model-committee-fable

Name: model-committee-fable
Author: scdenney

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How to install model-committee-fable?

scdenney/open-science-skills/model-committee-fable

$npx -y skills add scdenney/open-science-skills --skill model-committee-fable

Installs into the current project.

Summary

Run a deliberative two-model committee between GPT-5.6 "Sol" and Claude Opus 4.8, chaired by Fable 5. Same two deliberating members as model-committee; the difference is the chair — Fable 5 aggregates the scores, applies the tie rule, and synthesizes the decision, so a lightweigh

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SKILL.md

1	# Model Committee (Fable-chaired)
2
3	Run GPT-5.6 "Sol" and Claude Opus 4.8 as a deliberating committee, with Fable 5 as the chair. Preserve a clear distinction from `$model-council-voting`: a council measures independent disagreement; this committee deliberately exposes each member to the other's argument and produces one decision.
4
5	Read [`references/protocol.md`](references/protocol.md) completely before running a committee.
6
7	Chair variant. This is the Fable-chaired member of a three-variant family; all three deliberate a GPT-5.6 tier + Opus 4.8 and differ in which model chairs the synthesis (and, in `model-committee-sol`, in which 5.6 tier deliberates — see that skill's pins note). Fable's value here is a lightweight, fast, procedurally disciplined chair: the heavy reasoning is already spent inside the two members' three rounds, and the chair's remaining job is mostly mechanical, so a lean chair is a deliberate cost choice — and, being neither member, it cannot vote its own prior a third time. Because Fable is a Claude-family model, running under Codex delegates the chair step to it via the bundled `claude-member.sh`. Siblings: [`model-committee`](../model-committee/SKILL.md) (Opus 4.8 chairs) and [`model-committee-sol`](../model-committee-sol/SKILL.md) (GPT-5.6 "Sol" chairs).
8
9	## Gate the workflow
10
11	Run only when the user explicitly invokes `$model-committee-fable` or requests a Fable-chaired GPT-5.6 Sol / Opus 4.8 deliberation. The workflow makes external model calls and uses more tokens than a single answer.
12
13	Apply the use-case gate in the protocol first. If the task does not qualify, recommend the correct alternative and do not call any model.
14
15	Before the first call:
16
17	1. Confirm the task and the decision that must be returned.
18	2. Confirm any sensitive material may be sent to both providers.
19	3. Explain that both CLIs may consume separate plan credits or API spend; obtain confirmation unless already explicit.
20	4. Precommit the evaluation criteria, weights, and tie rule.
21
22	## Sandbox constraint — read before the first call
23
24	`scripts/codex-member.sh` shells out to a nested `codex exec` process. Confirmed by direct reproduction (July 2026, both hosts this repo runs on): a `codex exec` process running under any sandbox mode cannot spawn a working nested `codex exec` child — it fails immediately with `Error: failed to initialize in-process app-server client: Operation not permitted` (macOS) or `Read-only file system` (Linux). This is structural (the OS sandbox applies transitively to the whole process tree) and is not fixed by bypass flags on the nested call. If you are running non-interactively (`approval: never` in your own session banner), this call cannot succeed — report the failure rather than fabricating the GPT member's response yourself. If interactive, request escalation (`sandbox_permissions: require_escalated`) for that one call.
25
26	`scripts/claude-member.sh` shells out to `claude -p` instead (used for both the Opus member and the Fable chair here) — a different binary, so it does not hit the identical `codex exec` IPC failure, but under `workspace-write` sandbox its outbound network call was observed to hang rather than complete (network access is restricted by the sandbox) — less rigorously isolated than the `codex-member.sh` finding, but treat an unresponsive `claude-member.sh` call the same way: do not assume it will resolve on its own, and consider escalation or an unsandboxed session if it hangs.
27
28	## Preflight members and chair
29
30	Resolve `SKILL_DIR` as the directory containing this `SKILL.md`, then run:
31
32	```bash
33	"$SKILL_DIR/scripts/codex-member.sh" --check
34	"$SKILL_DIR/scripts/claude-member.sh" --check
35	```
36
37	Default pins:
38
39	- GPT member: `gpt-5.6-sol` (reasoning effort: `xhigh`)
40	- Claude member: `claude-opus-4-8` (reasoning effort: `max`)
41	- Chair: `claude-fable-5` (Fable 5), reached through `claude-member.sh`
42
43	These are deliberately exact pins, not moving aliases. Do not silently substitute another model. If a pin is unavailable, report it and ask whether to stop or use a named replacement.
44
45	## Run the committee
46
47	Create a temporary working directory such as `.committee-tmp/<slug>

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model-committee-fable

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View on GitHub

How to install model-committee-fable?

scdenney/open-science-skills/model-committee-fable

$npx -y skills add scdenney/open-science-skills --skill model-committee-fable

Installs into the current project.

