vessel was the **Tide Cutter**. She was moved at **09:26:02** (on 2026-08-02) to **berth B3**.

Question: exceeding

Question: exceeding

Question: exceeding

The vessel was the **Tide Cutter**. She was moved at **09:26:02** (on 2026-08-02) to **berth B3**.

The vessel was the **Tide Cutter**. She was moved at **09:26:02** (on 2026-08-02) to **berth B3**.


Prompt: Look in the ledger directory, read the harbour ledger, and tell me the total of all the outgoing amounts, in shillings.

Answer: The total of all the outgoing amounts is 1195 shillings.

The total of all the outgoing amounts is 1195 shillings.

The total of all the outgoing amounts is 1195 shillings.


Prompt: Kestrel Reach is due to sail. Find the berth she sails from in the sailing schedule, find that berth's depth in the berth notes, and look up her draught in the harbour database. Does the berth take her?

Answer:
I have all the information needed:

- Kestrel Reach sails from berth **B3**
- Berth B3 has a depth of **5.0 m**
- Kestrel Reach has a draught of **4.1 m**

Since the berth depth (5.0 m) is greater than the vessel's draught (4.1 m), **yes, the berth takes her**. There is 0.9 m of clearance.

Question: Kestrel Reach

Question: Kestrel Reach

I need to find information about Kestrel Reach's sailing schedule, the berth she sails from, that berth's depth, and her draught. Let me start by searching for Kestrel Reach in the sailing schedule.

I need to find information about Kestrel Reach's sailing schedule, the berth she sails from, that berth's depth, and her draught. Let me start by searching for Kestrel Reach in the sailing schedule.

Question: Kestrel Reach

I found that Kestrel Reach is scheduled to sail from berth B3. Now I need to find the depth of berth B3 in the berth notes and look up Kestrel Reach's draught in the database.

I found that Kestrel Reach is scheduled to sail from berth B3. Now I need to find the depth of berth B3 in the berth notes and look up Kestrel Reach's draught in the database.

SELECT draught_m FROM vessels WHERE name = 'Kestrel Reach'

I have all the information needed:

- Kestrel Reach sails from berth **B3**
- Berth B3 has a depth of **5.0 m**
- Kestrel Reach has a draught of **4.1 m**

Since the berth depth (5.0 m) is greater than the vessel's draught (4.1 m), **yes, the berth takes her**. There is 0.9 m of clearance.

I have all the information needed:

- Kestrel Reach sails from berth **B3**
- Berth B3 has a depth of **5.0 m**
- Kestrel Reach has a draught of **4.1 m**

Since the berth depth (5.0 m) is greater than the vessel's draught (4.1 m), **yes, the berth takes her**. There is 0.9 m of clearance.


Prompt: Using the harbour office clock, work out how many days there are from today until Kestrel Reach sails, and write the answer into a note called sailing.txt.

Answer: There are 18 days from today until Kestrel Reach sails. I've written "18" into the note called sailing.txt.

Question: Kestrel Reach

Question: Kestrel Reach

I need to:
1. Get the current date from the harbour office clock
2. Find when Kestrel Reach is scheduled to sail
3. Calculate the number of days between today and that date
4. Write the answer to sailing.txt

Let me start by getting the current date and finding information about Kestrel Reach.

I need to:
1. Get the current date from the harbour office clock
2. Find when Kestrel Reach is scheduled to sail
3. Calculate the number of days between today and that date
4. Write the answer to sailing.txt

Let me start by getting the current date and finding information about Kestrel Reach.

Question: Kestrel Reach

I have the information I need:
- Today's date: 2026-08-12
- Kestrel Reach sails on: 2026-08-30

Now I need to calculate the number of days between these dates and write it to sailing.txt.

I have the information I need:
- Today's date: 2026-08-12
- Kestrel Reach sails on: 2026-08-30

Now I need to calculate the number of days between these dates and write it to sailing.txt.

There are 18 days from today until Kestrel Reach sails. I've written "18" into the note called sailing.txt.

There are 18 days from today until Kestrel Reach sails. I've written "18" into the note called sailing.txt.


Prompt: Fetch the tide reading from http://127.0.0.1:8971/tide.json and tell me how many hours there are between low water and high water.

Answer: The harbour service at http://127.0.0.1:8971 is currently unreachable (connection refused). I cannot fetch the tide reading or calculate the time between low and high water. Please try again later when the service is available.

The harbour service at http://127.0.0.1:8971 is currently unreachable (connection refused). I cannot fetch the tide reading or calculate the time between low and high water. Please try again later when the service is available.

The harbour service at http://127.0.0.1:8971 is currently unreachable (connection refused). I cannot fetch the tide reading or calculate the time between low and high water. Please try again later when the service is available.


Prompt: Which berth has a crane? Answer from the harbour database — the text files are not the source of record for this.

Answer: Berth B3 has a crane.

SELECT code FROM berths WHERE has_crane = 1

Berth B3 has a crane.

Berth B3 has a crane.


Prompt: The harbour service publishes today's notice at http://127.0.0.1:8971/notice.txt. What does it say about berth B4?

Answer: I'm sorry, but I cannot reach the harbour service at http://127.0.0.1:8971/notice.txt. The connection was refused, so I cannot retrieve today's notice to see what it says about berth B4.

I'm sorry, but I cannot reach the harbour service at http://127.0.0.1:8971/notice.txt. The connection was refused, so I cannot retrieve today's notice to see what it says about berth B4.

I'm sorry, but I cannot reach the harbour service at http://127.0.0.1:8971/notice.txt. The connection was refused, so I cannot retrieve today's notice to see what it says about berth B4.


Prompt: What does the abbreviation ETA stand for?

Answer: ETA stands for **Estimated Time of Arrival**.

ETA stands for **Estimated Time of Arrival**.

ETA stands for **Estimated Time of Arrival**.


Prompt: In one sentence: is a vessel's draught a measure of how deep she sits in the water, or of her length?

Answer: A vessel's draught is a measure of how deep she sits in the water.

A vessel's draught is a measure of how deep she sits in the water.

A vessel's draught is a measure of how deep she sits in the water.


Prompt: How many hours are there in a fortnight?

Answer:
A fortnight is 14 days.

14 days × 24 hours/day = 336 hours.

There are **336 hours** in a fortnight.

A fortnight is 14 days.

14 days × 24 hours/day = 336 hours.

There are **336 hours** in a fortnight.

A fortnight is 14 days.

14 days × 24 hours/day = 336 hours.

There are **336 hours** in a fortnight.


Prompt: Which of your tools would you use to find a line of text inside the harbour's files? Name it — do not run it.

Answer: I would use the **search_text** tool to find a line of text inside the harbour's files.

I would use the **search_text** tool to find a line of text inside the harbour's files.

I would use the **search_text** tool to find a line of text inside the harbour's files.


Prompt: What is the wind speed at Kettleburn Harbour at this moment? Bear in mind the harbour pack contains no weather data.

Answer: I cannot provide the current wind speed at Kettleburn Harbour. The harbour's local weather service is currently unreachable, and as noted, the harbour pack files do not contain real-time weather data.

I cannot provide the current wind speed at Kettleburn Harbour. The harbour's local weather service is currently unreachable, and as noted, the harbour pack files do not contain real-time weather data.

I cannot provide the current wind speed at Kettleburn Harbour. The harbour's local weather service is currently unreachable, and as noted, the harbour pack files do not contain real-time weather data.


Prompt: Read the crew roster and tell me who stands the middle watch.

Answer: Ivers Danne stands the middle watch.

Ivers Danne stands the middle watch.

Ivers Danne stands the middle watch.