CDX A2A Slimmer
GA Coming Soon (Q3 2026)

Cache-Preserving Zero-Loss Slimming,
The New Standard for Multi-Agent AI

Safely maintain 100% of Frontier LLM Prompt Cache Hits (50~90% off) across OpenAI, Anthropic, DeepSeek, and vLLM, while trimming dynamic tool payloads and conversational turns with sub-0.08ms lossless pruning for maximum efficiency.

Test Live Demo Playground
30% Dynamic Payload Lossless Slimming Lossless AST Pruning on Turns & Tools
100% Hit KV-Cache Hit Retention Canonical 2-Tier Prefix Invariance
< 0.08ms Sub-0.08ms P99 Latency 5,000 Load Tests (Avg 0.056ms)
Zero Distortion Deterministic AST Lock 100% RFC 8259 Literal Protection

Zero-Rewrite Transparent In-Memory Proxy

CDX A2A Slimmer sits transparently between your multi-agent applications and upstream LLM provider endpoints. Without modifying existing application code, all agent traffic is losslessly pruned in <0.08ms.

Multi-Agent Applications
CrewAI · AutoGen · LangGraph · Swarm · MCP
Raw Payload (100%)
CDX A2A Slimmer Gateway
< 0.08ms In-Memory Proxy (:8080)
Slimmed AST (-30%)
Upstream Frontier LLMs
OpenAI · Claude · Gemini · DeepSeek

100% Native Compatibility with Latest Frontier LLMs, Agent Platforms & Inference Engines

OpenAI GPT-5 / GPT-4.5 / o3 / o1
Anthropic Claude 3.7 Sonnet / 3.5
Google Gemini 2.0 / 3.0 Flash & Pro
DeepSeek-V3 / DeepSeek-R1
Alibaba Qwen 2.5 / QwQ
Meta Llama 3.3 70B / 405B
Fable Autonomous Agent Platform
LangGraph / LangChain
CrewAI
Microsoft AutoGen v0.4
LlamaIndex Workflows
vLLM
SGLang
Ollama
TensorRT-LLM

2-Tier Prefix-Tail Split: Eliminating Cache Invalidation for 93% Net Savings

KV-Cache 100% Hit Guaranteed

Traditional token reduction methods lacking prompt cache awareness alter prefix structures across turns, triggering cache misses that invalidate provider discounts and can increase net bills by up to 2.5x. CDX A2A Slimmer resolves this through an architectural 2-Tier split, preserving 100% KV-Cache Hits (50~90% baseline discount) while delivering 30% lossless slimming on dynamic turns simultaneously.

TIER 1 Static Prefix (Head Invariance)
  • Scope: System Prompts, Tool / MCP Definition Schemas.
  • Mechanism: Deep canonical lexicographical parameter sorting, locking serialized SHA256 hashes byte-for-byte.
  • Impact: 100% Prompt Cache Hit Rate on Anthropic, OpenAI, DeepSeek, and vLLM (50~90% baseline discount preserved).
TIER 2 Dynamic Payload (Selective AST Slimming)
  • Scope: A2A Intermediate Turns, CoT reasoning, verbose tool returns.
  • Mechanism: Boilerplate greeting stripping, whitespace pruning, AST metadata cleanup (code & numbers 100% locked).
  • Impact: 30% lossless payload trimming beyond the cache boundary, maintaining maximum cost efficiency alongside full cache discounts.
💡 The 2 Mandatory Conditions for BigTech Cache Discounts
BigTech (OpenAI · Anthropic · DeepSeek) 50~90% discounts trigger only when ① Byte Invariance and ② Minimum 1,024 Token Threshold are met simultaneously.
• Cache Threshold Safeguard (Over-Slimming Prevention): Compressing static schemas without cache awareness below 1,024 tokens causes an immediate forfeiture of the provider cache discount.
• CDX Safe Guardrails: Static prefixes are preserved above 1,024 tokens (sorting keys losslessly), while 30% slimming is focused strictly on the dynamic conversation tail to eliminate cache dropouts.

