Contract Error And Pragmatics Design

Community

Sahil-SS9

contract-error-and-pragmatics-design

Design errors, pagination, idempotency and field behaviour as first-class contract parts.

Overview

Publisher	Sahil-SS9
Repository	`agent-personas`
Skill name	`contract-error-and-pragmatics-design`
Stars	67
Forks	4
Bundled files	1
License	MIT
Links	Skill source Repository

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
1 bundled files
Scripts, templates, and references the model can read while it works. Files are read-only and never executed.
Open source
Published by Sahil-SS9 on GitHub. Read the source before you install it.

Installation

Install the Contract Error And Pragmatics Design AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/Sahil-SS9/agent-personas/tree/main/skills/contract-error-and-pragmatics-design
Enable the skill in any chat where you want it available.

Store

Installed

Skills

Add skills

Import one or more skills from a public GitHub folder or a local .skill or .zip archive, or SKILL.md file.

From GitHub URLFrom .skill, .zip, or SKILL.md

GitHub repo or folder

https://github.com/Sahil-SS9/agent-personas/tree/main/skills/contract-error-and-pragmatics-design

Points to a single skill folder, or any folder that contains multiple skills. Public repos only.

CancelContinue

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/Sahil-SS9/agent-personas.git /tmp/agent-personas
mkdir -p .claude/skills
cp -r /tmp/agent-personas/skills/contract-error-and-pragmatics-design .claude/skills/contract-error-and-pragmatics-design

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Contract Error And Pragmatics Design in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Contract Error And Pragmatics Design on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Contract Error And Pragmatics Design is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Contract error and pragmatics design

When to use

Finalising any API contract: errors and client-facing mechanics are part of the contract, not afterthoughts.

Procedure

Design the error structure with stable codes and consistent shape; document every error with the same rigour as success paths.
Distinguish client-fault (fix the request) from server-fault (retry with backoff) in the error semantics; clients will build retry logic on this — make it reliable.
Treat as first-class: pagination (default page sizes that don't silently change old-client assumptions), filtering, field masks for partial updates, long-running operations for slow work, request identification for deduplication.
Make Create idempotent (client-supplied IDs or idempotency keys) so network retries converge instead of duplicating.
Document field behaviour per field: required, optional, output-only, immutable — client generators and validators depend on it.

Decision rules

An error a client cannot act on is a defect: every documented error states its cause and the client's next move.
Pagination added late must default to behaviour compatible with the previously-returned full set, or be a major version.
Slow operations are modelled as long-running operations, never as long-blocking requests.

Pitfalls

200-OK-with-error-body designs.
Undocumented output-only fields that client validators choke on.

Done

Documented error catalogue, pagination/filtering/idempotency decisions, and field-behaviour annotations covering the whole surface.

Bundled files

The model reads these on demand while the skill is loaded. They are exposed as readable files and are never executed.

NOTICE1 KB

Frequently asked questions

What does the Contract Error And Pragmatics Design AI skill do?

Design errors, pagination, idempotency and field behaviour as first-class contract parts.

Why use Contract Error And Pragmatics Design on TypingMind?

Because you install it once and use it with any model. Contract Error And Pragmatics Design is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Contract Error And Pragmatics Design in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/Sahil-SS9/agent-personas/tree/main/skills/contract-error-and-pragmatics-design. TypingMind reads its SKILL.md and bundles its files and installs it as a skill you can enable per chat.

Which AI models can use Contract Error And Pragmatics Design?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Contract Error And Pragmatics Design?

As many as you like. As long as a model supports skills, you can use Contract Error And Pragmatics Design with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Contract Error And Pragmatics Design AI skill free?

Yes. It is published on GitHub by Sahil-SS9 under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

Contract error and pragmatics design

When to use

Procedure

Decision rules

Pitfalls

Done

Bundled files

Frequently asked questions

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