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 gear-foundation/vara-skills --skill gear-gstd-api-mapgit clone --depth 1 https://github.com/gear-foundation/vara-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/gear-foundation/vara-skills/gear-gstd-api-map)<a href="https://agentmods.dev/skills/gear-foundation/vara-skills/gear-gstd-api-map"><img src="https://agentmods.dev/badge/skills/gear-foundation/vara-skills/gear-gstd-api-map/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/gear-foundation/vara-skills/gear-gstd-api-map"><img src="https://agentmods.dev/badge/skills/gear-foundation/vara-skills/gear-gstd-api-map.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 | $0.00074 | $0.00800 |
| Opus 5 | $0.00037 | $0.00400 |
| Sonnet 5 | $0.00015 | $0.00160 |
| Haiku 4.5 | $0.00007 | $0.00080 |
Grade A, and why
gear-gstd-api-map 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.
How it starts
The opening of the file, as written. The whole thing — 51 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Gear gstd API Map
Goal
Keep design work API-first: start from gstd, then drop to gcore or gsys only when you need to confirm limits, gas shape, or low-level behavior.
Inputs
../../references/gear-execution-model.md— execution model and block lifecycle../../references/gear-messaging-and-replies.md— message flow and reply semantics../../references/gear-gas-reservations-and-waitlist.md— gas reservations and waitlist../../references/gear-gstd-api-and-syscalls.md— full API surface and syscall mapping
Route Here When
- a spec or architecture note needs to know whether a Gear program can send, await replies, self-schedule, reserve gas, or create child programs
- a builder is choosing between typed payloads, raw bytes, staged push-plus-commit, or input-forwarding APIs
- a design depends on
#[gstd::async_main],_for_replyflows, delayed work,ReservationId, orprog::* - a debugging pass needs to confirm which
gr_*syscall family a high-level API actually reaches - a
send_for_replytargets a hardcoded non-programActorId(staking, proxy, BLS12-381, ETH bridge); route togear-builtin-actorsfor the per-actor request shape and reply decoding
Working Model
- Start from builder intent, not from raw syscalls.
- Choose the
gstdfamily:msg,exec,prog, reservations, or async helpers. - Prefer the highest-level API that preserves the contract: typed send and reply first, bytes only for intentional raw payload paths or codec debugging.
- Check design constraints: block-delayed execution, reply deposit, reservation lifetime, waitlist exposure, gas budget, and Sails Header routing stability for Sails clients.
- Drop to
gcoreto confirm wrapper behavior and togsysonly when you need exact syscall names, fallibility, or control-vs-get distinctions.
API Quick Reference
| Module | Key APIs | When to Use |
|---|---|---|
msg |
send, reply, send_delayed, send_for_reply, send_bytes, push-plus-commit |
Sending messages, replying, delayed dispatch, awaiting replies |
exec |
gas_available, block_height, wait, wait_for, wake, reply_deposit, exit |
Reading execution context, parking in waitlist, waking actors |
prog |
create_program, create_program_bytes, create-for-reply |
Creating child programs with optional delay and gas limits |
| reservations | ReservationId::reserve, .unreserve, reservation pools |
Future-block work that must keep a gas budget alive |
What ships with it
3 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 · 51 lines · 74 tokens per session scan A f9e19809286a
gear-gstd-api-map is a skill published in the GitHub repository gear-foundation/vara-skills (17 stars, last pushed 1mo ago), licensed MIT. It adds 74 tokens to every session and 800 once invoked, about $0.0004 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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