Context Compression
guanyang/open-agent-hub
This skill should be used when long-running agent sessions need context compression, structured summarization, compaction, token-per-task optimization, or durable handoff summaries that preserve…
OpenCode places cachePoint on Bedrock messages containing DocumentBlocks, which produces a "nothing available to cache" error.
Install Opencode Bedrock Doc Blocks
$ npx skills add OnlyTerp/prompt-cache-skills --skill opencode-bedrock-doc-blocks -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install OnlyTerp/prompt-cache-skills opencode-bedrock-doc-blocks --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/OnlyTerp/prompt-cache-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/opencode-bedrock-doc-blocks .claude/skills/opencode-bedrock-doc-blocks && rm -rf skills-srcUse ~/.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/
Install the "opencode-bedrock-doc-blocks" agent skill from https://github.com/OnlyTerp/prompt-cache-skills/tree/main/skills/opencode-bedrock-doc-blocks into .claude/skills/opencode-bedrock-doc-blocks/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "opencode-bedrock-doc-blocks", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/OnlyTerp/prompt-cache-skills/tree/main/skills/opencode-bedrock-doc-blocksType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add OnlyTerp/prompt-cache-skills --skill opencode-bedrock-doc-blocks -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install OnlyTerp/prompt-cache-skills opencode-bedrock-doc-blocks --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/OnlyTerp/prompt-cache-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/opencode-bedrock-doc-blocks .agents/skills/opencode-bedrock-doc-blocks && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "opencode-bedrock-doc-blocks" agent skill from https://github.com/OnlyTerp/prompt-cache-skills/tree/main/skills/opencode-bedrock-doc-blocks into .agents/skills/opencode-bedrock-doc-blocks/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "opencode-bedrock-doc-blocks", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add OnlyTerp/prompt-cache-skills --skill opencode-bedrock-doc-blocks -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install OnlyTerp/prompt-cache-skills opencode-bedrock-doc-blocks --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/OnlyTerp/prompt-cache-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/opencode-bedrock-doc-blocks .cursor/skills/opencode-bedrock-doc-blocks && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "opencode-bedrock-doc-blocks" agent skill from https://github.com/OnlyTerp/prompt-cache-skills/tree/main/skills/opencode-bedrock-doc-blocks into .cursor/skills/opencode-bedrock-doc-blocks/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "opencode-bedrock-doc-blocks", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/OnlyTerp/prompt-cache-skills.git --path skills/opencode-bedrock-doc-blocks--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add OnlyTerp/prompt-cache-skills --skill opencode-bedrock-doc-blocks -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install OnlyTerp/prompt-cache-skills opencode-bedrock-doc-blocks --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/OnlyTerp/prompt-cache-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/opencode-bedrock-doc-blocks .gemini/skills/opencode-bedrock-doc-blocks && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "opencode-bedrock-doc-blocks" agent skill from https://github.com/OnlyTerp/prompt-cache-skills/tree/main/skills/opencode-bedrock-doc-blocks into .gemini/skills/opencode-bedrock-doc-blocks/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "opencode-bedrock-doc-blocks", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install OnlyTerp/prompt-cache-skills opencode-bedrock-doc-blocksInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add OnlyTerp/prompt-cache-skills --skill opencode-bedrock-doc-blocks -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/OnlyTerp/prompt-cache-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/opencode-bedrock-doc-blocks .github/skills/opencode-bedrock-doc-blocks && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "opencode-bedrock-doc-blocks" agent skill from https://github.com/OnlyTerp/prompt-cache-skills/tree/main/skills/opencode-bedrock-doc-blocks into .github/skills/opencode-bedrock-doc-blocks/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "opencode-bedrock-doc-blocks", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add OnlyTerp/prompt-cache-skills --skill opencode-bedrock-doc-blocks -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install OnlyTerp/prompt-cache-skills opencode-bedrock-doc-blocks --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/OnlyTerp/prompt-cache-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/opencode-bedrock-doc-blocks .opencode/skills/opencode-bedrock-doc-blocks && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "opencode-bedrock-doc-blocks" agent skill from https://github.com/OnlyTerp/prompt-cache-skills/tree/main/skills/opencode-bedrock-doc-blocks into .opencode/skills/opencode-bedrock-doc-blocks/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "opencode-bedrock-doc-blocks", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
opencode-bedrock-doc-blocks- GitHub stars
- 114
- Token cost
- ~966 tokens
- SKILL.md length
- 214 words
- Files
- 1
- Skills in repo
- 13
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
OpenCode places cachePoint on Bedrock messages containing DocumentBlocks, which produces a "nothing available to cache" error.
- Works in 5 steps: Configure OpenCode with a Bedrock Claude… → Attach a PDF or text document to a chat… → Send a follow-up prompt referencing the… → …
- Tasks that involve LLM cost and token optimization
- SKILL.md covers Target, Symptom, Fix and Verify, plus 1 more section
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Opencode Bedrock Doc Blocks is an agent skill from OnlyTerp/prompt-cache-skills. OpenCode places cachePoint on Bedrock messages containing DocumentBlocks, which produces a "nothing available to cache" error.
Its SKILL.md is about 970 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 AI & LLM Engineering, covering LLM cost and token optimization. The repository describes itself as: Drop-in prompt-caching fixes for the LLM agent harness you use. Point your AI coding agent at this repo and it ships the patches.
When your agent uses it
- Tasks that involve LLM cost and token optimization
Example prompts
- “nothing available to cache”
- “/opencode-bedrock-doc-blocks”
Workflow steps
5 steps, taken from the first numbered list in SKILL.md.
