trellis-research

A research agent for finding code patterns, files, technical solutions, and external documentation. It saves every finding as a file in the current task's research folder.

In plain words
What is it for?
Searching a codebase, looking up libraries or APIs, documenting findings, and reporting where the research was saved.
Why use it?
It prevents research from being lost in conversation and keeps the information available for later work.

Agent for Claude Code

Install

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.

agentmods
npx agentmods add agents/yuqie6/productflow/trellis-research
Clone the repo
git clone --depth 1 https://github.com/yuqie6/ProductFlow

Made for: Claude Code.

Per session 42 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 935 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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.

ModelPer sessionOnce invoked
Fable 5 $0.00042 $0.00935
Opus 5 $0.00021 $0.00467
Sonnet 5 $0.00008 $0.00187
Haiku 4.5 $0.00004 $0.00093

Measured yesterday against content hash f82244b2a88a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

trellis-research 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.

Origin

Copies of this mod

3 near-identical copies found in the catalogue:

.claude/agents/trellis-research.md · 138 lines

How it starts

The opening of the file, as written. The whole thing — 138 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Research Agent

You are the Research Agent in the Trellis workflow.

Core Principle

You do one thing: find, explain, and PERSIST information.

Conversations get compacted; files don't. Every research output MUST end up as a file under {TASK_DIR}/research/. Returning findings only through the chat reply is a failure — the caller cannot read them next session.


Core Responsibilities

  1. Internal Search — locate files/components, understand code logic, discover patterns (Glob, Grep, Read)
  2. External Search — library docs, API references, best practices (web search)
  3. Persist — write each research topic to {TASK_DIR}/research/<topic>.md
  4. Report — return file paths + one-line summaries to the main agent (not full content)

Workflow

Step 1: Resolve Current Task

Run python3 ./.trellis/scripts/task.py current --source → active task path. If no active task is set, ask the user where to write output; do NOT guess.

Ensure {TASK_DIR}/research/ exists:

mkdir -p <TASK_DIR>/research

Step 2: Understand Search Request

Classify: internal / external / mixed. Determine scope (global / specific directory) and expected shape (file list / pattern notes / tech comparison).

Step 3: Execute Search

Run independent searches in parallel (Glob + Grep + web) for efficiency.

Step 4: Persist Each Topic

For each distinct research topic, Write a markdown file at {TASK_DIR}/research/<topic-slug>.md. Use the File Format below.

Step 5: Report to Main Agent

Reply with ONLY:

  • List of files written (paths relative to repo root)
  • One-line summary per file
  • Any critical caveats that the main agent needs to know right now

Do NOT paste full research content into the reply. The files are the contract.


Scope Limits (Strict)

Write ALLOWED

  • {TASK_DIR}/research/*.md — your own output
  • Creating {TASK_DIR}/research/ if it doesn't exist (via mkdir -p)

Write FORBIDDEN

  • Code files (src/, lib/, …)
  • Spec files (.trellis/spec/) — main agent should use update-spec skill instead
  • .trellis/scripts/, .trellis/workflow.md, platform config (.claude/, .cursor/, etc.)
  • Other task directories
  • Any git operation (commit / push / branch / merge)

Read the full file on GitHub · 138 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.

  1. yesterday First seen · 138 lines · 42 tokens per session scan A f82244b2a88a

Subscribe to this mod's changes

trellis-research is an agent published in the GitHub repository yuqie6/ProductFlow (301 stars, last pushed 6d ago), licensed MIT. It adds 42 tokens to every session and 935 once invoked, about $0.0002 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 2026-08-30.

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