Manifest is an open-source gateway that gives AI agents and applications one OpenAI-compatible endpoint for API keys, subscriptions, local models, and other providers. It routes requests, records query data, tracks usage, and can fall back when a model request fails. The catalogue entry includes instructions, a hook, and a setting for operating Manifest.
Borrowing it
Nothing to install: this file belongs to mnfst/manifest. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/mnfst/manifest/main/AGENTS.mdgit clone --depth 1 https://github.com/mnfst/manifestWrote 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/instructions/mnfst/manifest/agents-md)<a href="https://agentmods.dev/instructions/mnfst/manifest/agents-md"><img src="https://agentmods.dev/badge/instructions/mnfst/manifest/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.
<a href="https://agentmods.dev/instructions/mnfst/manifest/agents-md"><img src="https://agentmods.dev/badge/instructions/mnfst/manifest/agents-md.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00158 | $0.00158 |
| Opus 5.5 | $0.00063 | $0.00063 |
| Sonnet 5.5 | $0.00032 | $0.00032 |
| Haiku 4.5 | $0.00016 | $0.00016 |
Grade A, and why
manifest 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.
What it actually says
Manifest Agent Guidelines
Domain Terminology
Manifest terminology is directional:
- A Manifest Request is one logical request from an agent to Manifest and lives in
requests. - A Provider Attempt is one request from Manifest to an AI provider and lives in
agent_messages. - An Agent is an AI agent owned by a tenant. The dashboard labels agents Harnesses (nav under
/harnesses; legacy/agents/*URLs redirect) — this is UI copy only; backend code, database tables, and API routes still say agent.
docs/glossary.md is the canonical contract for statuses, ordering, recovery, database mapping, and counting rules. Do not duplicate those definitions in agent guides.
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 Changed · +1 lines · +60 tokens per session 4cf0f8434f8a
- 2mo ago First seen · 11 lines · 98 tokens per session scan A 49eeb62d2de0
manifest AGENTS.md is an instructions file published in the GitHub repository mnfst/manifest (7,611 stars, last pushed 8d ago), licensed MIT. It adds 158 tokens to every session, about $0.0006 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 2026-08-30.
manifest AGENTS.md compared with instructions from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| manifest AGENTS.mdmnfst/manifest | Instructions file | 7.6k | 8d ago | MIT | A | 158 | Codex, OpenCode |
| vscode buildNext.instructions.mdmicrosoft/vscode | Instructions file | 195k | today | MIT | A | 9,719 | GitHub Copilot |
| next.js AGENTS.mdvercel/next.js | Instructions file | 143k | today | MIT | A | 7,461 | Codex, OpenCode |
| vscode oss-third-party-notices.instructions.mdmicrosoft/vscode | Instructions file | 195k | today | MIT | A | 5,516 | GitHub Copilot |
| langchain AGENTS.mdlangchain-ai/langchain | Instructions file | 149k | today | MIT | A | 4,680 | Codex, OpenCode |
| vscode copilot-instructions.mdmicrosoft/vscode | Instructions file | 195k | today | MIT | A | 3,093 | GitHub Copilot |
| deepseek-harness AGENTS.mddeepseek-ai/deepseek-harness | Instructions file | 274k | 2d ago | MIT | A | 4,313 | Codex, OpenCode |