- Configure OpenCode with a Bedrock Claude model.
- Attach a PDF or text document to a chat message.
- Send a follow-up prompt referencing the document.
- Before fix: Bedrock returns 400 ValidationException.
- After fix: request succeeds; cachePoint lands on the most
What it can do on your machine
Read from SKILL.md and the folder at commit 5b58ae2. 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 diff).
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
Opencode Bedrock Doc Blocks loads about 966 tokens when it runs. Until then it costs about 39 tokens; SKILL.md has 214 words of instructions outside code blocks.
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 214 words (~966 tokens).
- name
- opencode-bedrock-doc-blocks
- target_harness
- OpenCode
- target_repo
- sst/opencode
- target_files
- packages/opencode/src/provider/transform.ts
- target_commit
- dev branch @ a9ef5a0f
- estimated_savings
- Restores Bedrock caching for sessions that include document attachments
Files
Just SKILL.md in skills/opencode-bedrock-doc-blocks of OnlyTerp/prompt-cache-skills.
Open the folder on GitHubat commit 5b58ae2
Compare with similar skills
Opencode Bedrock Doc Blocks 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Opencode Bedrock Doc Blocks this skillOnlyTerp/prompt-cache-skills | 114 | — | ~966 | Automated safety check: Pass | Custom licence | |
| Context Compressionguanyang/open-agent-hub | 973 | 2 repos | ~4.6k | Automated safety check: Pass | MIT | |
| Bounty Hunter1sadjlk/bounty-hunter-skill | 282 | 1 repos | ~761 | Automated safety check: Pass | MIT | |
| Skill Shortenerluongnv89/asm | 953 | — | ~3.8k | Automated safety check: Notes | MIT | |
| Fleet Auditoralexgreensh/token-optimizer | 2.5k | — | ~1.7k | Automated safety check: Pass | Custom licence | |
| Context Auditundefined-ui/second-brain-os | 999 | — | ~810 | Automated safety check: Pass | MIT |
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Refactor a too-long SKILL.md by progressive disclosure: measure token cost, classify every section KEEP/CUT/MOVE, shorten the body into references/ and scripts/, verify nothing was lost.
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Cross-system agent token/cost audit (Claude Code, Codex, OpenClaw, Hermes, OpenCode): idle burns, model misrouting, config bloat, with dollar savings.
Context Audit
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Audit an agent's context layout against the four places: system prompt, tools, history, tail.
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Related
Categories
Questions about Opencode Bedrock Doc Blocks
What does Opencode Bedrock Doc Blocks do?
OpenCode places cachePoint on Bedrock messages containing DocumentBlocks, which produces a "nothing available to cache" error. Opencode Bedrock Doc Blocks is an agent skill from OnlyTerp/prompt-cache-skills. OpenCode places cachePoint on Bedrock messages containing DocumentBlocks, which produces a "nothing available to cache" error.
When should I use Opencode Bedrock Doc Blocks?
Opencode Bedrock Doc Blocks fits situations like: tasks that involve LLM cost and token optimization.
How do I install Opencode Bedrock Doc Blocks in Claude Code?
Run `npx skills add OnlyTerp/prompt-cache-skills --skill opencode-bedrock-doc-blocks -a claude-code`. Or copy the skill folder (skills/opencode-bedrock-doc-blocks in OnlyTerp/prompt-cache-skills) into .claude/skills/opencode-bedrock-doc-blocks in your project. Claude Code loads it when a task matches its description.
How do I install Opencode Bedrock Doc Blocks in Codex?
Run `npx skills add OnlyTerp/prompt-cache-skills --skill opencode-bedrock-doc-blocks -a codex`. Or copy the skill folder (skills/opencode-bedrock-doc-blocks in OnlyTerp/prompt-cache-skills) into .agents/skills/opencode-bedrock-doc-blocks in your project. Codex loads it when a task matches its description.
Can I use Opencode Bedrock Doc Blocks 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 OnlyTerp/prompt-cache-skills --skill opencode-bedrock-doc-blocks -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/opencode-bedrock-doc-blocks, .gemini/skills/opencode-bedrock-doc-blocks, .github/skills/opencode-bedrock-doc-blocks and .opencode/skills/opencode-bedrock-doc-blocks in your project.
What does Opencode Bedrock Doc Blocks need to run?
SKILL.md names no scripts, command-line tools or credentials: Opencode Bedrock Doc Blocks is instructions for the agent only.
Does Opencode Bedrock Doc Blocks 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 Opencode Bedrock Doc Blocks 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 Opencode Bedrock Doc Blocks use?
Opencode Bedrock Doc Blocks 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 Opencode Bedrock Doc Blocks use?
About 966 tokens (SKILL.md is roughly 3.9k 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 Opencode Bedrock Doc Blocks?
Skills that share tags, products or a category with Opencode Bedrock Doc Blocks: Context Compression (guanyang/open-agent-hub, 973 stars), Bounty Hunter (1sadjlk/bounty-hunter-skill, 282 stars), Skill Shortener (luongnv89/asm, 953 stars) and Fleet Auditor (alexgreensh/token-optimizer, 2.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Opencode Bedrock Doc Blocks?
OnlyTerp (a GitHub user) maintains it in OnlyTerp/prompt-cache-skills, which has 114 GitHub stars. The repository holds 13 skills in this directory. The repository was last updated on August 29, 2026.
Source: OnlyTerp/prompt-cache-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.