Explain a MemMesh prediction or recalled fact — surface its provenance (evidence memories), its calibrated confidence, and whether the model abstained and why.

Apache-2.0Auto-check passed

Install Why

skills CLI
$ npx skills add ThinkfleetAI/memmesh --skill why -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install ThinkfleetAI/memmesh why --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/ThinkfleetAI/memmesh.git skills-src && mkdir -p .claude/skills && cp -r skills-src/integrations/memmesh-plugin/skills/why .claude/skills/why && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
why
GitHub stars
419
Token cost
~566 tokens
SKILL.md length
250 words
Files
1
Skills in repo
24
Repo updated
First seen
Licence
Apache-2.0

At a glance

Explain a MemMesh prediction or recalled fact — surface its provenance (evidence memories), its calibrated confidence, and whether the model abstained and why.

  • The user asks why do you think that
  • SKILL.md covers Provenance — what is this…, Calibration — is the…, Abstention — the honest "I… and For regulated use
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Whats this based on

What it does

Why is an agent skill from ThinkfleetAI/memmesh. Explain a MemMesh prediction or recalled fact — surface its provenance (evidence memories), its calibrated confidence, and whether the model abstained and why. Use when the user asks "why do you think that", "what's this based on", "how sure are you", or needs an auditable, defensible answer for a regulated decision.

Its SKILL.md is about 570 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: Persistent, self-improving memory for AI agents. Local-first Rust memory engine with MCP support. The licence is Apache-2.0.

When your agent uses it

  • The user asks why do you think that
  • Whats this based on
  • How sure are you
  • Needs an auditable

Example prompts

  • “why do you think that”
  • “s this based on”
  • “how sure are you”
  • “/why”

What it can do on your machine

Read from SKILL.md and the folder at commit bba48f8. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are jsonc and typescript).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Why loads about 566 tokens when it runs. Until then it costs about 81 tokens; SKILL.md has 250 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~81
When it runs · the whole SKILL.md, loaded when a task matches
~566

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from ThinkfleetAI/memmesh at commit bba48f8, republished under its Apache-2.0 licence (© ThinkfleetAI). 250 words, ~566 tokens.

Download SKILL.mdSave it as .claude/skills/why/SKILL.md (or your agent's skills folder).
name
why
description
Explain a MemMesh prediction or recalled fact — surface its provenance (evidence memories), its calibrated confidence, and whether the model abstained and why. Use when the user asks "why do you think that", "what's this based on", "how sure are you", or needs an auditable, defensible answer for a regulated decision.

why

⚙️ Requires MemMesh hosted mode. Calibrated prediction and behavior discovery run on the hosted engine — set your mm- API key. On a local / open-source install these tools (memory_predict, memory_build_context) are not registered; if a call returns "unknown tool", tell the user this is a hosted capability and fall back to search / recall for what's already known.

Make MemMesh's outputs auditable. Every prediction and consolidated fact carries provenance and a calibrated confidence — this skill exposes them so a human can check the reasoning.

Provenance — what is this based on?

A prediction (from predict / memory_build_context) returns evidence memory ids. Resolve each to its content:

jsonc
{ "name": "memory_recall", "arguments": { "id": "<evidence id>" } }

List the actual memories that drove the conclusion. If a fact was consolidated, its superseded ancestors show the history — that's the audit trail.

Calibration — is the confidence trustworthy?

MemMesh confidences are calibrated: 0.8 should be right ~80% of the time. To show the reliability curve (predicted vs. observed), use the hosted SDK:

ts
const cal = await memory.lattice.getCalibration({ subjectKind: "user" });

Report the calibration error alongside the confidence, so "80%" is backed by evidence it means 80%.

Abstention — the honest "I don't know yet"

If a prediction abstained, explain the reason (insufficient/contradictory evidence, subject too new). Frame abstention as a feature: MemMesh declines rather than fabricate a confident-looking number. This is what makes it usable for EU AI Act / regulated decisions where a wrong confident answer is worse than no answer.

For regulated use

Pair this with the SDK's compliance.listAuditEvents / exportSubject to produce a full defensible record of what was known, when, and what drove a decision.

© ThinkfleetAI, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in integrations/memmesh-plugin/skills/why of ThinkfleetAI/memmesh.

