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Agent skill

Golem Custom Snapshot TS

by golemcloud in golemcloud/golem

Enabling snapshot-based recovery and implementing custom snapshot save/load functions for TypeScript agents.

Custom licenceAuto-check passedAgent Workflows

Install Golem Custom Snapshot TS

skills CLI
$ npx skills add golemcloud/golem --skill golem-custom-snapshot-ts -a claude-code

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

GitHub CLI
$ gh skill install golemcloud/golem golem-custom-snapshot-ts --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/golemcloud/golem.git skills-src && mkdir -p .claude/skills && cp -r skills-src/golem-skills/skills/ts/golem-custom-snapshot-ts .claude/skills/golem-custom-snapshot-ts && 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
golem-custom-snapshot-ts
GitHub stars
1.5k
Token cost
~3.2k tokens
SKILL.md length
1,396 words
Files
1
Skills in repo
289
Repo updated
First seen
Licence
Custom licence

At a glance

Enabling snapshot-based recovery and implementing custom snapshot save/load functions for TypeScript agents.

  • Works in 2 steps: Manual / snapshot-based component… → Fast recovery and oplog compaction — for…
  • Adding manual update support
  • SKILL.md covers When to Use Snapshotting, Enabling Snapshotting, Typed State Snapshotting… and Custom Snapshotting, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Golem Custom Snapshot TS is an agent skill from golemcloud/golem. Enabling snapshot-based recovery and implementing custom snapshot save/load functions for TypeScript agents. Use when adding manual update support, custom state serialization, or — equally importantly — when a long-running agent's oplog is growing large and recovery/replay is becoming slow (heartbeats, polling loops, recurring tasks, frequent state changes). Snapshotting compacts the oplog and lets recovery start from the latest snapshot instead of replaying full history.

Its SKILL.md is about 3.2k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Agent Workflows, covering Autonomous loops and Scheduled and recurring tasks. It works with TypeScript. The repository describes itself as: Golem Cloud is the agent-native platform for building AI agents and distributed applications that never lose state, never duplicate work, and never require you to build…

When your agent uses it

  • Adding manual update support
  • Custom state serialization
  • — equally importantly — when a long-running agents oplog is growing large and recovery/replay is becoming slow (heartbeats
  • Recurring tasks

Example prompts

  • “/golem-custom-snapshot-ts”

Workflow steps

2 steps, taken from the first numbered list in SKILL.md.

  1. Manual / snapshot-based component updates — required when updating agents between incompatible component versions.
  2. Fast recovery and oplog compaction — for long-running agents whose oplog grows over time (heartbeats, polling loops, recurring tasks…

What it can do on your machine

Read from SKILL.md and the folder at commit efc90f0. 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 typescript and bash).

    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

Golem Custom Snapshot TS loads about 3.2k tokens when it runs. Until then it costs about 125 tokens; SKILL.md has 1,396 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~125
When it runs · the whole SKILL.md, loaded when a task matches
~3.2k

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

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 1,396 words (~3,241 tokens).

“Golem agents can opt into snapshotting to support manual (snapshot-based) updates and snapshot-based recovery. In the TypeScript SDK this is configured declaratively with the snapshotting option on defineAgent(...), and — when you need full control over the bytes — with…”

— opening of SKILL.md by golemcloud, Custom licence
name
golem-custom-snapshot-ts

Read the full SKILL.md on GitHub

Files

Just SKILL.md in golem-skills/skills/ts/golem-custom-snapshot-ts of golemcloud/golem.

Open the folder on GitHubat commit efc90f0

Compare with similar skills

Golem Custom Snapshot TS 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.

Golem Custom Snapshot TS compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Golem Custom Snapshot TS this skillgolemcloud/golem1.5k—~3.2kAutomated safety check: PassCustom licence
Harness 24hthu-nmrc/OpenHarness117—~3.6kAutomated safety check: PassApache-2.0
Autonomous Agent Harnessaffaan-m/ECC276k2 repos~2.9kAutomated safety check: PassMIT
Recurring Prompt LoopQwenLM/qwen-code28k—~2.5kAutomated safety check: PassApache-2.0
Autonomous Agent Harnessaffaan-m/ECC276k—~859Automated safety check: PassMIT
Harness Long-Running Task LoopChachamaru127/claude-code-harness3.2k—~2.3kAutomated safety check: NotesMIT

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Works with

Categories

Questions about Golem Custom Snapshot TS

What does Golem Custom Snapshot TS do?

Enabling snapshot-based recovery and implementing custom snapshot save/load functions for TypeScript agents. Golem Custom Snapshot TS is an agent skill from golemcloud/golem. Enabling snapshot-based recovery and implementing custom snapshot save/load functions for TypeScript agents.

When should I use Golem Custom Snapshot TS?

Golem Custom Snapshot TS fits situations like: adding manual update support; custom state serialization; — equally importantly — when a long-running agents oplog is growing large and recovery/replay is becoming slow (heartbeats; recurring tasks.

How do I install Golem Custom Snapshot TS in Claude Code?

Run `npx skills add golemcloud/golem --skill golem-custom-snapshot-ts -a claude-code`. Or copy the skill folder (golem-skills/skills/ts/golem-custom-snapshot-ts in golemcloud/golem) into .claude/skills/golem-custom-snapshot-ts in your project. Claude Code loads it when a task matches its description.

How do I install Golem Custom Snapshot TS in Codex?

Run `npx skills add golemcloud/golem --skill golem-custom-snapshot-ts -a codex`. Or copy the skill folder (golem-skills/skills/ts/golem-custom-snapshot-ts in golemcloud/golem) into .agents/skills/golem-custom-snapshot-ts in your project. Codex loads it when a task matches its description.

Can I use Golem Custom Snapshot TS 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 golemcloud/golem --skill golem-custom-snapshot-ts -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/golem-custom-snapshot-ts, .gemini/skills/golem-custom-snapshot-ts, .github/skills/golem-custom-snapshot-ts and .opencode/skills/golem-custom-snapshot-ts in your project.

What does Golem Custom Snapshot TS need to run?

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

Does Golem Custom Snapshot TS 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 Golem Custom Snapshot TS 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 Golem Custom Snapshot TS use?

Golem Custom Snapshot TS has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Golem Custom Snapshot TS use?

About 3.2k tokens (SKILL.md is roughly 13k 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 Golem Custom Snapshot TS?

Skills that share tags, products or a category with Golem Custom Snapshot TS: Harness 24h (thu-nmrc/OpenHarness, 117 stars), Autonomous Agent Harness (affaan-m/ECC, 276k stars), Recurring Prompt Loop (QwenLM/qwen-code, 28k stars) and Autonomous Agent Harness (affaan-m/ECC, 276k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Golem Custom Snapshot TS?

golemcloud (a GitHub organization) maintains it in golemcloud/golem, which has 1,507 GitHub stars. The repository holds 289 skills in this directory. The repository was last updated on October 9, 2026.

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