1. CDX A2A Enterprise Sidecar (Production Servers & K8s Pods)

Enterprise Sidecar

An ultra-lightweight 50MB in-memory proxy designed to accelerate autonomous multi-agent communications within private enterprise VPCs, cloud Kubernetes pods, and Docker containers.
Prunes full end-to-end multi-turn dialogue traffic across LangGraph, CrewAI, and AutoGen swarms losslessly by 20%~31.55% (average ~30%) in < 0.08ms.

⚙️ Runtime & Transparent Network Integration

HTTP REST / SSE proxy (Port :8080). Simply set your agent application's base_url to the CDX sidecar to begin instant acceleration with zero code rewrites.

🔒 End-to-End Lossless Invariance (20%~31.55%)

Generated Python/SQL code, UUIDs, and financial figures are strictly 100% preserved under RFC 8259 invariance while superfluous CoT boilerplate is pruned, converging naturally to 30% savings.

📊 Enterprise Observability & Audit Logs

Streams per-agent token reduction and P99 latency metrics to Prometheus, Datadog, and Grafana via /metrics, while maintaining strictly isolated enterprise audit logs.

2. CDX MCP Stdio Streaming Proxy (Developer Desktop & Local IDEs)

1-Click MCP Proxy

An ultra-low latency stdio JSON-RPC 2.0 streaming proxy tailored for Claude Desktop, Cursor, Windsurf, and Zed IDE developers.
Prunes repeated, token-heavy tool definition schema metadata by up to 40%~50% in < 0.05ms, dramatically lowering local AI development API costs.

⚡ 1-Click CLI Drop-in Setup

Prefix existing tool commands in claude_desktop_config.json or .cursor/mcp.json with python -m cdx_a2a_slimmer mcp-proxy --. Setup is instant with zero configuration.

🔬 Up to 40%~50% Schema Pruning Principle

Strips redundant $schema, title, additionalProperties, and UI formatting tags from PostgreSQL and GitHub tools via P vs NP AST Pruning (required properties 100% intact).

🛡️ Fail-Open Reliability & 0.05ms Telemetry

Bypasses corrupted payloads without alteration to eliminate runtime crashes, while emitting real-time token reduction telemetry to sys.stderr for clean observability.

Measured Telemetry Benchmarks & Interactive Verification

Examine verified reduction telemetry across realistic production workloads, and directly input raw JSON payloads into the interactive playground to test live trimming.

① Complex Agents (Tool Calling + CoT)

CrewAI-based research and report synthesis multi-agent crew workload

Token Reduction 31.55% Savings
Raw: 2,469B ➔ Slimmed: 1,690B Latency: 0.056ms

② Code Review Crew (AutoGen)

Python source code analysis, lint inspection, and patch proposal workload

Token Reduction 25.20% Savings
Raw: 1,820B ➔ Slimmed: 1,361B Latency: 0.041ms

③ Enterprise SQL & Big Data

SQL queries and enterprise table schemas with strict literal byte lock

Token Reduction 23.49% Savings
Raw: 3,120B ➔ Slimmed: 2,387B Latency: 0.038ms
Presets:
Input: Raw Agent Payload 1,580 Bytes (1,580 / 10,000 chars)
Output: Lossless Slimmed Payload 1,081 Bytes
Live Token Cost Savings: -31.55% (Processing Latency: 0.056ms, RFC 8259 Compliant)
💡 Developer Sandbox: Test samples up to 10,000 characters here. For unlimited production workloads & official SDK access, explore our Developer Free Tier.

10-Second Drop-in Integration

No need to refactor existing model architectures or agent loops. Run the lightweight 50MB Docker sidecar container or wrap requests with the 1-line Python SDK.

STEP 01

Terminal Deployment & Package Installation (10 Seconds)

# [Step 1] Launch background sidecar proxy container (Inject API Key) docker run -d -p 8080:8080 \ -e TARGET_UPSTREAM="https://api.openai.com" \ -e CDX_LICENSE_KEY="cdx_live_your_registered_key_here" \ cdxno1/cdx-a2a-sidecar:latest # [Step 2] Verify in-memory proxy health check and optimization status curl http://localhost:8080/health # {"status": "HEALTHY_OPTIMAL", "active_tier": "EARLY_BIRD_PRO", "optimization": "20%~31.5%"}
STEP 02

