Package index

Ask Peter

peter()

Run an agent in this R session

Setup and status

gptr_init()

Create the project workspace .gptr/

gptr_config()

Show or change gptr's settings

gptr_env()

Load keys from a .env file

gptr_trust()

Record or read whether a project is trusted

gptr_login() gptr_logout()

Sign in to a model provider or an MCP server

gptr_providers()

List the configured model providers

gptr_models()

List models from the model catalog

gptr_permissions()

Manage permission rules

gptr_scrub()

Find, and optionally remove, registered secrets in persisted files

Discovery and MCP

gptr_skills() gptr_agents()

Discovered skills and agents

gptr_plugins()

Plugins known to this session

gptr_mcp()

List MCP servers and their tools

gptr_mcp_add() gptr_mcp_remove()

Add or remove an MCP server in gptr's configuration

gptr_mcp_serve()

Serve the live R session to other agents over MCP

Documents and artifacts

gptr_doc()

Bind this R process to a history document

gptr_source()

Source a history document, regenerating stale blocks without running the old code

gptr_blocks()

List the agent blocks of a document

gptr_export()

Export a recorded R document as ordinary R or a clean Peter script

gptr_cache()

Inspect, prune or clear gptr's caches

gptr_artifacts()

List, open, relaunch and stop artifacts

Session SDK

gptr_step()

Advance a session

gptr_wait()

Wait for sessions to settle

gptr_steer()

Steer a session

gptr_cancel()

Cancel running sessions

gptr_fork()

Fork a session

gptr_on()

Listen to a session's events

gptr_parallel()

Run several agent calls concurrently

gptr_sessions() gptr_resume() gptr_last()

Stored and live sessions

gptr_jobs()

List or stop gptr's background jobs and child processes

gptr_usage()

Token usage and cost

gptr_rewind() gptr_checkpoints()

Rewind a session: undo turns, restore objects and files, move the conversation

Results and inspection

gptr_return()

Designate the result of an agent run

gptr_describe()

Compact, budgeted description of an R object

gptr_prob()

Probabilities and confidence of System 1 answers

gptr_risk()

Classify the risk of R code without running it

gptr_prompt() print(<gptr_prompt_view>)

Show the frozen system prompt, tool array and first message

gptr_redact()

Redact secrets from text or from a nested list

gptr_preimage()

Tell the object checkpointer how to capture an object

Extension API

gptr_api()

Extension API version and features

gptr_register()

Register a capability spec

gptr_registry()

List the extension registry

gptr_reload()

Reload extensions

gptr_check()

Check an extension for conformance

gptr_fake_provider()

A scripted, offline fake model provider

gptr_tool_result()

Build a tool result

gptr_spec()

Build a spec of any registered kind

Spec constructors

gptr_tool()

Define a tool

gptr_provider()

Define a model provider

gptr_adapter()

Define a wire adapter

gptr_router()

Define a model router

gptr_hook()

Define an event hook

gptr_policy()

Define a permission policy

gptr_agent()

Define a sub-agent

gptr_command()

Define a slash command

gptr_prompt_section()

Define a system-prompt section

gptr_context_block()

Define a context block

gptr_backend()

Define a sub-agent backend

Help topics

gptr_security

Security considerations

gptr_egress

Data egress: what gptr sends to model providers

gptr_options

Options that control gptr

gptr-background background-sessions

Background sessions (experimental)

Methods

as.data.frame(<gptr_session_summary>)

Convert a session summary to a data frame

format(<gptr_risk>) print(<gptr_risk>)

Format a risk classification

format(<gptr_session>) as.character(<gptr_session>)

Format a session as its text

print(<gptr_session>)

Print a session

print(<gptr_session_summary>)

Print a session summary

str(<gptr_session>)

Show a session's structure

summary(<gptr_session>)

Summarize a session as its history