An authenticated HTTP interface that lists the active plugins on an agent-exec server and links to their usage documentation.

Use it to list plugins, fetch each plugin's instructions, and run documented plugin commands through the execution endpoint.

It helps an agent discover available extensions and learn the commands they expose before using them.

plugins — Skill by to-agent

Install

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.

agentmods

npx agentmods add skills/to-agent/agent-exec/plugins

Any agent

npx skills add to-agent/agent-exec --skill plugins

Clone the repo

git clone --depth 1 https://github.com/to-agent/agent-exec

Made for: Claude Code, Codex.

Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 365 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 1 finding. Scan, not verified.

Origin original No closer match found in the catalogue.

Token cost

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	$0.00000	$0.00365
Opus 5	$0.00000	$0.00182
Sonnet 5	$0.00000	$0.00073
Haiku 4.5	$0.00000	$0.00036

Measured yesterday against content hash 8b8fe9cad616, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

plugins 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 yesterday.

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 -H "X-API-Key: <API_KEY>" http://<host>/api/plugins

content/api/plugins/SKILL.md · 52 lines

What it actually says

SKILL: plugins

Endpoint: GET /api/plugins

Description: List active plugins and links to their documentation

Overview

Returns active plugins with links to their SKILL documentation.

curl -H "X-API-Key: <API_KEY>" http://<host>/api/plugins

Response

{
  "plugins": [
    {"name": "<plugin name>", "skill": "/private/skills/<name>/SKILL.json"}
  ]
}

The skill URL follows the response format:

GET /api/plugins.json returns SKILL.json links
GET /api/plugins.md returns SKILL.md links
GET /api/plugins.html returns SKILL.html links

How to use

Call GET /api/plugins to get the plugin list
For each plugin, fetch the skill URL with your API_KEY to read its usage documentation
Use the documented commands via POST /api/exec

# Step 1: list plugins
curl -H "X-API-Key: <API_KEY>" http://<host>/api/plugins

# Step 2: read plugin docs
curl -H "X-API-Key: <API_KEY>" http://<host>/private/skills/<name>/SKILL.json

# Step 3: execute
curl -X POST http://<host>/api/exec \
  -H "X-API-Key: <API_KEY>" \
  -H "Content-Type: application/json" \
  -d '{"args": ["<command>", "--version"]}'

Authentication

Required: X-API-Key: <API_KEY>.

Changes

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.

yesterday First seen · 52 lines · 0 tokens per session scan A 8b8fe9cad616

Subscribe to this mod's changes

plugins is a skill published in the GitHub repository to-agent/agent-exec (1 stars, last pushed 3mo ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 365 tokens. 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 2026-08-31.

ACL Backend and APIs Writing and docs agent-tools ai-agent claude-code codex execution-gateway

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plugins