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 skills add bestagentkits/agency-skills --skill agent-protocolgit clone --depth 1 https://github.com/bestagentkits/agency-skillsWrote 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/skills/bestagentkits/agency-skills/agent-protocol)<a href="https://agentmods.dev/skills/bestagentkits/agency-skills/agent-protocol"><img src="https://agentmods.dev/badge/skills/bestagentkits/agency-skills/agent-protocol/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/skills/bestagentkits/agency-skills/agent-protocol"><img src="https://agentmods.dev/badge/skills/bestagentkits/agency-skills/agent-protocol.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 | $0.00053 | $0.03973 |
| Opus 5 | $0.00026 | $0.01987 |
| Sonnet 5 | $0.00011 | $0.00795 |
| Haiku 4.5 | $0.00005 | $0.00397 |
Grade A, and why
agent-protocol 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.
How it starts
The opening of the file, as written. The whole thing — 452 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Inter-Agent Protocol
How C-suite agents talk to each other. Rules that prevent chaos, loops, and circular reasoning.
Keywords
agent protocol, inter-agent communication, agent invocation, agent orchestration, multi-agent, c-suite coordination, agent chain, loop prevention, agent isolation, board meeting protocol
Invocation Syntax
Any agent can query another using:
[INVOKE:role|question]
Examples:
[INVOKE:cfo|What's the burn rate impact of hiring 5 engineers in Q3?]
[INVOKE:cto|Can we realistically ship this feature by end of quarter?]
[INVOKE:chro|What's our typical time-to-hire for senior engineers?]
[INVOKE:cro|What does our pipeline look like for the next 90 days?]
Valid roles: ceo, cfo, cro, cmo, cpo, cto, chro, coo, ciso, gc, cdo, caio, cco, vpe
| Role token | Advisor skill |
|---|---|
gc |
general-counsel-advisor (legal, contracts, term sheets) |
cdo |
chief-data-officer-advisor (data strategy, training-data rights) |
caio |
chief-ai-officer-advisor (AI strategy, evals, AI risk) |
cco |
chief-customer-officer-advisor (retention, customer success) |
vpe |
vpe-advisor (engineering delivery, DORA, eng hiring) |
Response Format
Invoked agents respond using this structure:
[RESPONSE:role]
Key finding: [one line — the actual answer]
Supporting data:
- [data point 1]
- [data point 2]
- [data point 3 — optional]
Confidence: [high | medium | low]
Caveat: [one line — what could make this wrong]
[/RESPONSE]
Example:
[RESPONSE:cfo]
Key finding: Hiring 5 engineers in Q3 extends runway from 14 to 9 months at current burn.
Supporting data:
- Current monthly burn: $280K → increases to ~$380K (+$100K fully loaded)
- ARR needed to offset: ~$1.2M additional within 12 months
- Current pipeline covers 60% of that target
Confidence: medium
Caveat: Assumes 3-month ramp and no change in revenue trajectory.
[/RESPONSE]
Loop Prevention (Hard Rules)
These rules are enforced unconditionally. No exceptions.
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 · 452 lines · 53 tokens per session scan A 72d480ce5dbd
agent-protocol is a skill published in the GitHub repository bestagentkits/agency-skills (10 stars, last pushed 2mo ago), licensed MIT. It adds 53 tokens to every session and 3,973 once invoked, about $0.0003 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 2026-08-31.
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