gabrielmoreira/agent-skills-mirror/omni-compression

Name: omni-compression
Author: gabrielmoreira

Trust tier 3

community

By gabrielmoreira
Coding
gabrielmoreira/agent-skills-mirror
mirrors/repos/diegosouzapw@OmniRoute/skills/omni-compression/SKILL.md
Updated 18 Oct 2026
Version 1.0.01 version recorded

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Configure RTK (command output), Caveman (prose), and stacked compression modes. Manage language packs, custom rules, and test prompt compression reducing tokens by 60–90%.

Install

npx vskill@latest install gabrielmoreira/agent-skills-mirror/omni-compression

SKILL.md

Overview

Configure RTK (command output), Caveman (prose), and stacked compression modes. Manage language packs, custom rules, and test prompt compression reducing tokens by 60–90%.

Authentication

All requests require a valid Bearer token or session cookie. Obtain a token via POST /api/auth/login or configure REQUIRE_API_KEY=false for local development.

Endpoints

POST /api/compression/preview

Preview compression for a message payload

bash

curl -X POST http://localhost:20128/api/compression/preview \
  -H "Authorization: Bearer $OMNIROUTE_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{}'

GET /api/compression/language-packs

List Caveman compression language packs

bash

curl http://localhost:20128/api/compression/language-packs \
  -H "Authorization: Bearer $OMNIROUTE_TOKEN"

GET /api/compression/rules

List Caveman compression rule metadata

bash

curl http://localhost:20128/api/compression/rules \
  -H "Authorization: Bearer $OMNIROUTE_TOKEN"

POST /api/compression/compare

POST compression › compare

bash

curl -X POST http://localhost:20128/api/compression/compare \
  -H "Authorization: Bearer $OMNIROUTE_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{}'

POST /api/compression/compare/verify

POST compression › compare › verify

bash

curl -X POST http://localhost:20128/api/compression/compare/verify \
  -H "Authorization: Bearer $OMNIROUTE_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{}'

GET /api/compression/engines

GET compression › engines

bash

curl http://localhost:20128/api/compression/engines \
  -H "Authorization: Bearer $OMNIROUTE_TOKEN"

POST /api/compression/retrieve

POST compression › retrieve

bash

curl -X POST http://localhost:20128/api/compression/retrieve \
  -H "Authorization: Bearer $OMNIROUTE_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{}'

Payloads

See the full OpenAPI specification at GET /api/openapi/spec or docs/openapi.yaml for detailed request/response schemas.

OmniRoute — Compression

Requires OMNIROUTE_URL and OMNIROUTE_KEY. See entry-point SKILL for setup.

Overview

OmniRoute compresses token payloads before forwarding to providers. No code changes required — set it once, it applies to all requests transparently.

Engine	Best for	Typical savings
RTK	Terminal / build / test / git output	60–90%
Caveman	Human prose, chat history	46% input
Stacked (`rtk → caveman`)	Mixed coding sessions	78–95%
MCP accessibility filter	Browser/accessibility tool results	60–80%

Get current settings

bash

curl $OMNIROUTE_URL/api/settings/compression \
  -H "Authorization: Bearer $OMNIROUTE_KEY"

Enable RTK (best for coding agents)

bash

curl -X PUT $OMNIROUTE_URL/api/settings/compression \
  -H "Authorization: Bearer $OMNIROUTE_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "mode": "rtk", "enabled": true }'

Enable stacked mode (maximum savings)

bash

curl -X PUT $OMNIROUTE_URL/api/settings/compression \
  -H "Authorization: Bearer $OMNIROUTE_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "mode": "stacked",
    "enabled": true,
    "stackedPipeline": ["rtk", "caveman"]
  }'

Enable Caveman (prose / chat)

bash

curl -X PUT $OMNIROUTE_URL/api/settings/compression \
  -H "Authorization: Bearer $OMNIROUTE_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "mode": "standard", "enabled": true }'

Caveman intensities: lite (safe), standard (balanced), aggressive (long sessions), ultra (context recovery).

Preview compression before enabling

bash

curl -X POST $OMNIROUTE_URL/api/compression/preview \
  -H "Authorization: Bearer $OMNIROUTE_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "mode": "rtk",
    "text": "$ npm test\n> jest\n\nPASS src/a.test.ts (2.1s)\nPASS src/b.test.ts (1.8s)\n..."
  }'

Response includes compressed, original_length, compressed_length, savings_pct.

MCP accessibility-tree filter (browser agent use)

When OmniRoute is used with browser/Playwright MCP tools, it automatically compresses verbose accessibility-tree tool results. Enabled by default; configure thresholds:

bash

curl -X PUT $OMNIROUTE_URL/api/settings/compression \
  -H "Authorization: Bearer $OMNIROUTE_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "mcpAccessibility": {
      "enabled": true,
      "collapseThreshold": 30,
      "maxTextChars": 50000
    }
  }'

collapseThreshold: collapse sibling lines when ≥ N repeats (default 30). maxTextChars: hard truncate after N chars with navigation hint (default 50000).

Language packs (Caveman)

Caveman supports language-aware rules for pt-BR, es, de, fr, ja:

bash

curl -X PUT $OMNIROUTE_URL/api/settings/compression \
  -H "Authorization: Bearer $OMNIROUTE_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "mode": "standard",
    "cavemanConfig": {
      "language": "pt-BR",
      "autoDetectLanguage": true
    }
  }'

Via MCP

omniroute_compression_status     → current settings + savings analytics
omniroute_compression_configure  → update mode/threshold/language
omniroute_set_compression_engine → switch engine at runtime

Disable compression

bash

curl -X PUT $OMNIROUTE_URL/api/settings/compression \
  -H "Authorization: Bearer $OMNIROUTE_KEY" \
  -d '{ "enabled": false }'

Errors

400 invalid mode → use off, lite, standard, aggressive, ultra, rtk, or stacked
400 invalid stackedPipeline → array must contain valid engine ids (rtk, caveman)

Security

Security scanPassed, 90 of 100Pattern checks on the skill's files.
Model reviewPassed

See the full security report

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Source

SKILL.md in the repositoryCheckingmirrors/repos/diegosouzapw@OmniRoute/skills/omni-compression/SKILL.md

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