connect

connect is a skill for Claude Code from letrplB/second-brain. It costs 32 tokens per session (1,557 once invoked), scanned A, original, MIT.

A note-linking command that connects an existing note to related notes in a knowledge graph using two-way wiki-style links and membership lists.

In plain words
What is it for?
Use it after creating a claim note, when adding older work to new research, or when repairing an isolated note flagged by a quality check.
Why use it?
It removes the need to find and maintain every related link manually. Connected notes become easier to discover and follow as a chain of reasoning.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: mentions subagents.

Part of the second-brain plugin — 10 skills shipped together

Good fit Use it after creating a claim note, when adding older work to new research, or when repairing an isolated note flagged by a quality check.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/letrplb/second-brain/connect
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.

Any agent
npx skills add letrplB/second-brain --skill connect
Clone the repo
git clone --depth 1 https://github.com/letrplB/second-brain

Made for: Claude Code.

Or install second-brain, the plugin that ships this one along with the rest of its 10 skills.

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.

agentmods badge for connect

README.md
[![agentmods](https://agentmods.dev/badge/skills/letrplb/second-brain/connect/github.svg)](https://agentmods.dev/skills/letrplb/second-brain/connect)
Your own site
<a href="https://agentmods.dev/skills/letrplb/second-brain/connect"><img src="https://agentmods.dev/badge/skills/letrplb/second-brain/connect/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.

agentmods 80×15 button for connect

Your own site · 80×15
<a href="https://agentmods.dev/skills/letrplb/second-brain/connect"><img src="https://agentmods.dev/badge/skills/letrplb/second-brain/connect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 32 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,557 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 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 5.1 $0.00032 $0.01557
Opus 5.5 $0.00013 $0.00623
Sonnet 5.5 $0.00006 $0.00311
Haiku 4.5 $0.00003 $0.00156

Measured 1mo ago against content hash 53c9a806eab4, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

connect 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 1mo 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.

skills/connect/SKILL.md · 83 lines

How it starts

The opening of the file, as written. The whole thing — 83 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/connect

Intent. Take a note that exists but is poorly connected, and integrate it into the graph. Add inline [[wikilinks]] in its body where genuine connections exist; add inverse links from connected notes back to it; update MOC membership both ways.

When to invoke

  • Just after /extract (composed by /learn)
  • When you realise an old claim should link to newly-added work (use --bulk with a date-filtered glob)
  • When /audit flags a note as orphaned

Behaviour

Forward pass — add links from this note to others

  1. Read the target note: title, description, frontmatter, body.
  2. Discover candidates via two channels in parallel:
    • Semantic search: qmd query with intent = the note's description, types lex and vec. Return top ~30 candidates.
    • Frontmatter walk: read the note's tags, methods, topics, supports, contradicts arrays. Walk those notes; collect their tags + neighbours (one hop).
  3. Filter candidates. A connection is genuine when:
    • The target note's claim requires, follows from, qualifies, contradicts, or exemplifies the candidate
    • Or: the candidate is a method used in the target's evidence chain
    • Or: the candidate is a paper sourcing the target
    • Not genuine: "they share a topic", "they sound related", "they were co-extracted from the same source" (sibling-only)
  4. Add inline [[wikilinks]] in the body where genuine connections fit, with surrounding prose explaining the relationship. Avoid bare-link lists — context phrases prefix every link.
  5. Update structured frontmatter where the connection has a typed slot: supports, contradicts, methods arrays gain entries.

Backward pass — add links from others to this note

  1. For each connected note from step 4: read it. Decide whether the inverse link belongs in its body. If yes, add it (with surrounding prose).
  2. Update structured frontmatter on the connected notes if applicable (e.g. paper notes get the new claim in their claims: list — though /extract may have done this already).

Read the full file on GitHub · 83 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. 1mo ago First seen · 83 lines · 32 tokens per session scan A 53c9a806eab4

Subscribe to this mod's changes

connect is a skill published in the GitHub repository letrplB/second-brain (1 stars, last pushed 5mo ago), licensed MIT. It adds 32 tokens to every session and 1,557 once invoked, about $0.0001 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.

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