Open the folder on GitHubat commit bba48f8

Compare with similar skills

Why next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Why compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Why this skillThinkfleetAI/memmesh419—~566Automated safety check: PassApache-2.0
Fact Check X Unifiedsickn33/agentic-awesome-skills47k1 repos~1.7kAutomated safety check: PassApache-2.0
Workspace Surface Auditaffaan-m/ECC274k3 repos~1.3kAutomated safety check: NotesMIT
Autopilot Predictruvnet/ruflo74k—~337Automated safety check: PassMIT
Fact Check X Completesickn33/agentic-awesome-skills47k1 repos~2.3kAutomated safety check: PassApache-2.0
Cognee Memory Recalltopoteretes/cognee32k—~2.6kAutomated safety check: PassApache-2.0

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More from ThinkfleetAI/memmesh

All 24 skills in this repo
  • Behaviors

    ThinkfleetAI/memmesh

    Surface emergent behavior patterns MemMesh has mined from a subject's history — recurring habits nobody predefined, each with prevalence, stability, and the evidence behind it.

    419 GitHub stars~519 tokensUpdated 1 mo ago
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  • Benchmark

    ThinkfleetAI/memmesh

    Run MemMesh's competitive benchmark harness (LOCOMO / BEAM) to compare retrieval quality, tokens, latency, and cost against Mem0, Zep, full-context, and naive-RAG baselines.

    419 GitHub stars~460 tokensUpdated 1 mo ago
    Auto-check passed
  • Context Loader

    ThinkfleetAI/memmesh

    Load relevant MemMesh context before starting work — searches memory and, for a specific subject, assembles a token-budgeted bundle (profile + behavior patterns + forward predictions + top memories)…

    419 GitHub stars~530 tokensUpdated 1 mo ago
    Auto-check passed
  • Graph

    ThinkfleetAI/memmesh

    Query MemMesh's bi-temporal knowledge graph — multi-hop reasoning across entities, point-in-time "what did we believe on date X", and anticipatory retrieval via spreading activation.

    419 GitHub stars~611 tokensUpdated 1 mo ago
    Auto-check passed
  • Memmesh CLI

    ThinkfleetAI/memmesh

    MemMesh CLI + local MCP server — the zero-infra, no-API-key path to the same engine as the hosted SDK.

    419 GitHub stars~855 tokensUpdated 1 mo ago
    Auto-check passed
  • Memmesh SDK

    ThinkfleetAI/memmesh

    MemMesh TypeScript SDK reference (@thinkfleet/memory-sdk) for the hosted platform at app.memmesh.ai.

    419 GitHub stars~1.6k tokensUpdated 1 mo ago
    Auto-check passed

Questions about Why

What does Why do?

Explain a MemMesh prediction or recalled fact — surface its provenance (evidence memories), its calibrated confidence, and whether the model abstained and why. Why is an agent skill from ThinkfleetAI/memmesh. Explain a MemMesh prediction or recalled fact — surface its provenance (evidence memories), its calibrated confidence, and whether the model abstained and why.

When should I use Why?

Why fits situations like: the user asks why do you think that; whats this based on; how sure are you; needs an auditable.

How do I install Why in Claude Code?

Run `npx skills add ThinkfleetAI/memmesh --skill why -a claude-code`. Or copy the skill folder (integrations/memmesh-plugin/skills/why in ThinkfleetAI/memmesh) into .claude/skills/why in your project. Claude Code loads it when a task matches its description.

How do I install Why in Codex?

Run `npx skills add ThinkfleetAI/memmesh --skill why -a codex`. Or copy the skill folder (integrations/memmesh-plugin/skills/why in ThinkfleetAI/memmesh) into .agents/skills/why in your project. Codex loads it when a task matches its description.

Can I use Why in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add ThinkfleetAI/memmesh --skill why -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/why, .gemini/skills/why, .github/skills/why and .opencode/skills/why in your project.

What does Why need to run?

SKILL.md names no scripts, command-line tools or credentials: Why is instructions for the agent only.

Does Why access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Why safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Why use?

Why is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Why use?

About 566 tokens (SKILL.md is roughly 2.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Why?

Skills that share tags, products or a category with Why: Fact Check X Unified (sickn33/agentic-awesome-skills, 47k stars), Workspace Surface Audit (affaan-m/ECC, 274k stars), Autopilot Predict (ruvnet/ruflo, 74k stars) and Fact Check X Complete (sickn33/agentic-awesome-skills, 47k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Why?

ThinkfleetAI (a GitHub organization) maintains it in ThinkfleetAI/memmesh, which has 419 GitHub stars. The repository holds 24 skills in this directory. The repository was last updated on August 25, 2026.

Source: ThinkfleetAI/memmesh on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.