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swarm-mcp

Orchestrate parallel Claude agent workloads via Docker containers.

PyPI Python 3.12+ License: MIT Docker Required Documentation

swarm-mcp is an MCP server that lets your Claude session spawn other Claude agents — each in an isolated Docker container — and compose their results using functional combinators. Instead of one agent doing everything, you describe the work as run, par, map, chain, reduce, and pipeline calls, and swarm-mcp handles container lifecycle, resource scheduling, and result plumbing. The agent outputs are lazy refs (metadata on the wire, text on disk) so you never blow up the MCP protocol with megabytes of agent output.


Why swarm-mcp?

  • True Docker isolation per agent. Every agent gets its own container with its own filesystem, network policy, memory limit, and CPU quota. No shared state leaks between agents. A rogue rm -rf / in one container doesn't touch anything else.

  • Lazy refs (metadata on the wire, text on disk). Combinators return refs — small JSON objects with metadata (cost, duration, exit code, provenance hash). The actual text stays on disk in /tmp/swarm-mcp/{run_id}/{agent_id}/result.json. Call unwrap when you actually need the content. This keeps the MCP protocol fast and prevents context window bloat.

  • Data-driven pipelines. The pipeline tool interprets a JSON definition — steps with on_fail handlers, condition guards, retry_if loops, and next jumps. The pipeline definition is data: store it in git, version it, resume it from any step, generate it programmatically. The interpreter handles container lifecycle, budget tracking, and inter-step state via a shared /shared/ directory.

  • GPU and resource semaphores. Named resource pools (gpu, database, api, anything) are semaphores with configurable capacity. Agents queue for resources before execution. A single GPU doesn't get double-booked; a rate-limited API doesn't get hammered.

  • Natural language type contracts with validation. Types are markdown files that describe what an agent should produce. The validate tool spawns a validator agent that checks the output against the type definition. filter keeps only results that pass. retry re-runs until the output validates. Types reference each other with [type-name] syntax.

  • Agents can use your MCP servers. Set mcps: ["database-mcp"] in a sandbox spec and the agent gets access to your local knowledge base, Logseq graph, Google Workspace, or any other MCP server configured in your Claude settings. Data paths are mounted into the container at the same host path; network MCPs need no extra config. See the MCP Access guide.

  • Full artifact tracing. Every container runs a PostToolUse hook that logs MCP tool calls and file writes to artifacts.jsonl. inspect generates a post-mortem debug report from any ref. unwrap extracts output to a file you can Read() or Grep. Every ref carries a provenance hash and parent chain.


Architecture

flowchart TB
    Claude["Claude Code<br/>(your session)"] -- "MCP" --> Server["swarm-mcp server<br/>run · par · map · chain · pipeline"]
    Server --> Pools["Semaphore + Resource Pools<br/>SWARM_MAX_CONCURRENT · SWARM_RESOURCE_gpu"]
    Pools --> Docker["Docker API"]
    Docker --> C0["Container 0<br/>claude --model sonnet"]
    Docker --> C1["Container 1<br/>claude --model opus"]
    Docker --> CN["Container N<br/>claude --model haiku"]
    C0 & C1 & CN --> Out[" /tmp/swarm-mcp/{run}/{agent}/<br/>result.json · stream.jsonl · artifacts.jsonl"]
    Out -- "unwrap()" --> Text["output.md"]

Ref flow

flowchart LR
    A["run('Review code')"] --> R["ref: a1b2c3/agent-0<br/>exit_code: 0 · cost: $0.03<br/><i>metadata only — no text yet</i>"]
    R -- "unwrap()" --> F["/tmp/.../output.md"]
    R -- "inspect()" --> D["inspect.md<br/>debug report"]
    R -- "reduce([r1,r2,r3])" --> S["synthesis ref"]

Combinator composition

flowchart LR
    P["par(3 tasks)"] --> R3["3 refs"]
    R3 --> Re["reduce('Synthesise')"] --> Final["1 ref"] --> U["unwrap → text"]

    M["map(template, 5 inputs)"] --> R5["5 refs"]
    R5 --> Fi["filter('code-review')"] --> V["valid refs only"]

Installation

Prerequisites

  • Docker — containers are the execution substrate

  • Claude Code CLI — with OAuth configured (claude login)

  • uv — Python package manager

Install

# Run directly
uvx mcp-swarm

# Or install as a tool
uv tool install mcp-swarm

Configure Claude Code

Add to your Claude settings (~/.claude.json or project .claude.json):

{
  "mcpServers": {
    "swarm": {
      "command": "uvx",
      "args": ["mcp-swarm"]
    }
  }
}

Build the Docker image

The agent containers need a Docker image with Claude CLI and uv baked in. Clone the repo and build:

git clone https://github.com/stiege/swarm-mcp
cd swarm-mcp
docker build -t swarm-agent .

