skill-finder

A skill for finding and installing agent skills from a customer API hub. It can search for one matching skill or list the available catalogue, then verify an installer's digital signature.

In plain words
What is it for?
Use it to search for and install a skill by describing what you need, or to list all available skills with pagination.
Why use it?
It helps locate reusable agent capabilities without manually browsing the catalogue. Signature checks help confirm that a downloaded skill is trusted before installation.

Skill for Claude CodeCodex

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/apigee/devrel/skill-finder
Any agent
npx skills add apigee/devrel --skill skill-finder
Clone the repo
git clone --depth 1 https://github.com/apigee/devrel

Made for: Claude Code, Codex.

Per session 80 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,901 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 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.

ModelPer sessionOnce invoked
Fable 5 $0.00080 $0.01901
Opus 5 $0.00040 $0.00950
Sonnet 5 $0.00016 $0.00380
Haiku 4.5 $0.00008 $0.00190

Measured 2d ago against content hash 49f076cef89d, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

skill-finder scanned grade B 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 2d ago.

The scan reads SKILL.md. This mod also ships 2 executable files (scripts/find_install.py, scripts/list_skills.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Reads agent configuration directoriesmediumAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

`~/.gemini/config/skills/` (the canonical global skills root).
references/apigee-skills-serving/skills/skill-finder/SKILL.md · 179 lines

How it starts

The opening of the file, as written. The whole thing — 179 lines — stays where its author put it; the contents beside it link to each section on GitHub.

skill-finder

⚠️ Runtime requirements (read this first)

This skill requires its bundled venv wrapper. The Python scripts depend on cryptography, google-auth, requests, and pyyaml, which are installed into a per-user venv by the installer (bin/install-skill-finder.sh). They are not available to the system python3.

Always invoke scripts via the wrapper, never via bare python3:

# CORRECT - invokes the venv Python via the wrapper:
${SKILL_DIR}/bin/run-with-venv.sh ${SKILL_DIR}/scripts/<script>.py <args>

# WRONG - system python3 will hit ModuleNotFoundError:
python3 ${SKILL_DIR}/scripts/<script>.py <args>

The Command blocks in this file use the wrapper form. Do not "simplify" them to python3 … — the scripts will fail with ModuleNotFoundError: No module named 'cryptography' (or similar) and the agent will then waste a turn debugging a configuration issue that doesn't exist.

If the wrapper at ${SKILL_DIR}/bin/run-with-venv.sh is missing, the skill was installed by a pre-v0.1.4 installer. Re-run bin/install-skill-finder.sh to regenerate the wrapper. The scripts themselves also detect this case at startup and emit an actionable error pointing back here.


This skill has two modes. Choose the one that fits the user's intent:

User intent Use this mode Script
"What skills are available?" / "Show me the catalog" / "Browse skills" / "What can the agent do via API hub?" List (browse, no install) list_skills.py
"Find a skill that does X" / "Install a skill for Y" / "Look that up in API hub" (where there is one stated need) Install (search + verify + install) find_install.py

If the user is browsing or exploring, use List first; the user can then ask "install " and you switch to Install with that name as the query.

Runtime dispatch

Both modes ship as one behavioural contract that runs on two runtimes. Pick the invocation path that matches the runtime:

Read the full file on GitHub · 179 lines

Files

What ships with it

5 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.

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.

  1. 2d ago First seen · 179 lines · 80 tokens per session scan B 49f076cef89d

Subscribe to this mod's changes

skill-finder is a skill published in the GitHub repository apigee/devrel (220 stars, last pushed 19d ago), licensed Apache-2.0. It adds 80 tokens to every session and 1,901 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.