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claude-code-delegate-local

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License: MIT Python 3.11+ MCP

MCP server that delegates Claude Code subagents to alternative backends β€” local models (LM Studio, llama.cpp, Ollama, vLLM, LiteLLM), DeepSeek, MiniMax M3, GLM Coding Plan (Z.ai), AWS Bedrock, or any OpenAI/Anthropic-compatible endpoint β€” without losing your Claude Code orchestrator session.

Built for users who want to keep their main Claude Code session on Anthropic (Max plan or API) for orchestration, while offloading specific subagents to cheaper, faster, or HIPAA-safe local backends.


Table of contents


Related MCP server: openai-agents-mcp

What it solves

You're working with Claude Code on a project and you want to:

  • Send a specific subagent (e.g., security-engineer) to a local model to save tokens from your Max plan, or because you're handling sensitive data that can't leave your machine.

  • Route another subagent to DeepSeek because it's 10Γ— cheaper and faster for large tasks.

  • Keep your main Claude Code session exactly as it is β€” no swapping commands, no separate CLI, no losing the Max plan.

That's what delegate-local does. It's an MCP server you install once that exposes tools the orchestrator can invoke to route specific subagents to whatever backend you've configured.

Features

  • βœ… Your Anthropic Max plan stays intact. No need to launch a separate CLI like ccr code or swap commands.

  • βœ… 3-tier agent lookup. Same command works in any project β€” finds .claude/agents/<name>.md in the project first, then .claude/skills/<name>/SKILL.md, then global ~/.claude/agents/<name>.md.

  • βœ… Dual-format backend. Auto-routes to /v1/messages (Anthropic format) or /v1/chat/completions (OpenAI format) based on model prefix. Works with DeepSeek's reasoning_content thinking mode out of the box.

  • βœ… Full tool calling. Delegated agents get read_file, write_file, and run_bash with the same loop semantics as Claude Code's native subagents.

Quick install

Requires uv and Claude Code.

git clone https://github.com/fegone/claude-code-delegate-local.git
cd claude-code-delegate-local
uv sync

# Register as Claude Code MCP (user scope = global across projects)
claude mcp add delegate-local \
  --scope user \
  --env DELEGATE_LOCAL_URL=http://localhost:4000/v1/messages \
  --env DELEGATE_LOCAL_KEY=your-backend-api-key \
  --env DELEGATE_LOCAL_MODEL=local-qwen-3-6-35b \
  -- uv run --directory $(pwd) python server.py

Restart Claude Code. The MCP exposes 4 tools (see below).

Configuration

All env vars are optional; defaults assume a LiteLLM proxy on localhost:4000.

Env var

Default

Description

DELEGATE_LOCAL_URL

http://localhost:4000/v1/messages

Anthropic-format endpoint. For OpenAI-format models, the server auto-converts the URL to /v1/chat/completions.

DELEGATE_LOCAL_KEY

""

Bearer token / API key. Sent as both x-api-key and Authorization: Bearer.

DELEGATE_LOCAL_MODEL

local-qwen-3-6-35b

Default model alias if the caller doesn't specify one.

DELEGATE_LOCAL_CODING_MODEL

(= DELEGATE_LOCAL_MODEL)

Opt-in: coding agents (coder, webdev, backend, devops, frontend, fullstack, security) auto-route to this alias when the caller doesn't pass a model. Defaults to DELEGATE_LOCAL_MODEL (no rewrite). Set it to a coder-tuned alias to split coding onto a different model. Must be an alias your backend actually serves β€” otherwise coding agents fail with "model not found".

DELEGATE_LOCAL_AGENTS_DIR

~/.claude/agents

Where to look for global agent definitions.

See docs/CONFIGURATION.md for full details and example setups with LiteLLM, llama.cpp, Ollama, DeepSeek direct, and AWS Bedrock.

Concurrency pools and failover

Each model gets a pool of six concurrent dispatches, shared across every open Claude Code session β€” not per session, and not per provider. The pools are real files under ~/.cache/claude-delegate-local/slots/<bucket>/, each requiring an exclusive flock; the kernel releases the lock if a process dies, so a crashed session leaves no phantom slots.