The Dockerfile installs Claude Code CLI and uv from their official sources during the build — no binaries to copy. The image is based on Ubuntu 24.04 with git, Python 3, and jq. It auto-builds on first use if missing, but pre-building avoids the startup delay.


Quick Start

1. Single agent — code review

Use run to review this file:

run(
  prompt: "Review the error handling in /workspace/src/api/auth.py. Flag any unhandled exceptions, missing input validation, or security issues. Be specific — line numbers and fix suggestions.",
  model: "sonnet",
  mounts: '[{"host_path": "/home/me/myproject", "container_path": "/workspace", "readonly": true}]',
  tools: "Read,Glob,Grep"
)

Returns a ref with metadata. Use unwrap on the ref to read the full review.

2. Parallel research — three topics at once

Use par to research these topics in parallel:

par(
  tasks: '[
    {"prompt": "Research the current state of WebTransport API browser support. What works, what doesn'\''t, what'\''s coming.", "model": "sonnet"},
    {"prompt": "Research QUIC protocol performance characteristics vs TCP for real-time applications. Include benchmarks if available.", "model": "sonnet"},
    {"prompt": "Research existing open-source WebTransport server implementations. Compare features, maturity, language.", "model": "sonnet"}
  ]',
  max_concurrency: 3
)

Three containers spin up simultaneously. Each gets its own network, filesystem, and execution context. Results come back as an array of refs with a summary showing succeeded/failed counts.

3. Pipeline — write, test, fix loop

Use pipeline to implement and test a feature:

pipeline(
  definition: '{
    "name": "implement-and-test",
    "steps": [
      {
        "id": "implement",
        "prompt": "Implement a rate limiter middleware for Express.js. Use a sliding window algorithm. Write to /shared/rate-limiter.js",
        "model": "sonnet",
        "tools": "Read,Write,Bash"
      },
      {
        "id": "test",
        "prompt": "Write tests for /shared/rate-limiter.js using Jest. Run them. Report pass/fail.",
        "model": "sonnet",
        "tools": "Read,Write,Bash",
        "on_fail": "fix"
      },
      {
        "id": "fix",
        "prompt": "Fix the failing tests. Read the error output and fix either the implementation or the tests.",
        "model": "sonnet",
        "tools": "Read,Write,Bash",
        "condition": "prev.error",
        "next": "test",
        "max_retries": 3
      }
    ]
  }'
)

The pipeline writes code in step 1, tests it in step 2, and if tests fail, loops through the fix step up to 3 times. All steps share the /shared/ directory for file passing.


Combinators Reference

Execution

Combinator

Pattern

Use when

run

1 prompt → 1 ref

Single agent task. The fundamental unit.

par

N prompts → N refs

Independent tasks that can run simultaneously.

map

1 template + N inputs → N refs

Same operation applied to many inputs (fan-out).

chain

N prompts → 1 final ref (sequential)

Each step needs the previous step's output as context.

reduce

N refs + synthesis prompt → 1 ref

Combine multiple results into a single synthesis.

map_reduce

map + reduce in one call

Fan-out then synthesize — no manual plumbing.

Control Flow

Combinator

Pattern

Use when

filter

N refs + type → valid refs

Keep only results that match a declared type.

race

N prompts → 1 winner ref

Multiple strategies, take the first success.

retry

1 prompt + max_attempts → 1 ref

Flaky task that may need multiple tries. Optionally validates against a type.

guard

1 ref + check → ref or error

Enforce constraints (validated, budget, classification, encrypted, exists) before passing downstream.

pipeline

JSON definition → execution trace

Multi-step workflow with conditions, retries, on_fail handlers, and budget/deadline tracking.

Observation

Tool

Pattern

Use when

unwrap

ref → file path

You need the actual text content. Writes to output.md.

inspect

ref → debug report

Post-mortem on a failed or slow agent. Shows tool calls, stream log, artifacts.

