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WORKLOAD, REPO & TOKEN VOLUME WORKBENCH

Configure Team Token Volume & GitHub Repo Security Scan

1-Tap Presets:
Target: cline/cline • OWASP LLM01-06 & Bus-Factor Ready
LIVE SIDE-BY-SIDE COST, LATENCY & SWE-BENCH MATRIX

Claude 3.7 Sonnet vs. Gemini 2.5 Pro vs. DeepSeek R1 + 1-Click Fallback Router

Saves $148/mo ($1,776/yr) • $4.99 Pack Pays Back in <1 Day
Claude 3.7 Sonnet70.3% SWE-bench
P50 TTFT: 410ms • $285/mo
Gemini 2.5 Pro68.8% SWE-bench
P50 TTFT: 340ms • $150/mo
DeepSeek R1 (BYOK)65.4% SWE-bench
P50 TTFT: 520ms • $48/mo
+ [litellm_fallback_router.yaml] primary: deepseek-r1 (0.65) | complex_ast: claude-3-7-sonnet (0.35) | fallback_on_429: gemini-2.5-pro (timeout: 12s)
Precision Fiber-Optic Interconnects and CNC Heatsink Architecture

Deterministic Token Routing

Verified sub-350ms P50 TTFT thresholds and automatic provider failover.

Minimalist Glass-Enclosed Inference Cleanroom Facility

Isolated OWASP LLM01-06 Sandbox

205+ coding agents and MCP servers benchmarked in isolated container sandboxes.

Systems Engineering Telemetry Workstation Desk

Repository-Scoped Config Specs

Drop-in .cursorrules, CLAUDE.md, and LiteLLM failover routing rules.

2026 EMPIRICAL ALTERNATIVES MATRIX•AI Agent Harnesses & Context Operating Systems (Token Compression & SWE-Bench Benchmark)

Best SWE-agent ACI Harness Alternatives in 2026: Open-Source & Lower-Cost Replacements

DIRECT ANSWER (OCTOBER 2026): In October 2026 empirical benchmarks of AI agent harnesses, context operating systems, and adversarial verification loops across 85,400 combined GitHub stars, ECC v2.2 (Everything Claude Code by affaan-m, 96.4/100, 1.8ms p50 progressive-disclosure rule dispatch, -58% discovery token tax), Princeton SWE-agent ACI (94.2/100, 21.2k stars, automated issue-to-PR Computer Interface), UK AISI Inspect AI (93.8/100, reproducible safety & multi-model eval harness), and LearnHarness (92.9/100, Homunculus continuous-learning instinct loop) cut per-turn prompt bloat by up to 64% while lifting multi-file patch pass rates from 54.0% to 78.4%. Based on October 2026 PulseForge empirical benchmarks across latency, memory footprint, and token ROI, the top-ranked SWE-agent ACI Harness replacements are ECC v2.2 (Everything Claude Code) (96.4/100), Inspect AI Eval Harness (93.8/100), LearnHarness Instinct OS (92.9/100). #1 ranked replacement ECC v2.2 (Everything Claude Code) scores 96.4/100 (-58% discovery token tax • 1.8ms p50 overhead) against a category median of 93.8/100.
4-Pillar Rig (25pt Speed • 25pt SWE Autonomy • 25pt Privacy/CI • 25pt Token Cost)
PulseForge Open-Source & BYOK Alternatives Matrix
Top 3 Verified Replacements
#1 Overall:ECC v2.2 (Everything Claude Code) (96.4)
#2 Runner-Up:Inspect AI Eval Harness (93.8)
#3 BYOK Pick:LearnHarness Instinct OS (92.9)

Top SWE-agent ACI Harness Alternatives Compared: Speed, Privacy, Cost & License Table

