Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add commands/chrisdbaldwin/masques/inspectgit clone --depth 1 https://github.com/ChrisDBaldwin/MasquesWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00013 | $0.00653 |
| Opus 5 | $0.00006 | $0.00327 |
| Sonnet 5 | $0.00003 | $0.00131 |
| Haiku 4.5 | $0.00001 | $0.00065 |
Grade A, and why
inspect scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 74 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Masque Inspect Command
Display the complete details of a masque — all components plus attributes.
Instructions
-
Determine target:
- If no argument or
self→ inspect the currently active masque - If a name is provided → inspect that masque directly
- If no argument or
-
If inspecting self (no arg or "self"):
- Read
.claude/masque.session.yamlto check current state - If
active.namehas a value, construct path from name + source:- If
sourceisprivate:${MASQUES_HOME:-~/.masques}/<name>.masque.yaml - If
sourceisshared:${CLAUDE_PLUGIN_ROOT}/personas/<name>.masque.yaml
- If
- If
active.nameis null or file doesn't exist: report "No masque active. Use/don <name>to adopt one."
- Read
-
If inspecting by name — use the
masques-cliCLI, the one authoritative resolver shared by this plugin and the Masques MCP server (PRD v1.2 M7):Locate the CLI (
$MASQUE): usemasques-cliif onPATH(installed viauv tool install "${CLAUDE_PLUGIN_ROOT}/services/mcp"), otherwiseuv run --project "${CLAUDE_PLUGIN_ROOT}/services/mcp" masques-cli.$MASQUE inspect <name> --json- The CLI resolves private
${MASQUES_HOME:-~/.masques}over bundledpersonas/and returnsname,version,source,lens,context,attributes,rubric,has_rubric,spinnerVerbs. - If it exits non-zero (not found), relay its diagnostic and suggest
/list.
- The CLI resolves private
-
Display the full masque:
═══════════════════════════════════════════════════════════════ [Name] v[version] ═══════════════════════════════════════════════════════════════ [tagline] ── Attributes ────────────────────────────────────────────────── Domain: [domain] Stack: [stack] Style: [style] Philosophy: [philosophy] ── Context ───────────────────────────────────────────────────── [context block - full content] ── Lens ──────────────────────────────────────────────────────── [full lens content]
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 74 lines · 0 tokens per session scan A 5028a2daf854
inspect is a command published in the GitHub repository ChrisDBaldwin/Masques (14 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 13 tokens to every session and 653 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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