Security

Tool

Pattern

Use when

encrypt

ref → encrypted ref + key_id

Protect sensitive output at rest. Metadata stays readable; text is Fernet-encrypted on disk.

decrypt

encrypted ref + key_id → file path

Decrypt with the right key. Writes plaintext to output.md.

classify

ref + level → classified ref

Tag data sensitivity (public/internal/confidential/restricted). Controls which MCPs can access.

Types

Tool

Pattern

Use when

list_type_registry

→ list of types

See what types are defined.

get_type_definition

name → markdown content

Read a type definition, with [references] resolved.

validate

artifact + type → VALID/PARTIAL/INVALID

Check if an agent's output matches a declared type.

Configuration

Tool

Pattern

Use when

save_sandbox_spec

name + JSON → saved

Create a reusable sandbox configuration.

list_sandbox_specs

→ list of specs

See saved sandboxes.

wrap

file path → ref

Bring an external file/directory into the ref system.

wrap_project

project dir → registered resources

Register a project's pipelines/, sandboxes/, types/ directories.


Sandbox Configuration

A sandbox spec defines the environment for an agent container. Use inline on any combinator, or save with save_sandbox_spec for reuse.

Field

Type

Default

Description

model

string

"sonnet"

Claude model: haiku, sonnet, opus

tools

list[string]

["Read","Write","Glob","Grep","Bash"]

Allowed Claude tools

mcps

list[string]

[]

MCP servers to attach (by name from host ~/.claude.json). The server's code and config are mounted into the container; add data paths via mounts. See MCP Access.

system_prompt

string

null

System prompt injected via --system-prompt

claude_md

string

null

Written to workspace CLAUDE.md

output_schema

dict

null

JSON schema for structured output (--json-schema)

effort

string

null

Effort level: low, medium, high, max

max_budget

float

null

USD budget cap for the agent

input_type

string

null

Natural language type describing agent input

output_type

string

null

Natural language type describing expected output

mounts

list[dict]

[]

Volume mounts: {"host_path", "container_path", "readonly"}

workdir

string

"/workspace"

Container working directory

input_files

dict

{}

Files to inject: {"/path": "content"}

network

bool

true

Network access (needed for Anthropic API)

memory

string

null

Docker memory limit (e.g. "2g")

cpus

float

null

Docker CPU limit (e.g. 2.0)

gpu

bool

false

Pass --gpus all to Docker

resources

list[string]

[]

Named resource pools to acquire (e.g. ["gpu", "database"])

timeout

int

1800

Max execution time in seconds (30 min default)

env_vars

dict

{}

Environment variables: {"KEY": "value"}

Complete example

{
  "model": "sonnet",
  "tools": ["Read", "Write", "Glob", "Grep", "Bash"],
  "system_prompt": "You are a senior backend engineer. Write production-quality Go code.",
  "claude_md": "# Project\nThis is a Go microservice using chi router and pgx for Postgres.",
  "mounts": [
    {"host_path": "/home/me/myservice", "container_path": "/workspace", "readonly": false}
  ],
  "mcps": ["database-mcp"],
  "memory": "4g",
  "cpus": 2.0,
  "timeout": 600,
  "effort": "high",
  "env_vars": {"GOPATH": "/home/ubuntu/go"},
  "output_type": "[go-module]"
}

Save it:

save_sandbox_spec(name: "go-backend", spec: '<the JSON above>')

Then use it anywhere:

run(prompt: "Add pagination to the /users endpoint", sandbox: "go-backend")
par(tasks: '[{"prompt": "...", "sandbox": "go-backend"}, ...]')

Pipelines

A pipeline definition is a program expressed as data. The pipeline tool is the interpreter. You describe what should happen — steps, control flow, error handling — and the interpreter evaluates it, managing shared state and resource budgets.

The key property: the definition is a JSON value you can store, version, share, resume, and generate. It does nothing on its own. The interpreter handles all effects: spawning containers, tracking costs, enforcing deadlines, and routing control flow.