1-Line Integration in Application Code

from cdx_a2a_slimmer import slim

# Raw multi-agent payload (OpenAI / Claude / DeepSeek schema)
raw_payload = {
    "model": "gpt-4o",
    "tools": [{"type": "function", "function": {"name": "query_db", "parameters": {...}}}],
    "messages": [{"role": "user", "content": "Hello! As an AI agent, please execute SQL."}]
}

# 1-line lossless slimming (latency < 0.08ms, 31.55% token reduction)
slimmed_payload = slim(raw_payload)
STEP 03

Official Global Registries & Package Downloads

✓ GA Verified Builds
Python SDK (PyPI)
pip install cdx-a2a-slimmer
Official PyPI Global CDN Registry
Docker Hub Official Image
docker pull cdxno1/cdx-a2a-sidecar:latest
50MB Lightweight Alpine/Scratch Runtime
GitHub Source & Dockerfile
git clone https://github.com/oddkyu/cdx-a2a-slimmer.git
Source code & Air-Gapped Offline Bundle

Enterprise Lossless Governance & Reliability

Unlike stochastic LLM summarizers, our deterministic AST engine prevents syntax corruption and parameter distortion, guaranteeing complete enterprise data integrity.

Source Code & Literal Data Lock

Financial digits, IDs, SQL statements, and Python/C++ identifiers are locked byte-for-byte without alteration.

✓ Data Integrity Lock

JSON Schema & Type Conformity

Strict RFC 8259 compliance ensuring `required`, `properties`, and type specifications are permanently preserved.

✓ RFC 8259 Compliant

Context Noise Reduction & Attention Optimization

Prunes AST noise and boilerplate tokens to optimize Transformer attention efficiency and improve multi-agent response quality.

✓ Context Optimization

Workload-based Estimated ROI Simulation & Pricing

Simulate your monthly net savings range (20% to up to 31.55%) based on API traffic volume, then select the optimal tier engineered for your infrastructure scale.

Monthly Agent API Calls: 3.0M (3,000,000 Calls / Mo)
100K Calls Max 5.0M Calls / Mo ※ >5.0M volume supported via Custom Enterprise Tier
Estimated Current LLM Spend
$24,000 /mo
Estimated Spend with CDX A2A
$16,428 ~ $19,200 /mo
Estimated Net Savings (20% ~ Up to 31.55%)
+$4,800 ~ +$7,572 /mo
Annual: +$57,600 ~ +$90,864 (Estimated Savings · Up to 340% ROI)
※ ROI Estimation Methodology & Disclaimer:
• Simulated figures represent an estimated range based on empirical multi-agent benchmarks (20.0% to maximum 31.55% token reduction across Tool Calling, CoT traces, and Multi-turn dialogues).
• Actual enterprise savings vary depending on prompt density, tool schema complexity, dialogue turn depth, and target model pricing tiers (GPT-5, Claude 3.7, DeepSeek-R1, etc.).
• To evaluate your specific workload telemetry, run test payloads in the Live Playground or request an Enterprise PoC.
1-MONTH OPEN BETA Developer Free Tier (100k calls/mo) is currently LIVE for all individual developers and AI researchers.
※ Team, Business, and Enterprise commercial tiers are coming soon with the official GA release. Sign up for Service Launch Notifications to be notified upon launch, and enjoy our Launch Event: pay for only 10 months on an annual subscription (2 months free).
LIVE NOW (Open Beta)

Developer

Individual developers, prototypes, and open-source research (PoC)

$0 / Free Tier (Open Beta)
  • ✓ 1 Local Machine (Dev Environment)
  • ✓ Up to 5 Concurrent Agent Sessions
  • ✓ 100k Monthly Slimming Calls
  • ✓ MCP Stdio 1-Click Proxy (Cursor / Claude)
  • ✓ 20% ~ Up to 31.5% Lossless Token Optimization & Full KV-Cache Alignment Included
  • ✓ Community Discord Support
Coming Soon

Team

Fast-growing startups and dedicated multi-agent services

$499 / mo (Annual: Pay 10 Months $4,990 · 2 Months Free)
  • ✓ Up to 5 Nodes (Pod) Cluster
  • ✓ Up to 50 Concurrent Agent Sessions
  • ✓ 1M Monthly Slimming Calls (~$2.2k Savings)
  • ✓ 10 Team Seats for MCP (Local & Remote SSE)
  • ✓ ~20%~30% Lossless Token Pruning
  • ✓ Prometheus Telemetry Endpoint
Coming Soon