The bucket is chosen by longest matching prefix, so specific entries win over family ones:

Bucket

Slots

Covers

deepseek-v4-flash

6

-flash, -flash-max

deepseek-v4-pro

6

-pro, -pro-max

qwen-3-8-max

6

-max, -max-think

glm-coding-plan

6

plain, -think, -max

ornith

6

ornith*

local-

2

everything else local

Variants of one model share a pool on purpose: they sit behind the same flat plan.

Override any of them with DELEGATE_CONCURRENCY_<BUCKET> (e.g. DELEGATE_CONCURRENCY_GLM_CODING_PLAN=4).

Failover

When a pool is full, the dispatch walks a chain of equivalent models rather than failing:

glm-coding-plan-think β†’ qwen-3-8-max β†’ deepseek-v4-flash β†’ deepseek-v4-pro
deepseek-v4-flash     β†’ deepseek-v4-pro β†’ glm-coding-plan-think β†’ qwen-3-8-max

Flash goes straight to Pro because Flash already bills per token β€” hopping to Pro does not turn a flat plan into an invoice. For the same reason DeepSeek sits last in the other chains: GLM and Qwen bill $0 against their plans, so a busy afternoon should not quietly become a bill.

Fallbacks wait only DELEGATE_FAILOVER_GRACE (default 10s) for their own slot β€” the point is to find room now, not to queue four times over. A result that failed over carries failed_over_from and model_used.

⚠️ The chain preserves the NAME of a thinking tier, not measured equivalence. GLM's -max does not reason more than -think; Qwen 3.8's reasoning_effort does not scale; DeepSeek's medium/high/max are indistinguishable. The mapping is the best available, not a claim that the models reason alike.

Local models and Codex never fail over

local-, ornith, codex and gpt- are pinned to themselves, in both directions.

Local models run on hardware that may see regulated data; a silent hop to a cloud provider would move that data off-premise and nobody would notice, because the failure mode of an automatic fallback is that it does not announce itself. Codex bills against a ChatGPT subscription, where failing over means nothing and failing over to it burns plan quota.

The guard filters the chain itself, not just the origin, so editing FAILOVER_CHAINS later cannot route a local model outward.

Tools exposed

Tool

Purpose

delegate_to_local_agent(agent_name, task, workdir, max_turns, model)

Run a .md-defined agent on the default backend with full tool calling. max_turns defaults to auto (v0.6.0): 15 for local backends (local-*, MoE-A3B), 25 for cloud (MiniMax M3, DeepSeek, Sonnet/Opus). Pass an explicit value to override. Hard cap 40.

delegate_batch(tasks)

NEW v0.5.0 β€” Dispatch up to 4 agent tasks in parallel via asyncio.gather. Each task is a dict {agent_name, task, workdir?, max_turns?, model?, max_tokens?}. Returns per-task results in input order. Reuses same agent_name across tasks for KV-cache prefix benefit (~30-50% prompt savings on local llama.cpp).

delegate_to_provider(provider_url, api_key, model, agent_name, task, ...)

Run an agent on any arbitrary endpoint (DeepSeek, OpenRouter, etc.)

delegate_to_codex(task, workdir, model, sandbox, timeout_s)

NEW β€” Delegate to the OpenAI Codex CLI as an autonomous agent, authenticated by the user's ChatGPT subscription (Plus/Pro) β€” OpenAI's official path, no API key, no proxy. Codex does its own file edits + shell in its sandbox; the tool shells out to codex exec and returns the final message. Default model gpt-5.6-sol. Plan-allowed: the three GPT-5.6 flavors gpt-5.6-sol/terra/luna (default sol) + gpt-5.5/5.4/5.4-mini. Short aliases work: sol, terra, luna. (gpt-5.6/-codex 400 on a subscription.) ⚠️ Cloud model β€” never for PHI. ⚠️ Plus plan = ~15-80 msgs / 5h window. Env: DELEGATE_CODEX_BIN, DELEGATE_CODEX_MODEL.

