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 OpenAgentsInc/openagents --skill openagents-apigit clone --depth 1 https://github.com/OpenAgentsInc/openagentsWrote 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/openagentsinc/openagents/openagents-api)<a href="https://agentmods.dev/skills/openagentsinc/openagents/openagents-api"><img src="https://agentmods.dev/badge/skills/openagentsinc/openagents/openagents-api/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/openagentsinc/openagents/openagents-api"><img src="https://agentmods.dev/badge/skills/openagentsinc/openagents/openagents-api.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 | $0.00048 | $0.00710 |
| Opus 5.5 | $0.00019 | $0.00284 |
| Sonnet 5.5 | $0.00010 | $0.00142 |
| Haiku 4.5 | $0.00005 | $0.00071 |
Grade A, and why
openagents-api scanned grade A with 1 finding 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 8d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl https://api.openagents.com/v1/responses \ How it starts
The opening of the file, as written. The whole thing — 60 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OpenAgents API
One API for many models. It speaks Open Responses and the OpenAI Chat Completions API, so OpenAI SDKs work with two changes. Beta.
| Base URL | https://api.openagents.com/v1 (https://openagents.com/api/v1 and https://openagents.com/v1 still answer but are deprecated) |
| Key | Authorization: Bearer $OPENAGENTS_API_KEY (an oak_ key) |
| Docs | https://openagents.com/docs/api.md |
| Prices | https://openagents.com/docs/api/models.md |
| Getting a key | https://openagents.com/auth.md |
| Docs for agents | https://openagents.com/docs/agents/start-here.md |
Steps
-
Read the key from
OPENAGENTS_API_KEY. If it is missing, tell the person to make one at https://openagents.com/settings/api-keys, or sign up as an agent yourself (https://openagents.com/docs/agents/sign-up.md); never ask for it in chat or write it to a file. -
Send a request:
curl https://api.openagents.com/v1/responses \ -H "Authorization: Bearer $OPENAGENTS_API_KEY" \ -H "Content-Type: application/json" \ -d '{"model": "openagents/chat", "input": "Say hello."}'openagents/chatlets OpenAgents pick the model. Name one (see the prices page) to choose it yourself. -
With an OpenAI SDK, set
base_urltohttps://api.openagents.com/v1and pass the key as the API key. -
On
429, wait forRetry-After. On402, the balance is too low; tell the person. Every answer has anx-request-idto quote when asking for help.
Reading the docs as tools
The docs MCP server at https://openagents.com/mcp/docs (Streamable HTTP,
no key) has list_docs, search_docs, read_doc, and list_models.
More tasks
Each is a page with the exact requests, as Markdown:
- Sign up as an agent: https://openagents.com/docs/agents/sign-up.md
- Buy credits over Lightning: https://openagents.com/docs/agents/buy-credits.md
- Stream an answer or start a chat: https://openagents.com/docs/agents/chat-and-stream.md
- Typed decisions: https://openagents.com/docs/agents/decisions.md
- Projects, files, invitations: https://openagents.com/docs/agents/projects.md
- Coder headless: https://openagents.com/docs/agents/coder-headless.md
- Every endpoint: https://openagents.com/docs/agents/endpoints.md
- Every error code: https://openagents.com/docs/agents/errors.md
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.
- 8d ago Changed · +15 lines 5d864639558f
- 14d ago First seen · 45 lines · 48 tokens per session scan A 42b35fa699ef
openagents-api is a skill published in the GitHub repository OpenAgentsInc/openagents (458 stars, last pushed today), licensed Apache-2.0. It adds 48 tokens to every session and 710 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-10.
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