Business

Mid-market, high-traffic B2B SaaS, and agent platforms

$1,499 / mo (Annual: Pay 10 Months $14,990 · 2 Months Free)
  • ✓ Up to 20 Nodes (Pod) Cluster
  • ✓ Up to 200 Concurrent Agent Sessions
  • ✓ 5M Monthly Slimming Calls
  • ✓ Central Enterprise MCP Gateway & Cache
  • ✓ K8s Autoscaling & Multi-VPC
  • ✓ Dedicated Priority Support (4h SLA)
Enterprise Pre-PoC Available

Enterprise

Fortune 500, Banks, Defense, and Air-Gapped Closed Networks

Custom ARR / Custom Quote (From $4,999/mo)
  • ✓ Custom Node Cluster (50~100+ Pods)
  • ✓ Unlimited Concurrent Agent Swarms
  • ✓ 15M+ Monthly Slimming Volume
  • ✓ Air-Gapped On-Premises MCP Hub & Audit Logs
  • ✓ PII Zero-Trust Anonymization Vault
  • ✓ Enterprise SSO (SAML/LDAP) & 24/7 Hotline

Engineering & Architecture FAQ

Clear technical answers regarding ultra-low latency benchmarks, lossless parsing fidelity, security compliance, and proxy integration.

Q1. How does this differ from traditional Small LMs or summarizers? ▾
Small neural compressors (Small LMs) add significant latency (50~200ms) and introduce critical hallucination risks by truncating JSON brackets, types, or code variables. In contrast, CDX A2A Slimmer is a deterministic sub-0.08ms AST parser that preserves financial figures, IDs, SQL statements, and Python/C++ variables with 100% byte-for-byte fidelity.
Q2. Is CDX A2A fully compatible with existing multi-agent frameworks? ▾
Yes, 100% compatible. CDX A2A Slimmer operates as a transparent in-memory proxy requiring zero code changes in your application. It strictly adheres to RFC 8259 JSON and Pydantic v2 schemas, ensuring no tool calling errors or runtime crashes while reducing input token costs safely.
Q3. Does schema slimming degrade LLM tool routing or function calling accuracy? ▾
No. Critical functional specifications, required fields, properties, enums, and data types are strictly preserved. Verified across 500+ multi-tool benchmark testbeds with 100.0% tool calling accuracy and schema compliance.
Q4. Is customer payload or conversation log data sent to external servers? (Security & Privacy) ▾
Zero data is sent or stored externally. CDX A2A Slimmer executes 100% in-memory (sub-0.08ms) inside your own local machine or private VPC (Docker container/Kubernetes pod). It is completely stateless with zero disk logging and zero telemetry leak.
Q5. How do I integrate with existing frameworks (LangGraph, CrewAI, AutoGen, LlamaIndex)? ▾
Zero code rewrites are required. Simply launch the Docker sidecar and set your SDK client endpoint to base_url="http://localhost:8080/v1", or wrap payloads in Python with slim(payload). It works drop-in with all standard OpenAI/Anthropic SDKs.
Q6. Does this impact streaming (SSE) response latency or Time to First Token (TTFT)? ▾
There is zero perceptible latency overhead. CDX A2A processes the inbound request payload in sub-0.08ms before transmitting it to the upstream LLM. Outbound streaming tokens from the LLM are passed through via zero-copy bypass, preserving your native Time to First Token (TTFT).
Q7. Does CDX break OpenAI or Anthropic Prompt Caching (KV-Cache) discounts? ▾
Prompt caching hits are 100% preserved. Conventional compression methods lacking prompt cache awareness alter prefix structures across turns, triggering cache misses and unexpected cost surges. In contrast, CDX A2A Slimmer employs an architectural 2-Tier Prefix-Tail Split to canonicalize tool schemas and system instructions with strict lexicographical determinism, maintaining byte-level invariance. Developers retain full upstream prompt caching discounts while enjoying 30% lossless slimming on dynamic conversation payloads.