Complete pipeline example

{
  "name": "research-and-report",
  "budget": 2.00,
  "deadline_seconds": 1800,
  "classification": "internal",
  "steps": [
    {
      "id": "gather",
      "prompt": "Research the top 5 Rust web frameworks by GitHub stars. For each, note: name, stars, last commit date, key features. Write a JSON summary to /shared/frameworks.json",
      "model": "sonnet",
      "tools": "Read,Write,Bash"
    },
    {
      "id": "benchmark",
      "prompt": "Read /shared/frameworks.json. For each framework, find or estimate request throughput benchmarks. Write results to /shared/benchmarks.json",
      "model": "sonnet",
      "tools": "Read,Write,Bash"
    },
    {
      "id": "draft",
      "prompt": "Read /shared/frameworks.json and /shared/benchmarks.json. Write a comparative analysis report to /shared/report.md. Include a recommendation.",
      "model": "opus",
      "tools": "Read,Write",
      "on_fail": "fix-draft"
    },
    {
      "id": "fix-draft",
      "prompt": "The report draft failed. Read the error, fix the issues, and rewrite /shared/report.md",
      "model": "sonnet",
      "tools": "Read,Write",
      "condition": "prev.error",
      "next": "review",
      "max_retries": 2
    },
    {
      "id": "review",
      "prompt": "Read /shared/report.md. Check for factual accuracy, missing data, and unclear recommendations. Write feedback to /shared/review.md. If the report is good, just write 'APPROVED'.",
      "model": "opus",
      "tools": "Read,Write",
      "retry_if": {"draft": "NEEDS_REVISION"}
    }
  ]
}

Step fields

Field

Type

Description

id

string

Step identifier (used by on_fail, next, retry_if). Defaults to step-{i}.

prompt

string

The task prompt. Previous step's output is appended as context automatically.

on_fail

string | dict

Step ID to jump to on failure, or {"governor": "Name"} for LLM-governed decision.

on_success

dict

{"governor": "Name"} — LLM-governed decision evaluated after a successful step.

next

string

Step ID to jump to after success (instead of next sequential step).

condition

string

"prev.error" — only run this step if the previous step failed.

max_retries

int

Max times this step can be entered via on_fail/next jumps (default: 3).

retry_if

dict

{"target_step": "keyword"} — if output contains keyword, jump to target step.

+ any sandbox field

model, tools, system_prompt, timeout, etc.

Pipeline-level fields

Field

Type

Description

name

string

Pipeline name (optional).

sandbox

string

Default sandbox spec applied to all steps.

budget

float

Total USD budget. Pipeline stops if exceeded.

deadline_seconds

int

Wall-clock deadline. Pipeline stops if exceeded.

classification

string

Default data classification for the run.

governors

dict

Inline governor specs keyed by name. Per-project, version-controlled alongside the pipeline.

Pipeline status

The pipeline tool returns a status field: "done" (all steps completed) or "broken" (last result had an error, or a governor returned broken). A broken_reason field is included when applicable. Broken pipelines can be inspected via pipeline_status.

The /shared/ directory

Every step in a pipeline gets /shared/ mounted read-write. This is the inter-step communication channel. Step 1 writes /shared/data.json, step 2 reads it. No ref passing needed — just files.

Resuming

pipeline(definition: "research-and-report", resume: "a1b2c3d4e5f6")
pipeline(definition: "research-and-report", resume: "a1b2c3d4e5f6/benchmark")
  • resume: "run_id" — reuses the shared directory from a previous run, starts from step 0.

  • resume: "run_id/step_id" — skips to the named step, previous artifacts available in /shared/.


Governors

Governors are LLM-powered control-flow hooks evaluated at pipeline trigger points (on_fail, on_success). They replace hardcoded fallback logic with natural language policy — a Claude model reads the live pipeline state and decides what happens next.

Unlike the stamp layer (stamps.py — provenance, cost, classification, encryption), governors are about control flow.

Continuation algebra

Every governor returns one of five actions:

Action

Effect

next

Proceed to the next step normally

jump

Jump to a named step (target field)

halt

Stop the pipeline cleanly (status: done)

broken

Stop and mark pipeline as broken with a reason

patch_pipeline

Deep-merge patch the pipeline definition, then continue

The context dict is free-form, accumulates across the pipeline, and is written to /shared/governor-context.json after each evaluation so steps can read it.

