deepseekplugins

DeepSeek Harness plugin

dsh-plugin-structured-output

dsh plugin: opencode-style json_schema structured output via a generic StructuredOutput tool, /json-schema command, and native JSON Schema validation.

Tools & Capabilities
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Source facts

Repository
royenheart/dsh-plugin-structured-output
Latest update
Aug 20, 2026
Category
Tools & Capabilities
GitHub stars
0
Format
plugin
Catalog evidence
Upstream dsh.bundle evidence
Evidence path
package.json#dsh.bundle
Checked against
0.1.0-rc.8
Upstream check date
2026-08-20

This evidence comes from the upstream catalog. This site has not installed, run, or security-reviewed the plugin.

Install

Start with a prompt that asks an agent to review the GitHub repository and source. Switch to the command if you want to install it yourself.

Copy this prompt into DSH, Codex, or another agent and ask it to review the GitHub repository and source first.

Do not install or run any commands yet. Read this plugin's GitHub repository, README, and relevant source code. Then answer the questions below clearly and directly so I can decide whether it fits my needs:

1. What is this plugin, and what problem does it solve?
2. Who is it for, and what are its typical use cases?
3. How is it used after installation? Include one minimal example.
4. What known limitations or privacy, security, compatibility, or maintenance risks does it have?
5. Give a clear recommendation: recommend, conditionally recommend, or do not recommend, with reasons.

Distinguish statements documented by the repository, inferences from source code, and unknowns. If evidence is insufficient, say so explicitly. Do not guess or simply repeat the README.

GitHub: https://github.com/royenheart/dsh-plugin-structured-output
Plugin: dsh-plugin-structured-output
Author: royenheart

Check the source files

Read the README and other files from this plugin directory before installing.

File explorer2 files
README.mdSource · read only

@royenheart/dsh-plugin-structured-output

opencode-style json_schema structured output for dsh agents, built entirely on native dsh seams (no dsh source changes):

  • visibility is per agent preset (mode) and is opt-in: Settings →

结构化输出工具 / Structured output chooses which modes expose it;

  • in enabled modes, /json-schema <json> stores an object-rooted JSON Schema

for the receiving session and the StructuredOutput tool is registered;

  • the next prompt receives opencode's instruction to return the final answer

through StructuredOutput instead of plain text;

  • the tool validates the output with the native dsh JSON Schema subset

(@deepseek-ai/dsh-tools) and rejects malformed values.

Install

lib/ is generated locally and is not committed. install.py always builds the repository's own toolchain first (npm install when the toolchain is missing, then npm run build) and only reports an error when npm itself is missing.

Install/uninstall idempotently with the bundled script (stdlib-only Python). The package ships its own cordis.patch.yml (id structured-output) and declares dsh.bundle.patch, so the script only links the package into the profile node_modules, adds the link: dependency, and appends the package to dsh.profile.bundles. The profile's own cordis.patch.yml is never modified:

python3 install.py install --profile web          # install
python3 install.py uninstall --profile web        # remove
python3 install.py install --profile web --home "$DSH_HOME"   # explicit home

Manual alternative:

dsh plugin --profile web add link:/path/to/dsh-plugin-structured-output

dsh plugin reconciles dsh.profile.bundles from the installed package's dsh.bundle declaration, so no profile patch edit is needed either.

Per-mode visibility

No mode is enabled by default. After installing, open Settings → 结构化输出工具 (Structured output) and toggle the agent presets that should see StructuredOutput and /json-schema. Disabled modes see neither surface; the choice applies to sessions created after the change.

Usage

/json-schema {"type":"object","properties":{"answer":{"type":"string"}},"required":["answer"],"additionalProperties":false}
What is the answer to life, the universe, and everything?

The model must then call StructuredOutput with a valid object.

Supported schemas follow dsh's enforced JSON Schema subset: any JSON root, object properties/required/boolean additionalProperties, array items, scalar enum/const, and exact-one oneOf. Unsupported keywords are rejected at /json-schema time.

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