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REQUESTED#171 jazz-agents

RFC: local MCP-tooled agent stack (LangGraph + Ollama + Gemma 3 + Qwen2.5-Coder) on the ticket-authorization model

goal

GOAL: replace/augment the Claude-based pair_loop with a LOCAL, self-hosted agent stack whose agents draw tools ONLY from MCP. Motivation: control, trust, zero external telemetry. Roles map onto the 0029 ticket-authorization model: a DISPATCH agent (Gemma 3 — reasoning/routing ONLY, no code tools), adversarial WORKER PAIRS (Qwen2.5-Coder writes; a second model verifies, blind), orchestrated by LangGraph as a CHECKPOINTED state machine, all registered and journaled in the SAME append-only agents/ticket_events tables. LangGraph is the control plane; the DB stays the ledger. This RFC SPAWNS the research tickets below; each answers a make-or-break question before any build. DELIVERABLE of this ticket: docs/LOCAL_AGENT_STACK.md synthesizing the research into a build plan (RFC->spec->build->audit).

patch

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approval

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runs

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mandate (clauses)

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manifestations

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guarantees

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journey (blunders & successes)

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artifacts (forge)

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source (forge tree)

browse congruency source (forge-parked tree)

children

#175 Research: Ollama tool-calling / structured-output reliability for Gemma 3 & Qwen2.5-Coder (MAKE-OR-BREAK) (spawned · REQUESTED)
#174 Research: MCP-only tool access + least-privilege dispatch agent (spawned · REQUESTED)
#173 Research: role->model fit (Gemma 3 dispatch/judge vs Qwen2.5-Coder worker) benchmarked on REAL agent tasks (spawned · REQUESTED)
#172 Research: model the ticket-authorization lifecycle as a LangGraph state machine (spawned · REQUESTED)