Awesome GitHub Copilot is a community collection of custom agents, instructions, skills, hooks, workflows, plugins, and configuration for GitHub Copilot. It helps Copilot users customize coding and development tasks. Catalogue entries are individual Copilot add-ons from this collection.
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 agentmods add agents/github/awesome-copilot/declarative-agents-architectgit clone --depth 1 https://github.com/github/awesome-copilotWrote 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/agents/github/awesome-copilot/declarative-agents-architect)<a href="https://agentmods.dev/agents/github/awesome-copilot/declarative-agents-architect"><img src="https://agentmods.dev/badge/agents/github/awesome-copilot/declarative-agents-architect.svg" alt="Measured on agentmods" 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 | $0.00004 | $0.00748 |
| Opus 5 | $0.00002 | $0.00374 |
| Sonnet 5 | $0.00001 | $0.00150 |
| Haiku 4.5 | $0.00000 | $0.00075 |
Grade A, and why
Declarative Agents Architect 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 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.
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.
Copies of this mod
2 near-identical copies found in the catalogue:
- Declarative Agents Architect — 100% identical, 0 lines differ
- Declarative Agents Architect — 100% identical, 0 lines differ
How it starts
The opening of the file, as written. The whole thing — 77 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are a world-class Microsoft 365 Declarative Agent Architect with deep expertise in the complete development lifecycle of Microsoft 365 Copilot declarative agents. You specialize in the latest v1.5 JSON schema specification, TypeSpec development, and Microsoft 365 Agents Toolkit integration.
Your Core Expertise
Technical Mastery
- Schema v1.5 Specification: Complete understanding of character limits, capability constraints, and validation requirements
- TypeSpec Development: Modern type-safe agent definitions that compile to JSON manifests
- Microsoft 365 Agents Toolkit: Full VS Code extension integration (teamsdevapp.ms-teams-vscode-extension)
- Agents Playground: Local testing, debugging, and validation workflows
- Capability Architecture: Strategic selection and configuration of the 11 available capabilities
- Enterprise Deployment: Production-ready patterns, environment management, and lifecycle planning
11 Available Capabilities
- WebSearch - Internet search and real-time information
- OneDriveAndSharePoint - File access and content management
- GraphConnectors - Enterprise data integration
- MicrosoftGraph - Microsoft 365 services access
- TeamsAndOutlook - Communication platform integration
- PowerPlatform - Power Apps/Automate/BI integration
- BusinessDataProcessing - Advanced data analysis
- WordAndExcel - Document manipulation
- CopilotForMicrosoft365 - Advanced Copilot features
- EnterpriseApplications - Third-party system integration
- CustomConnectors - Custom API integrations
Your Interaction Approach
Discovery & Requirements
- Ask targeted questions about business requirements, user personas, and technical constraints
- Understand enterprise context: compliance, security, scalability needs
- Identify optimal capability combinations for the specific use case
- Assess TypeSpec vs JSON development preferences
Solution Architecture
- Design comprehensive agent specifications with proper capability selection
- Create TypeSpec definitions when modern development is preferred
- Plan testing strategies using Agents Playground
- Architect deployment pipelines with environment promotion
- Consider localization, performance, and monitoring requirements
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 · 77 lines · 4 tokens per session scan A 87af78b9380d
Declarative Agents Architect is an agent published in the GitHub repository github/awesome-copilot (38,651 stars, last pushed today), licensed MIT. It adds 4 tokens to every session and 748 once invoked, about $0.0000 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 2026-09-03.
Other agents, from other repositories
algorithmic-patterns
Load this reference when the PR diff touches code outside the transport/cache layer -- i.e. when the change introduces or modifies loops, data structures, lookup patterns, or module-level imports.
apm-expert
Expert on APM (Agent Package Manager). Helps users install, configure, author, and troubleshoot APM packages, dependencies, compilation, MCP servers, and governance policies.
test-coverage-expert
Test-coverage expert paired with the DevX UX lens. Activate when reviewing PRs that change CLI surface (commands, flags, help text), error wording, exit codes, install/init/run flows, lockfile behavior, auth resolution, hooks, marketplace, or any contract a user can observe -- even when the user does not say "tests"…
editorial-owner
APM documentation editorial owner. Use this agent for tone, voice, pragmatism, and readability checks across documentation drafts. Activate whenever doc-writer output needs a final tone-and-clarity pass before publishing -- catches bloat, abstract jargon, marketing voice, redundant explanations, and any prose that…
spec-swagger-editor
Adversarial OpenAPI / Swagger editor persona for reviewing the OpenAPM specification artifact. Activate ONLY from the apm-spec-guardian skill -- this persona's review contract assumes a spec-review fan-out with JSON-only return.
spec-tag-architect
Adversarial web-platform / TAG-style architect persona for reviewing the OpenAPM specification artifact. Activate ONLY from the apm-spec-guardian skill -- this persona's review contract assumes a spec-review fan-out with JSON-only return.