Summary

Files · 1

View on GitHub

SKILL.md

1	# Model Committee (Fable-chaired)
2
3	Run GPT-5.6 "Sol" and Claude Opus 4.8 as a deliberating committee, with Fable 5 as the chair. Preserve a clear distinction from `$model-council-voting`: a council measures independent disagreement; this committee deliberately exposes each member to the other's argument and produces one decision.
4
5	Read [`references/protocol.md`](references/protocol.md) completely before running a committee.
6
7	Chair variant. This is the Fable-chaired member of a three-variant family; all three deliberate a GPT-5.6 tier + Opus 4.8 and differ in which model chairs the synthesis (and, in `model-committee-sol`, in which 5.6 tier deliberates — see that skill's pins note). Fable's value here is a lightweight, fast, procedurally disciplined chair: the heavy reasoning is already spent inside the two members' three rounds, and the chair's remaining job is mostly mechanical, so a lean chair is a deliberate cost choice — and, being neither member, it cannot vote its own prior a third time. Because Fable is a Claude-family model, running under Codex delegates the chair step to it via the bundled `claude-member.sh`. Siblings: [`model-committee`](../model-committee/SKILL.md) (Opus 4.8 chairs) and [`model-committee-sol`](../model-committee-sol/SKILL.md) (GPT-5.6 "Sol" chairs).
8
9	## Gate the workflow
10
11	Run only when the user explicitly invokes `$model-committee-fable` or requests a Fable-chaired GPT-5.6 Sol / Opus 4.8 deliberation. The workflow makes external model calls and uses more tokens than a single answer.
12
13	Apply the use-case gate in the protocol first. If the task does not qualify, recommend the correct alternative and do not call any model.
14
15	Before the first call:
16
17	1. Confirm the task and the decision that must be returned.
18	2. Confirm any sensitive material may be sent to both providers.
19	3. Explain that both CLIs may consume separate plan credits or API spend; obtain confirmation unless already explicit.
20	4. Precommit the evaluation criteria, weights, and tie rule.
21
22	## Sandbox constraint — read before the first call
23
24	`scripts/codex-member.sh` shells out to a nested `codex exec` process. Confirmed by direct reproduction (July 2026, both hosts this repo runs on): a `codex exec` process running under any sandbox mode cannot spawn a working nested `codex exec` child — it fails immediately with `Error: failed to initialize in-process app-server client: Operation not permitted` (macOS) or `Read-only file system` (Linux). This is structural (the OS sandbox applies transitively to the whole process tree) and is not fixed by bypass flags on the nested call. If you are running non-interactively (`approval: never` in your own session banner), this call cannot succeed — report the failure rather than fabricating the GPT member's response yourself. If interactive, request escalation (`sandbox_permissions: require_escalated`) for that one call.
25
26	`scripts/claude-member.sh` shells out to `claude -p` instead (used for both the Opus member and the Fable chair here) — a different binary, so it does not hit the identical `codex exec` IPC failure, but under `workspace-write` sandbox its outbound network call was observed to hang rather than complete (network access is restricted by the sandbox) — less rigorously isolated than the `codex-member.sh` finding, but treat an unresponsive `claude-member.sh` call the same way: do not assume it will resolve on its own, and consider escalation or an unsandboxed session if it hangs.
27
28	## Preflight members and chair
29
30	Resolve `SKILL_DIR` as the directory containing this `SKILL.md`, then run:
31
32	```bash
33	"$SKILL_DIR/scripts/codex-member.sh" --check
34	"$SKILL_DIR/scripts/claude-member.sh" --check
35	```
36
37	Default pins:
38
39	- GPT member: `gpt-5.6-sol` (reasoning effort: `xhigh`)
40	- Claude member: `claude-opus-4-8` (reasoning effort: `max`)
41	- Chair: `claude-fable-5` (Fable 5), reached through `claude-member.sh`
42
43	These are deliberately exact pins, not moving aliases. Do not silently substitute another model. If a pin is unavailable, report it and ask whether to stop or use a named replacement.
44
45	## Run the committee
46
47	Create a temporary working directory such as `.committee-tmp/<slug>

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6 picks

Type