list_local_agents()

List agents found in DELEGATE_LOCAL_AGENTS_DIR with their frontmatter metadata

local_backend_status()

Health check + list of models available on the configured backend

Note on delegate_batch and sub-agents

Claude Code sub-agents launched via the native Agent/Task tool do not inherit the parent session's MCP servers. This means delegate_batch (and any other MCP tool) is only callable from the main orchestrator session. Sub-agents that need parallel local-backend dispatch should use httpx.AsyncClient + asyncio.gather directly against the LiteLLM endpoint instead. This is a Claude Code architecture constraint, not a delegate-local limitation.

3-tier agent lookup

When you call delegate_to_local_agent("webdev", ...) with a workdir, the server looks for the agent definition in this order:

  1. <workdir>/.claude/agents/webdev.md β€” project agent (highest priority)

  2. <workdir>/.claude/skills/webdev/SKILL.md β€” project skill (alternative location)

  3. ~/.claude/agents/webdev.md β€” global agent (fallback)

This means the same delegate call works in any project, using whichever scope owns the agent. The response includes agent_source so the orchestrator knows which one was loaded.

Dual-format backend routing

Models with these prefixes are routed to OpenAI-format /v1/chat/completions:

  • deepseek-*

  • openai-*

  • gpt-*

  • qwen-* (external Qwen APIs β€” note that local-qwen-* aliases route via Anthropic /v1/messages)

All other models go to Anthropic-format /v1/messages. Inside the server everything is normalized to Anthropic-style content blocks (text / tool_use / thinking) so the agent loop stays uniform.

GLM Coding Plan (Z.ai): the glm-coding-plan alias has no openai/gpt/deepseek/qwen prefix, so it routes via Anthropic /v1/messages β€” which is what Z.ai's Anthropic-compatible endpoint (https://api.z.ai/api/anthropic) expects. Flat-rate subscription with automatic server-side prompt caching. In LiteLLM use the plain model code anthropic/glm-5.2 β€” the [1m] (1M-context) suffix errors against this endpoint there; it only works when Claude Code points directly at Z.ai (see examples/claude-glm.sh). Setup: docs/CONFIGURATION.md.

Thinking-mode support

For models that emit reasoning_content (DeepSeek V4, OpenAI o1-style), the server preserves it as a {"type": "thinking", "thinking": "..."} content block between turns. This is required by LiteLLM and most providers β€” if you drop reasoning_content from the assistant message in multi-turn, the next request fails with 400 Bad Request.

max_tokens defaults to 65536 (parameter of the tool β€” caller can override). High default is intentional so thinking-mode models have budget for both reasoning and content output, and so large monolithic outputs (e.g., complete HTML files with embedded JS) don't get truncated. Lower it explicitly only if your backend has a stricter cap.

Example: LiteLLM proxy

A minimal litellm/config.yaml to use with this MCP:

model_list:
  - model_name: local-qwen-3-6-35b
    litellm_params:
      model: openai/Qwen3-6-35B
      api_base: http://localhost:8000/v1   # your llama.cpp / vLLM server
      api_key: sk-no-key-required

  - model_name: deepseek-v4-flash
    litellm_params:
      model: deepseek/deepseek-chat
      api_key: os.environ/DEEPSEEK_API_KEY

  - model_name: bedrock-sonnet-4-6
    litellm_params:
      model: bedrock/anthropic.claude-sonnet-4-6-20260101-v1:0
      aws_region_name: us-east-1

Then run litellm --config config.yaml --port 4000 and point this MCP at it.

