What is trellis-meta?

A guide for understanding and changing Trellis, a local system for coordinating coding agents and storing project workflow data. It covers Trellis files, agents, skills, commands, workflows, channels, and memory.

Customizing a project's .trellis directory, platform hooks, workflow templates, bundled agents, multi-agent channels, and cross-session memory settings.

It helps an agent make informed changes to a project's Trellis setup instead of treating generated configuration as ordinary application code.

How tincopper/neeko configures Codex

Reuse

Borrowing it

Nothing to install: this file belongs to tincopper/neeko. 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/tincopper/neeko/main/.agents/skills/trellis-meta/SKILL.md

Clone the repo

git clone --depth 1 https://github.com/tincopper/neeko

Made for: 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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/tincopper/neeko/trellis-meta.svg)](https://agentmods.dev/skills/tincopper/neeko/trellis-meta)

Your own site

<a href="https://agentmods.dev/skills/tincopper/neeko/trellis-meta"><img src="https://agentmods.dev/badge/skills/tincopper/neeko/trellis-meta.svg" alt="Measured on agentmods" height="20"></a>

Per session 110 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 2,843 The whole file, excluding the scripts and references it only reads on demand.

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

Origin 100% copy Near-identical to another mod 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	$0.00110	$0.02843
Opus 5	$0.00055	$0.01422
Sonnet 5	$0.00022	$0.00569
Haiku 4.5	$0.00011	$0.00284

Measured 8d ago against content hash a190ecbde70a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

trellis-meta 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 8d 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.

Origin

This is a copy

100% identical to trellis-meta — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.agents/skills/trellis-meta/SKILL.md · 86 lines

How it starts

The opening of the file, as written. The whole thing — 86 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Trellis Meta

This skill is for local Trellis users who have already run trellis init in a project. After reading it, an AI should understand the Trellis architecture, operating model, and customization entry points inside that user project, then modify the generated .trellis/ and platform directory files according to the user's request.

Trellis v0.6 adds three architectural surfaces on top of the pre-v0.6 workflow / persistence / platform model. First, a multi-agent collaboration runtime: trellis channel coordinates multiple AI worker processes through project-scoped JSONL event logs at ~/.trellis/channels/<project>/<channel>/events.jsonl, with worker OOM guard, forum/thread channels, durable idempotency keys, and bundled .trellis/agents/{check,implement}.md runtime definitions. Second, cross-session memory: trellis mem list | search | context | extract | projects reads raw Claude Code, Codex, and Pi Agent JSONL already on disk, slices by --phase brainstorm|implement|all, and never uploads anything. Third, a dual-package npm release: @mindfoldhq/trellis (CLI) and @mindfoldhq/trellis-core (SDK with /channel, /task, /mem, /testing subpaths) ship in lockstep on one version. Treat these as first-class customization surfaces alongside the per-platform integration files.

The default operating scope is local files in the user project:

.trellis/: workflow, config, tasks, spec, workspace, scripts, bundled runtime agents, and runtime state.
Platform directories: .claude/, .codex/, .cursor/, .opencode/, .kiro/, .gemini/, .qoder/, .codebuddy/, .github/, .factory/, .pi/, .reasonix/, .kilocode/, .agent/, .devin/, and similar directories. Pi additionally exposes a native trellis_subagent tool with single / parallel / chain dispatch modes, throttled progress cards, and isTrellisAgent() validation on top of the file layout. Reasonix stores both workflow skills and subagent skills as .reasonix/skills/<name>/SKILL.md; subagent skills carry runAs: subagent frontmatter.
Shared skill layer: .agents/skills/.
User-owned channel store outside the project tree: ~/.trellis/channels/<project>/<channel>/events.jsonl.
Raw platform conversation logs queryable via trellis mem: ~/.claude/projects/, ~/.codex/sessions/, and ~/.pi/agent/sessions/ (OpenCode adapter degraded for the v0.6 line).

Do not assume the user has the Trellis source repository. Do not default to modifying the global npm install directory or node_modules — both @mindfoldhq/trellis and @mindfoldhq/trellis-core ship as published packages sharing one version and one git tag per release.

Read the full file on GitHub · 86 lines

Files

What ships with it

23 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

8d ago First seen · 86 lines · 110 tokens per session scan A a190ecbde70a

Subscribe to this mod's changes

trellis-meta is a skill published in the GitHub repository tincopper/neeko (11 stars, last pushed 4d ago), licensed Apache-2.0. It adds 110 tokens to every session and 2,843 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to trellis-meta, differing in 0 lines, and is treated as a copy.

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neeko: Skill for Codex