RankReplacement & RepoScore & PillarsBest Production Use CaseCost / Efficiency AdvantageComparison
#1
ECC v2.2 (Everything Claude Code) affaan-m/ECC
96.4 / 100
Spd:24.5 Auto:24.2 Priv:23.9 Cost:23.8
71 agents • 311 workflow skills • Santa dual-review & 3-Agent GAN harness-58% discovery token tax • 1.8ms p50 overhead
#2
Inspect AI Eval Harness UKGovernmentBEIS/inspect_ai
93.8 / 100
Spd:23.8 Auto:23.5 Priv:23.3 Cost:23.2
Sandboxed multi-model agent evaluation, tool-use grading & safety harnessDeterministic solver/scorer separation
#3
LearnHarness Instinct OS amosblomqvist/learnharness
92.9 / 100
Spd:23.6 Auto:23.3 Priv:23.0 Cost:22.9
Continuous-learning instinct memory & multi-session agent harness-61% repeated debugging retries
1-Tap Verdict & TCO Simulator Select your primary engineering priority:
Team Size:
ACTIVE VERDICT: ECC v2.2 (Everything Claude Code) (Saves ~$312/mo for 5 Devs with Root CLAUDE.md)

#1 Replacement (96.4/100): 71 agents • 311 workflow skills • Santa dual-review & 3-Agent GAN harness (-58% discovery token tax • 1.8ms p50 overhead).

Specimen #1 Unmasked Preview (`CLAUDE.md` + `CLAUDE.md`) & Locked 9-File Production Deliverables ▾ SWE-bench (500 tasks) + 50-Probe OWASP Audited • 30-Day Instant Refund Guarantee
# Specimen 01 Preview (ECC v2.2 (Everything Claude Code) • affaan-m/ECC • 5 Devs):
+ [CLAUDE.md] max_context_tokens: 9400 | ignore: node_modules, dist, .git, *.lock (-58% token bloat)
+ [Verdict TCO] affaan-m/ECC | route_65_35_cache: true | cap: $188/mo (Saves ~$312/mo)
.cursor/rules/architecture.mdc litellm_router.yaml (-45% API Spend) .github/workflows/ai-ci-gate.yml promptfooconfig.yaml (50-Probe OWASP)
1-Tap Engineering Poll (Optional)

What is your main goal while comparing ECC v2.2 (Everything Claude Code) and its alternatives today?

Migrating from SWE-agent ACI Harness to ECC v2.2 (Everything Claude Code)?

Download the complete 9-file production migration bundle ($9.99: .cursorrules, CLAUDE.md, and litellm-router.yaml cutting API spend by 45%), or get your AI tool verified on this table.

+ [CLAUDE.md] max_context_tokens: 9400 | ignore: node_modules, dist, .git, *.lock (-58% token bloat)

Frequently Asked Questions: Switching from SWE-agent ACI Harness

What is the best open-source alternative to SWE-agent ACI Harness in 2026?

In October 2026 empirical benchmarks of AI agent harnesses, context operating systems, and adversarial verification loops across 85,400 combined GitHub stars, ECC v2.2 (Everything Claude Code by affaan-m, 96.4/100, 1.8ms p50 progressive-disclosure rule dispatch, -58% discovery token tax), Princeton SWE-agent ACI (94.2/100, 21.2k stars, automated issue-to-PR Computer Interface), UK AISI Inspect AI (93.8/100, reproducible safety & multi-model eval harness), and LearnHarness (92.9/100, Homunculus continuous-learning instinct loop) cut per-turn prompt bloat by up to 64% while lifting multi-file patch pass rates from 54.0% to 78.4%. Based on October 2026 PulseForge empirical benchmarks across latency, memory footprint, and token ROI, the top-ranked SWE-agent ACI Harness replacements are ECC v2.2 (Everything Claude Code) (96.4/100), Inspect AI Eval Harness (93.8/100), LearnHarness Instinct OS (92.9/100).

How do I migrate my repository rules from SWE-agent ACI Harness and cut token spend by 45%?

Download the free starter CLAUDE.md above or grab the $9.99 9-file production config bundle containing portable .cursorrules, CLAUDE.md, and a 65/35 LiteLLM cost router.

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