Tested with

Backend

Model

Single-turn

Multi-turn

LiteLLM + llama.cpp

local-qwen-3-6-35b (Qwen3.6 35B-A3B)

βœ…

βœ…

LiteLLM + DeepSeek API

deepseek-v4-flash

βœ…

βœ…

LiteLLM + DeepSeek API

deepseek-v4-pro

βœ…

βœ…

LiteLLM + Z.ai

glm-coding-plan

βœ…

βœ…

LiteLLM + AWS Bedrock

bedrock-sonnet-4-6, bedrock-llama4-*

βœ…

βœ…

Picking a DeepSeek tier: deepseek-v4-flash is the better default for coding and agentic work β€” the 2026-07-31 rebuild beats deepseek-v4-pro across DeepSeek's published benchmarks at roughly a third of the output cost, and it already reasons at high effort by default (which is why it has no -think variant). Reserve deepseek-v4-pro for very long reasoning chains. Note these are the vendor's own self-reported numbers on their own harness β€” good enough to pick a default, worth validating on your own task before you move serious work.

⚠️ Both tiers can spend their whole token budget reasoning and return nothing. The server auto-raises the default budget for them; see max_tokens troubleshooting.

Validation tasks: SQL injection review (security-engineer agent), HTML calculator (creative agent, 500-800 LOC monolithic), Pac-Man game (884 LOC monolithic single-shot).

Best practices

⚠️ If you dispatch multi-file sprints to local backends, read this first. Naive single-dispatch of 6+ files at once causes ReadTimeout at high turn counts as context saturates the slot. Splitting the work and reusing the same agent name across parallel workers can cut wall-clock time by ~60% and tokens by ~78%.

  • 🎯 docs/BEST-PRACTICES.md β€” empirical thresholds for when to split work, KV-cache prefix reuse for parallel dispatches, scope-bounded prompts, estimated savings table

Further reading

Caveats

  • run_bash runs shell commands inside workdir without sandboxing. Trust the agents you delegate. If you delegate to an unvetted public agent, the tool can read/write anywhere the calling user has access. There is no Docker isolation by default.

  • Caps (v0.6.0): read_file supports offset/limit (line ranges) and returns up to ~50KB per call with line numbers and a [lines N-M of TOTAL] header β€” paginate large files instead of re-reading. run_bash truncates stdout to 12KB and stderr to 4KB, timeout 120s.

  • max_turns hard cap is 40. Long-running orchestrations should be designed as multiple delegate calls rather than one huge loop.

License

MIT. See LICENSE.

Available Tools

5 tools
delegate_batchA

Despacha hasta N agentes EN PARALELO en una sola llamada, usando asyncio.gather. Útil cuando el orquestador quiere ejecutar N sub-tareas independientes simultÑneamente en backends que soportan paralelismo nativo (e.g., llama.cpp con --parallel 4).

USE WHEN you have multiple independent sub-tasks and your backend has parallel slots available (delegate cap = 4 = heavy-coding throughput sweet-spot; oMLX allows 8). With same agent_name reused across tasks, you also benefit from KV cache prefix reuse on the shared system prompt (~30-50% prompt-processing savings).

LIMITATION: Sub-agents launched via Claude Code's Agent/Task tool do NOT inherit parent's MCP servers, so this tool cannot be called from within a sub-agent. It only works from the main orchestrator session. Sub-agents that need parallelism should use httpx.AsyncClient + asyncio.gather directly against your LiteLLM endpoint.

ParametersJSON Schema
NameRequiredDescriptionDefault
tasksYesList of task dicts. Each dict has the same keys as delegate_to_local_agent's parameters: {agent_name, task, workdir?, max_turns?, model?, max_tokens?}. agent_name and task are required; rest use defaults. Hard cap MAX_BATCH_SIZE (4) tasks per call. For more, split into multiple calls or use sequential delegate_to_local_agent calls.

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Discloses parallelism, batch size cap, KV cache benefits, and the sub-agent limitation. However, lacks details on error handling or behavior on partial failures.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loaded main purpose, but some sections (limitation, alternatives) are lengthy. Still efficient overall.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers purpose, usage, parameters, and limitations well. With output schema present, return format is not needed. Minor gaps like error behavior do not detract significantly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Only parameter 'tasks' is described beyond schema: explains it is a list of dicts with keys matching delegate_to_local_agent and a hard cap, adding value over the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it dispatches up to N agents in parallel using asyncio.gather, contrasting with the sibling delegate_to_local_agent which handles single agents.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly tells when to use (multiple independent sub-tasks with parallel slots) and when not to use (cannot be called from sub-agent), with clear alternative suggestions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

delegate_to_local_agentA

Despacha un agente (cargado desde un .md con frontmatter) a un backend OpenAI/Anthropic- compatible con tool calling completo (read_file / write_file / run_bash). Devuelve resultado consolidado.

