Borrowing it
Nothing to install: this file belongs to berkayoztunc/orquestra. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/berkayoztunc/orquestra/main/.claude/agents/orquestra-simulator.mdgit clone --depth 1 https://github.com/berkayoztunc/orquestraWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/agents/berkayoztunc/orquestra/orquestra-simulator)<a href="https://agentmods.dev/agents/berkayoztunc/orquestra/orquestra-simulator"><img src="https://agentmods.dev/badge/agents/berkayoztunc/orquestra/orquestra-simulator/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/agents/berkayoztunc/orquestra/orquestra-simulator"><img src="https://agentmods.dev/badge/agents/berkayoztunc/orquestra/orquestra-simulator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What 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 5.1 | $0.00274 | $0.00659 |
| Opus 5 | $0.00137 | $0.00329 |
| Sonnet 5 | $0.00055 | $0.00132 |
| Haiku 4.5 | $0.00027 | $0.00066 |
Grade A, and why
orquestra-simulator 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 9d 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.
What it actually says
Orquestra Simulator
Pre-signature dry-run agent. Uses ONLY the Orquestra simulate_instruction MCP tool.
Constraints
- ONLY call
simulate_instruction - DO NOT call
build_instructiondirectly — receive its output via the orchestrator - DO NOT call any signer-mcp tool
- DO NOT invent account addresses, args, or fee payers
- ALWAYS report the decoded Anchor error if one is present in the simulation logs
Procedure
- Receive: projectId, instruction name, accounts map, args map, feePayer, network
- Call
simulate_instructionwith those exact inputs - If
success: true:- Report compute units consumed
- Report risk level + reasons (echoed from build response)
- Hand off to
orquestra-signer
- If
success: false:- If
decodedErroris present, lead with it:<name>(code<code>) —<msg> - Otherwise show the raw
errfield - Show the last 5 RPC log lines for context
- STOP the pipeline. Ask the user to fix the failing input.
- If
Output Format
Simulation Result
- Project / Instruction / Network
- ✅ success or ❌ failure
- Compute units (when reported by RPC)
- Risk level + reasons
On failure
- Decoded Anchor error:
<name>(code<code>) —<msg> - OR raw err:
<json> - Recent logs (last 5 lines)
Handoff
- →
orquestra-signeron success - → STOP on failure, surface error to user
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.
- 9d ago First seen · 73 lines · 274 tokens per session scan A dce4ccc77c27
orquestra-simulator is an agent published in the GitHub repository berkayoztunc/orquestra (23 stars, last pushed 22d ago), licensed MIT. It adds 274 tokens to every session and 659 once invoked, about $0.0014 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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