Inline pipeline governors

Define governors directly in the pipeline JSON — version-controlled alongside the pipeline, no global registration needed:

{
  "name": "train-loop",
  "governors": {
    "TrainingFailure": {
      "description": "Governs QLoRA train step failures",
      "model": "claude-haiku-4-5-20251001",
      "spec": "You govern the train step of a QLoRA fine-tuning pipeline. OOM errors → broken. NaN/loss divergence → broken. Transient errors (disk, timeout) → jump to the step before train to retry data preparation. Inspect exit_code and error output."
    },
    "QualityGate": {
      "description": "Decides whether the current model iteration is good enough",
      "model": "claude-haiku-4-5-20251001",
      "spec": "You govern the evaluation step. If the pass rate is 5/5, return halt (we're done). If 3-4/5, jump to the training step for another iteration. If 0-2/5, return broken — the model is not converging."
    }
  },
  "steps": [
    {"id": "train",    "prompt": "...", "on_fail":    {"governor": "TrainingFailure"}},
    {"id": "evaluate", "prompt": "...", "on_success": {"governor": "QualityGate"}}
  ]
}

Global fallback: ~/.claude/governors/ (managed by save_governor_spec / list_governor_specs). Inline definitions take priority over global ones.

The patch_pipeline action

A governor can surgically modify the running pipeline definition. This uses JSON Merge Patch (RFC 7396) — null values delete keys, objects recurse, scalars/arrays replace:

{
  "action": "patch_pipeline",
  "pipeline_patch": {
    "steps": [
      {"id": "train", "prompt": "Run training with --batch-size 4 instead of 8"}
    ]
  },
  "context": {"adjusted_batch_size": true},
  "reason": "Detected instability in loss curve — reducing batch size"
}

governor_context

The context dict from each governor continuation is merged into a running governor_context that persists across the entire pipeline. Written to /shared/governor-context.json so steps can read it. Use it to pass structured observations between governors (e.g., iteration count, last loss value, retry history).


Type System

Types are natural language specifications stored as markdown files in a types/ directory. They describe what something is, what it should contain, and how to verify it.

Defining a type

Create types/code-review.md:

A code review document that covers:

1. **Summary** — one paragraph describing what the code does
2. **Issues** — numbered list of problems found, each with:
   - Severity (critical / warning / nit)
   - File and line number
   - Description of the problem
   - Suggested fix
3. **Security** — specific section for security concerns (XSS, injection, auth)
4. **Testing** — assessment of test coverage and suggestions

## Verification
- Has a Summary section
- Has at least one numbered issue with severity, location, and fix
- Has a Security section (even if "no issues found")
- Has a Testing section

Using types

Set input_type or output_type on any combinator to inject type context into the agent's prompt:

run(
  prompt: "Review the auth module",
  output_type: "code-review",
  mounts: '[{"host_path": "/home/me/project", "container_path": "/workspace", "readonly": true}]'
)

Validating

validate(artifact: '{"ref": "a1b2c3/agent-0"}', declared_type: "code-review")

Returns VALID, PARTIAL, or INVALID with per-criterion results.

Type references

Types can reference other types with [type-name] syntax:

# types/api-server.md
A REST API server that includes:
- Route handlers with input validation
- Error handling middleware
- [test-suite] with integration tests
- [dockerfile] for containerized deployment

References are resolved recursively (up to depth 3). Each referenced type is inlined once; subsequent references become "(see above)".

Registering types

wrap_project(project_dir: "/home/me/myproject")

This registers myproject/types/, myproject/sandboxes/, and myproject/pipelines/ as search paths. Types in the project take priority over global types in ~/.claude/types/.


Resource Pools & GPU

GPU access

run(
  prompt: "Fine-tune the sentiment classifier on the new dataset",
  gpu: true,
  mounts: '[{"host_path": "/data/models", "container_path": "/models", "readonly": false}]'
)

Setting gpu: true does two things:

  1. Passes --gpus all to the Docker container

  2. Acquires the "gpu" resource pool (capacity 1 by default)

If another agent is using the GPU, this one queues until the resource is free.

Named resource pools

Any string in the resources array becomes a semaphore. Configure capacity with environment variables:

# One GPU at a time (default)
export SWARM_RESOURCE_gpu=1

# Up to 3 concurrent database connections
export SWARM_RESOURCE_database=3

# Rate-limit external API access to 5 concurrent agents
export SWARM_RESOURCE_api=5

Use in a run call:

run(
  prompt: "Query the production database for user analytics",
  resources: '["database"]',
  mcps: '["database-mcp"]'
)

Queue semantics

Resource acquisition uses a separate timeout (SWARM_QUEUE_TIMEOUT, default 1 hour) from execution timeout. An agent waiting 10 minutes for a GPU still gets its full execution time once the GPU is available. The global concurrency limit (SWARM_MAX_CONCURRENT) is acquired first, then named resources.