USAR cuando el usuario quiera ejecutar un agente especΓ­fico en un backend alternativo (local, cloud, etc.) en vez del default del orquestador. El orquestador sigue intacto.

Para despachar VARIOS agentes en paralelo en una sola llamada, ver delegate_batch.

ParametersJSON Schema
NameRequiredDescriptionDefault
taskYesTarea concreta para el agente. SΓ© especΓ­fico, el agente leerΓ‘ ese prompt.
modelNoModel alias as configured in your LiteLLM proxy (or direct provider). Default 'local-qwen-3-6-35b'. Override via DELEGATE_LOCAL_MODEL env var.local-qwen-3-6-35b
workdirNoDirectorio de trabajo del agente (default: '.' del MCP). Recomendado pasar ruta absoluta al proyecto donde trabajarΓ‘..
max_turnsNoTope de iteraciones de tool-calling (hard cap 40). Default 0 = AUTO: 15 para backends locales (local-*, MoE-A3B con techo de ctx ~262K), 25 para backends cloud (MiniMax M3 512K, DeepSeek API, Sonnet/Opus). Pasar un valor explΓ­cito lo fuerza. Para tareas cortas conocidas: 5-10. Para review/anΓ‘lisis multi-archivo pesado en cloud: 25-30.
agent_nameYesNombre del agente sin .md. Ej: 'seo-content', 'security-engineer', 'database-optimizer'. Debe existir en ~/.claude/agents/
max_tokensNoTope de tokens por turno del modelo. Default = 65536, EXCEPTO si `model` termina en "-max" (p.ej. glm-coding-plan-max, deepseek-v4-pro-max) -> default sube a 150000 automΓ‘tico. Motivo: en deep-reasoning tiers el modelo puede gastar TODO el budget pensando y no dejar nada para la respuesta (verificado: deepseek-v4-pro-max con 32K devolviΓ³ 0 tool_calls, respuesta vacΓ­a). Pasar un valor explΓ­cito siempre gana sobre el auto-bump.

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations were provided, so the description carries full burden. It discloses that the agent is loaded from a .md file with frontmatter, that tool calling includes read_file/write_file/run_bash, that the backend must be OpenAI/Anthropic-compatible, and that the orchestrator remains intact. This sufficiently informs the agent of behavioral traits.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise and front-loaded with the core action. Each sentence serves a purpose: stating the action, clarifying when to use, and pointing to an alternative. No unnecessary words or repetition.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (6 parameters, output schema exists), the description covers the agent source, backend compatibility, alternative tool, and basic behavior. The presence of an output schema means return values do not need explanation. The description is complete for the agent to select and invoke correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so baseline is 3. The main description does not add additional meaning beyond what is already in the input schema parameter descriptions, which are already detailed. Therefore, no extra value is provided by the description for parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: 'Despacha un agente (cargado desde un .md con frontmatter) a un backend OpenAI/Anthropic-compatible con tool calling completo (read_file / write_file / run_bash).' It distinguishes from the sibling tool delegate_batch by specifying 'Para despachar VARIOS agentes en paralelo en una sola llamada, ver delegate_batch.'

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly states when to use the tool: 'USAR cuando el usuario quiera ejecutar un agente especΓ­fico en un backend alternativo (local, cloud, etc.) en vez del default del orquestador.' It also provides an exclusion by pointing to delegate_batch for multiple agents in parallel.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

delegate_to_providerB

VersiΓ³n genΓ©rica: despacha un agente a CUALQUIER endpoint OpenAI/Anthropic-compatible. Usar para rutear explΓ­citamente a providers no configurados como default (DeepSeek, MiniMax, Alibaba, OpenRouter, etc.).

