What is a2amesh AGENTS.md?

Repository instructions for A2A Mesh, a TypeScript monorepo containing an agent-to-agent runtime, protocol packages, registry, adapters, command-line tools, and tests. A monorepo keeps related packages in one repository.

Setting up the project, running linting, type checks, tests, builds, and the full verification gate across its packages.

They provide the exact supported tool versions and release checks, helping contributors avoid incompatible environments or incomplete changes.

How oaslananka/a2amesh configures Codex and OpenCode

Reuse

Borrowing it

Nothing to install: this file belongs to oaslananka/a2amesh. 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/oaslananka/a2amesh/main/AGENTS.md

Clone the repo

git clone --depth 1 https://github.com/oaslananka/a2amesh

Made for: Codex, OpenCode.

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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/oaslananka/a2amesh/agents-md/github.svg)](https://agentmods.dev/instructions/oaslananka/a2amesh/agents-md)

Your own site

<a href="https://agentmods.dev/instructions/oaslananka/a2amesh/agents-md"><img src="https://agentmods.dev/badge/instructions/oaslananka/a2amesh/agents-md/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.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/oaslananka/a2amesh/agents-md"><img src="https://agentmods.dev/badge/instructions/oaslananka/a2amesh/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 1,486 This file is loaded in full into every session.

When invoked 1,486 The same file — it is already loaded in full.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

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 5.1	$0.01486	$0.01486
Opus 5.5	$0.00594	$0.00594
Sonnet 5.5	$0.00297	$0.00297
Haiku 4.5	$0.00149	$0.00149

Measured 2mo ago against content hash 1b14d4eae612, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

a2amesh AGENTS.md 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 2mo ago.

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.

AGENTS.md · 173 lines

How it starts

The opening of the file, as written. The whole thing — 173 lines — stays where its author put it; the contents beside it link to each section on GitHub.

A2A Mesh Agent Map

What This Repository Is

A2A Mesh is an independent TypeScript monorepo for Agent2Agent-compatible runtime, client, registry, adapters, bridge packages, CLI, docs, and tests.

Use A2A Mesh for human-facing project identity and a2amesh for machine names. All public packages are scoped under @a2amesh/*.

Setup

Use the repository toolchain:

corepack enable
pnpm install --frozen-lockfile

Supported runtime is Node.js >=22.22.1 <25 and pnpm >=11 <12.

Build And Test

Run the narrowest relevant command first, then the broader gate:

pnpm run lint
pnpm run typecheck
pnpm run test
pnpm run build
pnpm run verify

pnpm run verify is the local release-quality gate. Do not bypass failing checks.

Repository Layout

.github/: workflows, issue templates, repo ruleset examples, and ownership.
packages/protocol/: @a2amesh/protocol — standalone protocol type definitions (zero deps).
packages/runtime/: public runtime, protocol types, server/client, auth, storage, telemetry, and security helpers.
packages/registry/: registry server, discovery, health, matching, and storage helpers.
packages/mcp/: A2A and MCP mapping helpers.
packages/cli/: a2amesh command-line interface.
packages/create-a2amesh/: @a2amesh/create-a2amesh scaffolder.
packages/adapters/: deprecated internal meta-package re-exporting per-provider adapter packages.
packages/adapter-base/: internal abstract base adapter and contract helpers.
packages/adapter-openai/: internal OpenAI Chat API adapter.
packages/adapter-anthropic/: internal Anthropic Claude Messages API adapter.
packages/adapter-langchain/: internal LangChain / LangGraph runnable adapter.
packages/adapter-google-adk/: internal Google Agent Development Kit HTTP adapter.
packages/adapter-llamaindex/: internal LlamaIndex query/chat engine adapter.
packages/adapter-crewai/: internal CrewAI HTTP bridge adapter.
packages/transport-ws/: internal WebSocket transport helpers.
packages/transport-grpc/: internal gRPC transport helpers.
packages/auth/: internal authentication helpers.
packages/telemetry/: internal telemetry helpers.
packages/fleet/: internal fleet/orchestration helpers.
packages/worker-runtime/: internal worker runtime helpers.
apps/: demos and UI smoke surfaces.
examples/: executable package consumer examples.
docs/: canonical markdown documentation.
docs-site/: VitePress site that mirrors the canonical docs topics.
scripts/: repository validation, docs generation, release, and cleanup scripts.
tests/: cross-package integration tests.

Read the full file on GitHub · 173 lines

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.

2mo ago First seen · 173 lines · 1,486 tokens per session scan A 1b14d4eae612

Subscribe to this mod's changes

a2amesh AGENTS.md is an instructions file published in the GitHub repository oaslananka/a2amesh (2 stars, last pushed 24d ago), licensed Apache-2.0. It adds 1,486 tokens to every session, about $0.0059 per session on Opus 5.5. 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 2026-08-31.

a2a a2a-protocol agent-to-agent agents ai-agents cli

a2amesh AGENTS.md next to 6 instructions from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
a2amesh AGENTS.mdoaslananka/a2amesh	Instructions file	2	24d ago	Apache-2.0	A	1,486	Codex, OpenCode
vscode buildNext.instructions.mdmicrosoft/vscode	Instructions file	195k	yesterday	MIT	A	9,719	GitHub Copilot
next.js AGENTS.mdvercel/next.js	Instructions file	143k	yesterday	MIT	A	7,461	Codex, OpenCode
langchain AGENTS.mdlangchain-ai/langchain	Instructions file	149k	yesterday	MIT	A	4,680	Codex, OpenCode
vscode oss-third-party-notices.instructions.mdmicrosoft/vscode	Instructions file	195k	yesterday	MIT	A	5,516	GitHub Copilot
vscode copilot-instructions.mdmicrosoft/vscode	Instructions file	195k	yesterday	MIT	A	3,093	GitHub Copilot
deepseek-harness AGENTS.mddeepseek-ai/deepseek-harness	Instructions file	274k	2d ago	MIT	A	4,313	Codex, OpenCode

a2amesh: Instructions file for Codex