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v0.6.0 Beta: Ecosystem Ergonomics & MCP Discoverability
Pre-release
Pre-release
Anticharon v0.6.0 Beta — Ecosystem Ergonomics & MCP Discoverability
This release delivers the complete Ecosystem Ergonomics multi-wave sprint across 7 execution waves:
🪙 Key Highlights
- Unified Agent Message Contract (#12, #22):
Every CLI--jsonoutput and MCP response now features a standardized envelope withstatus,messages(never empty, ending with timedCOMPLETED), andelapsed_ms.errorandrefusedmap deterministically to MCPisError: trueand CLI exit code 1. - Separated Command Surfaces (#13):
check_pricesandget_model_historyare now pure local reads (no network, no side effects) reading cachedhistory.csvand persistedalerts.json.run_pricesis the exclusive network fetch-and-persist tool with same-day smart refresh skipping (--forceoverride).
- Source-Tagged Shortlist & Slug Integrity (#14, #15):
Exact catalog slug validation, explicit defaults, preservation of manual models across Hermes synchronization, and strict refusal of unmonitored model targets before network access (D-14/18c). - Full Tool Surface & Parity (#16, #17, #18):
- Expanded from 4 to 13 MCP tools: added
run_prices,add_model,remove_model,list_models,self_test,calibrate_token_weights,calibrate_fast,check_updates,run_update. - Comprehensive MCP-9 annotations on all 11 core tools (
readOnlyHint,destructiveHint,idempotentHint,openWorldHint). - Native 5-prompt registry (
cost_spike_triage,model_migration_advisor, etc.) accessible via MCP and CLIanticharon prompt.
- Expanded from 4 to 13 MCP tools: added
- Self-Update Tools (#20):
User-initiatedcheck_updates/anticharon check-updateswith SemVer tuple comparison, 2s GitHub timeout, and experimentalrun_updateexecution sequences. - Fallback-Aware Alerts (#19):
PersistedNEXT_FALLBACK_PRICE/NEXT_FALLBACK_UNAVAILABLEfailover cost impact alerts comparing active default against sequential Hermes fallbacks. - Documentation & Wheel Packaging (#21, #23):
Single authoritativellms.txtpackaged directly into the wheel and exposed viaanticharon://llms.txt. Clean installation viauv tool installorpip install.
🔬 Empirical Verification
- Automated Test Suite: 304 passed, 3 deselected in 1.37s (100% green).
- MCP Inspector Ritual (MG-1): 100% PASS on all 13 tools, 4 resources, and 5 prompts.
- Hermes Host Test (MG-3): Verified on live Hermes VM (Linux 6.8.0-1067-gcp x86_64) — all 13 tools discovered over stdio, diagnostics green.
📦 Closed Issues
Resolves: #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23.