Observability

unwrap — extract text to file

unwrap(ref: "a1b2c3/agent-0")

Writes the agent's full text output to /tmp/swarm-mcp/a1b2c3/agent-0/output.md and returns the path and size. Use Read() to view it. This is how you go from a lazy ref to actual content.

inspect — post-mortem debug

inspect(ref: "a1b2c3/agent-0")

Generates a debug report at inspect.md containing:

  • Result metadata (exit code, error, duration, cost)

  • Output text (first 2000 chars)

  • Stream log summary (tool calls made, thinking steps)

  • Artifacts logged by the PostToolUse hook

  • Files in the output directory

Artifact tracing

Every agent container runs a PostToolUse hook (hooks/log-artifacts.sh) that captures MCP tool calls and file writes to /output/artifacts.jsonl. Each entry records:

{
  "timestamp": "2025-01-15T10:30:00Z",
  "tool": "Write",
  "tool_use_id": "toolu_abc123",
  "input": {"file_path": "/workspace/src/main.py", "content": "..."},
  "response": {"success": true}
}

This gives you a complete audit trail of what every agent did inside its container.

Encrypted refs

The encrypt / decrypt flow protects sensitive outputs at rest:

run(prompt: "Extract PII from the uploaded documents")
  │
  ▼
encrypt(ref: "a1b2c3/agent-0")
  │
  ▼
{ "ref": "a1b2c3/agent-0",       ◄── metadata visible
  "key_id": "f9e8d7c6b5a4",      ◄── needed to decrypt
  "encrypted": {                   ◄── text is Fernet-encrypted on disk
    "key_id": "f9e8d7c6b5a4",
    "algorithm": "fernet"
  }}
  │
  ├── unwrap() ──► ERROR: "Ref is encrypted. Use decrypt tool."
  │
  └── decrypt(ref: "a1b2c3/agent-0", key_id: "f9e8d7c6b5a4") ──► output.md

The key is stored in /tmp/swarm-mcp/.keys/ with 0600 permissions. Only processes with the key_id can access the plaintext. The ciphertext stays in result.jsondecrypt writes the plaintext to a separate output.md without replacing the encrypted copy.

Classification flow

classify(ref: "a1b2c3/agent-0", level: "confidential", denied_mcps: '["whatsapp", "slack"]')
  │
  ▼
guard(ref: '<classified ref>', check: "classification", value: '["slack"]')
  │
  ▼
ERROR: "MCP 'slack' denied for classification 'confidential'"

Classification levels: public (0) → internal (1) → confidential (2) → restricted (3). Use guard with the "classification" check to enforce data flow policies before passing refs to downstream agents with MCP access.


On-Disk Layout

Every agent execution produces a directory under /tmp/swarm-mcp/:

/tmp/swarm-mcp/
└── a1b2c3d4e5f6/              ← run_id
    ├── agent-0/                ← agent_id
    │   ├── result.json         ← full output + metadata
    │   ├── stream.jsonl        ← raw stream-json from claude
    │   ├── artifacts.jsonl     ← PostToolUse hook log
    │   ├── output.md           ← created by unwrap()
    │   ├── inspect.md          ← created by inspect()
    │   ├── prompt.txt          ← the prompt sent to the agent
    │   ├── home/               ← staged HOME dir mounted into container
    │   │   ├── .claude/        ← claude config + settings + hooks
    │   │   └── .claude.json    ← oauth + mcp config
    │   └── workspace/          ← mounted as /workspace in container
    │       └── CLAUDE.md       ← injected from sandbox spec
    ├── agent-1/
    │   └── ...
    └── shared/                 ← pipeline shared directory (/shared/ in containers)
        ├── data.json
        └── report.md

Environment Variables

Variable

Default

Description

SWARM_MAX_CONCURRENT

10

Maximum agents running simultaneously across all combinators.

SWARM_QUEUE_TIMEOUT

3600

Seconds an agent will wait in the queue for an execution slot or resource pool.

SWARM_RESOURCE_<name>

1

Capacity of a named resource pool. e.g. SWARM_RESOURCE_gpu=1, SWARM_RESOURCE_database=3.

SWARM_PROJECT_DIR

unset

Project root containing pipelines/, sandboxes/, types/ directories. Added to search paths on startup.


Contributing

See CONTRIBUTING.md.


License

MIT

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