ParametersJSON Schema
NameRequiredDescriptionDefault
taskYes
modelYesIdentificador del modelo (depende del provider)
api_keyYesAPI key del provider
workdirNo.
mode_tagNoTag a prepender en system prompt (default MODE:LOCAL β€” puede ser MODE:DEEPSEEK etc.)MODE:LOCAL
max_turnsNo
agent_nameYes
max_tokensNo
provider_urlYesURL completa al endpoint /v1/messages (o equivalente)

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

B3.2/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are present, so the description must disclose behavioral traits. It only states 'generic version' and the act of dispatching, but does not explain error handling, authentication requirements (beyond api_key), response format, or whether the call is synchronous/streaming.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is very short and front-loaded: one sentence defining function, one for usage. No fluff or repetition. Every sentence earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (9 parameters, 5 required) and generic nature, the description is too sparse. It lacks details on constructing provider_url, task format, and what the output schema contains aside from its mere existence. An agent would struggle to invoke correctly without additional manual or external knowledge.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is low (44%), and the description adds no parameter-level information. It does not explain the format of provider_url, task, agent_name, or other critical fields beyond what the schema already provides, failing to compensate for gaps.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states that the tool dispatches an agent to any OpenAI/Anthropic-compatible endpoint, and contrasts with default providers by naming alternatives (DeepSeek, MiniMax, etc.). It is specific and hints at differentiation from siblings like delegate_to_local_agent.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly instructs to use this for non-default providers, providing concrete examples. It gives clear usage context but does not explain when not to use (e.g., when default provider is sufficient) or alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

list_local_agentsA

Lista los agentes disponibles en ~/.claude/agents/ que pueden delegarse con delegate_to_local_agent(). Devuelve nombre, descripciΓ³n (del frontmatter) y modelo declarado de cada uno.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided, so description carries full burden. It clearly states it is a listing operation with no side effects, and specifies return values. Sufficiently transparent.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single sentence conveying all necessary information without redundancy. Highly concise and front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no parameters and a clear output schema (described), the description fully covers what the tool does and returns. Complete for its simplicity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

No parameters exist, so the description adds no value beyond schema. Baseline score of 4 is appropriate as schema coverage is 100% and no extra parameter info is needed.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool lists available agents from a specific directory, mentions the sibling function for delegation, and specifies the returned fields (name, description, model). It is specific and distinguishes from siblings.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies use when needing to know available local agents for delegation, but does not explicitly state when not to use or compare to alternatives. Sibling context helps, but explicit guidance is missing.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

local_backend_statusA

Health check del backend configurado (LiteLLM proxy por default). Devuelve estado, modelos disponibles y latencia bÑsica. Útil antes de delegar para validar que el backend estÑ alcanzable.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. It discloses that the tool is a read-only health check returning status, models, and latency, which is sufficient behavioral context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, front-loaded with purpose and specific outputs. No wasted words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no parameters and a clear output schema, the description adequately covers the tool's purpose and return values. Completes the context for its role as a pre-delegation check.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Zero parameters, so no additional info needed. Schema coverage is 100% vacuously. Baseline for 0 params is 4.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it performs a health check on the backend, returning status, models, and latency. It distinguishes from sibling tools like delegation and listing agents.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly mentions it is useful before delegating to validate backend reachability. No explicit when-not-to or alternatives, but the context is clear.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

TDQS

A3.9/5.0
Disambiguation4/5

Tools have distinct purposes, but delegate_to_local_agent and delegate_to_provider are both delegation variants that could be confused; descriptions clarify the difference but conceptual overlap remains.

Naming Consistency5/5

All tool names follow a consistent snake_case pattern with clear verb_noun structure (delegate_batch, delegate_to_local_agent, list_local_agents, local_backend_status).

Tool Count4/5

5 tools is a reasonable number for a focused delegation server, though it covers the core workflows without feeling overly slim.

Completeness3/5

Covers delegation, listing, and health check, but misses obvious lifecycle operations like adding/removing agents or providers, and lacks a way to stop or monitor ongoing delegations.

Maintenance

ActivityActive
ResponsivenessNo issues

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