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gram: Skill for Claude Code

.agents/skills/testing-local-slack/SKILL.md

testing-local-slack is a skill for Claude Code, Codex from speakeasy-api/gram. It costs 52 tokens per session (1,678 once invoked), scanned A, original, AGPL-3.0.

A local testing guide for connecting a project assistant to Slack, a team messaging service. It covers callback setup through ngrok, which exposes a local app to the internet for testing.

In plain words
What is it for?
Use it when setting up the local Slack app, testing message delivery, configuring callbacks, or investigating failed Slack assistant requests.
Why use it?
It helps diagnose why Slack messages do not arrive or why Slack rejects requests. It also addresses verification, signature, routing, and permission errors.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing. Also seen: installed under .agents/ (shared by several agents).

This is speakeasy-api/gram's own configuration. It tells Claude Code and Codex how to work on gram itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything gram configures →

not rated 277repo +2 today A scan 52 tokens AGPL-3.0
View source ↗ speakeasy-api/gram speakeasy.com
Reuse

Borrowing it

Nothing to install: this file belongs to speakeasy-api/gram. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/speakeasy-api/gram/main/.agents/skills/testing-local-slack/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/speakeasy-api/gram

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for testing-local-slack

README.md
[![agentmods](https://agentmods.dev/badge/skills/speakeasy-api/gram/testing-local-slack/github.svg)](https://agentmods.dev/skills/speakeasy-api/gram/testing-local-slack)
Your own site
<a href="https://agentmods.dev/skills/speakeasy-api/gram/testing-local-slack"><img src="https://agentmods.dev/badge/skills/speakeasy-api/gram/testing-local-slack/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.

agentmods 80×15 button for testing-local-slack

Your own site · 80×15
<a href="https://agentmods.dev/skills/speakeasy-api/gram/testing-local-slack"><img src="https://agentmods.dev/badge/skills/speakeasy-api/gram/testing-local-slack.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 52 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,678 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown 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 5.1 $0.00052 $0.01678
Opus 5.5 $0.00021 $0.00671
Sonnet 5.5 $0.00010 $0.00336
Haiku 4.5 $0.00005 $0.00168

Measured yesterday against content hash 758ab4c6057c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

testing-local-slack 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 -s http://localhost:4040/api/tunnels |
.agents/skills/testing-local-slack/SKILL.md · 107 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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. yesterday First seen · 107 lines · 52 tokens per session scan A 758ab4c6057c

Subscribe to this mod's changes

testing-local-slack is a skill published in the GitHub repository speakeasy-api/gram (277 stars, last pushed today), licensed AGPL-3.0. It adds 52 tokens to every session and 1,678 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 2026-11-05.

DebuggingGoTestingTypeScriptagentsmcpopenapiserverless
Related

testing-local-slack compared with skills from other repositories

testing-local-slack next to 6 skills from other repositories
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