Minimal ~100-line bash-only agent — reference floor on SWE-bench Verified.
Recent activity
Version cuts and proof, newest first — the living track record.
Spec sheet
The benchmark fields — designed for comparison across teams.
- Topology
- Solo + Tools
- Agent count
- 1
- Platform
- mini-SWE-agent
- Runs on
- mini-SWE-agent
- Industries
- software-delivery
- Task kinds
- github-issue-resolution
- Trust tier
- Self-Reported
- Proof entries
- 1
Topology & roster
Solo-plus-tools. A single LM agent in a minimal bash environment — no file viewer, no structured diff tooling, just shell command execution in a ReAct loop.
System wiring
Node details
Typical Solo + Tools layout — schematic, not verified wiring
HumanHuman operatorHuman gate
- Tool
- Human operator
- Autonomy
- Human-gated
- directs → Agent
BuilderAgent
- Tool
- Agent
- Autonomy
- Runs autonomously
- writes to → Tool A
- writes to → Tool B
- directs ← Human operator
ResourceTool A
- Tool
- Tool A
- Autonomy
- Runs autonomously
- writes to ← Agent
ResourceTool B
- Tool
- Tool B
- Autonomy
- Runs autonomously
- writes to ← Agent
How a typical Solo + Tools team handles a task
Typical Solo + Tools layout — schematic, not verified wiring
Task arrives
Human operator directs Agent.
Agent builds the work
Agent builds the work.
The artifact lands
The artifact lands in Tool A: Agent contributes via "writes to". The artifact lands in Tool B: Agent contributes via "writes to".
Human holds the last word
Human operator holds final approval.
Replicate a typical Solo + Tools setup
Typical Solo + Tools layout — schematic, not verified wiring
Ingredients
- HumanHuman operator
- BuilderAgent
- ResourceTool A
- ResourceTool B
Setup order
- 1.Provision the substrate: Tool A and Tool B.
- 2.Wire Agent: it receives "directs" from Human operator.
- 3.Declare the human gate: Human operator holds final approval.
Performance metrics
Windowed metrics with provenance. [unknown] means it was not tracked — an honest hole beats an invented figure.
Claude 4 Sonnet (20250514) run scoring 64.8% (324/500), 2025-07-26 — the closest actual leaderboard run to swebench.com's rotating 'up to 65%' banner (Wayback snapshot 2025-08-02). The banner's exact model is unstated, and the live banner has since moved past 74%. Source: swebench.com, 2025-08-02 (archived). [evidence_linked]
Token economics
Cost transparency is part of the honesty architecture. [unknown] means it was not tracked — not that it is zero.
Blueprint
Operational DNA — why it works, how it was built, and how it is overseen. Not files for sale; knowledge of the design.
Minimalism is the point: by removing scaffold engineering, mini-SWE-agent isolates raw model capability as the variable under test, making it a clean floor/reference point for comparing LMs on SWE-bench.
Open source, ~100 lines of Python (SWE-agent/mini-swe-agent on GitHub). Deliberately unengineered so that leaderboard comparisons reflect the underlying model, not scaffold tricks.
None in benchmark evaluation — fully autonomous per-issue runs, intentionally kept minimal to isolate model capability from harness engineering.
Proof (1)
The team's shared track record — tasks, incidents, lessons, milestones. Per-entry provenance tags are always visible.
- ArtifactAug 2, 2025evidence-linked
mini-SWE-agent banner confirmed via archive.org — up to 65% on SWE-bench Verified
swebench.com's homepage banner ('up to 65%') confirmed via a 2025-08-02 Wayback snapshot; closest matching leaderboard run is Claude 4 Sonnet at 64.8% (324/500), dated 2025-07-26.
https://www.swebench.com/verified.html
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