extensions

First-party extension manifests.

extensions registry
NameDescriptionSource
agent_state Read-only introspection tool for the running agentextensions/behaviors/companions/agent-state/manifest.fnl:1
builtin_tools Built-in fen tools: bash, read, write, ls, edit, grep, find.extensions/behaviors/kernel/builtin-tools/manifest.fnl:1
compact Context compaction command: summarize older messages and keep recent context.extensions/behaviors/companions/compact/manifest.fnl:1
default_prompt First-party default system prompt policyextensions/behaviors/kernel/default-prompt/manifest.fnl:1
docs In-agent runtime documentation browserextensions/behaviors/kernel/docs/manifest.fnl:1
essentials Essential fen slash commands: help and model selection.extensions/behaviors/kernel/essentials/manifest.fnl:1
extensions_inspector Extension inspector: /extensions, /reload-extension, and extension detail panel.extensions/behaviors/inspectors/extensions/manifest.fnl:1
handoff Session handoff command: summarize current context and seed a fresh session.extensions/behaviors/companions/handoff/manifest.fnl:1
mem Runtime memory diagnostics commandextensions/behaviors/companions/mem/manifest.fnl:1
print One-shot stdout presenter for --printextensions/adapters/presenters/print/manifest.fnl:1
prompt Prompt inspector: /prompt command and prompt-fragment panel.extensions/behaviors/inspectors/prompt/manifest.fnl:1
provider_anthropic First-party Anthropic Messages provider.extensions/adapters/providers/anthropic/manifest.fnl:1
provider_openai First-party OpenAI provider family (Chat Completions, Responses, Codex subscription, and Codex OAuth auth).extensions/adapters/providers/openai/manifest.fnl:1
queue Queue inspector: /queue, /cancel-all, and queue panel.extensions/behaviors/inspectors/queue/manifest.fnl:1
session_jsonl JSONL session backendextensions/adapters/session-backends/jsonl/manifest.fnl:1
sessions Conversation and session lifecycle commands: new, reload, sessions, resume, and aliases.extensions/behaviors/actions/sessions/manifest.fnl:1
skills Agent Skills discovery and prompt fragmentextensions/behaviors/companions/skills/manifest.fnl:1
status Runtime status inspector: /status command and status panel.extensions/behaviors/inspectors/status/manifest.fnl:1
stdio Line-mode stdin/stdout presenterextensions/adapters/presenters/stdio/manifest.fnl:1
todo Structured todo list companion tool, panel, and status itemextensions/behaviors/companions/todo/manifest.fnl:1
tui First-party termbox2 presenterextensions/adapters/presenters/tui/manifest.fnl:1
web First-party LuaSocket/SSE browser presenterextensions/adapters/presenters/web/manifest.fnl:1