Tool providers

Every provider you can declare with tool Name : Provider(args): the built-in ones, and the ones in the package registry. Each method has an effect, which tool policies and halo plan use: read changes nothing, write changes local state, external acts on the world. Hover a method for its description.

Provider	Methods	From
RESTHTTP GET requests under the tool's base URL	get	built in
POSTHTTP POST with a JSON body to the tool's URL	post	built in
PostgreSQLA PostgreSQL database	query	built in
BashA bash shell	run	built in
BrowserFetches web pages as readable text (no JavaScript)	fetch	built in
FileA JSON file of notes or conversation history	readappendclear	built in
VectorStoreSearchable memory	searchlogcountdelete	built in
SlackSlack	post	built in
EmailSends email	send	built in
GitHubA GitHub repository	get_issuelist_issuescreate_issuecommentadd_labelscreate_pr	built in
LinearLinear issues	create_issue	built in
FigmaFigma files	get_fileget_node	built in
MCPA Model Context Protocol server's tools, over stdio (a command) or Streamable HT…	listed by the server at run time	built in
ChromeA headless Chrome browser tab: open pages (running their JavaScript), click, fil…	listed by the server at run time	built in
WorkspaceFiles in one folder (the workspace root). Paths are relative to the root; absolu…	readwriteeditlistglobsearchdeletemkdir	built in
KVA persistent key-value store (local SQLite). Values are any JSON. Keys can expir…	getsetdeletelistincr	built in
CodeRun a short code snippet in a separate process with no environment variables (no…	run	built in
DocumentsExtract text from documents: text, Markdown, HTML, CSV/TSV, JSON, Word .docx, an…	extract	built in
GitHubMCPGitHub through its official MCP server: repositories, issues, pull requests, cod…	listed by the server at run time	halo add github-mcp
JiraJira Cloud issues: search with JQL, read, create, comment, and transition	searchget_issuecreate_issueadd_commentlist_transitionstransition	halo add jira
NotionNotion pages and databases: search, read, query, create, and append	searchget_pageget_blocksquery_databasecreate_pageappend_blocks	halo add notion
SentrySentry error tracking: list, read, and resolve issues	list_issuesget_issuelatest_eventupdate_issue	halo add sentry
StripeStripe payments: customers, charges, refunds, and balance	list_customersget_customercreate_customerlist_chargescreate_refundget_balance	halo add stripe
WorldTimeTime zones without an API: the time anywhere, and converting a time between zone…	nowconvert	halo add world-time
CloudflareCloudflare: Workers, KV, D1, R2, Pages and Queues in an account; DNS records, se…	list_workersget_worker_settingslist_worker_deploymentslist_kv_namespaceslist_kv_keysget_kv_valuedelete_kv_valuelist_d1_databasesquery_d1list_r2_bucketslist_pages_projectslist_pages_deploymentslist_queues	halo add cloudflare
CloudflareZoneCloudflare: Workers, KV, D1, R2, Pages and Queues in an account; DNS records, se…	list_dns_recordscreate_dns_recordupdate_dns_recorddelete_dns_recordget_settingpurge_cache	halo add cloudflare

Details and arguments for each: built-in tools, local tools, Chrome, MCP, stores.