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 zrtch/awesome-skills --skill a2a-marketplacegit clone --depth 1 https://github.com/zrtch/awesome-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/zrtch/awesome-skills/a2a-marketplace)<a href="https://agentmods.dev/skills/zrtch/awesome-skills/a2a-marketplace"><img src="https://agentmods.dev/badge/skills/zrtch/awesome-skills/a2a-marketplace/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/zrtch/awesome-skills/a2a-marketplace"><img src="https://agentmods.dev/badge/skills/zrtch/awesome-skills/a2a-marketplace.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 | $0.00027 | $0.00569 |
| Opus 5 | $0.00014 | $0.00284 |
| Sonnet 5 | $0.00005 | $0.00114 |
| Haiku 4.5 | $0.00003 | $0.00057 |
Grade A, and why
a2a-marketplace 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 11d 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
A2A Marketplace (AgentForge)
Use the AgentForge marketplace tools to discover, evaluate, and execute AI tools from a curated marketplace.
Quick Start
Search for tools:
Use forge_discover to find a tool for "sentiment analysis"
Execute a tool:
Use forge_execute with toolId "tool-abc" and input { "text": "Hello world" }
Available Tools
| Tool | Description |
|---|---|
forge_discover |
Search marketplace by query, category, price, trust score, tags |
forge_execute |
Execute a tool (billing applied automatically) |
forge_get_schema |
Get input/output schema for a tool |
forge_balance |
Check agent balance, spending, and tier |
forge_list_categories |
List all tool categories |
forge_batch_execute |
Execute up to 10 tools in parallel |
Workflows
Find the best tool for a task
- Use
forge_discoverwith your query and optional filters (category, maxPrice, minTrustScore) - Use
forge_get_schemato understand the input format - Use
forge_executeto run the tool
Budget-conscious execution
- Use
forge_balanceto check remaining budget - Use
forge_discoverwithmaxPricefilter - Compare tools by trust score and price
- Execute with confidence
Batch processing
Use forge_batch_execute to run multiple tools at once:
{
"calls": [
{ "toolId": "sentiment-v2", "input": { "text": "Great product!" } },
{ "toolId": "translate-en-vi", "input": { "text": "Hello world" } }
]
}
Categories
Common categories: nlp, vision, code, data, audio, security, blockchain, productivity
Trust Scores
Tools are scored 0-100 based on:
- Uptime and reliability
- Response time
- User ratings
- Security audit status
- API compliance
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.
- 11d ago First seen · 92 lines · 27 tokens per session scan A 806e8e6c95d4
a2a-marketplace is a skill published in the GitHub repository zrtch/awesome-skills (2 stars, last pushed 5mo ago), licensed MIT. It adds 27 tokens to every session and 569 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 2026-08-31.
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