Borrowing it
Nothing to install: this file belongs to sussdorff/timing-cli. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/sussdorff/timing-cli/main/.agents/skills/ob-cli/SKILL.mdgit clone --depth 1 https://github.com/sussdorff/timing-cliWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/sussdorff/timing-cli/ob-cli)<a href="https://agentmods.dev/skills/sussdorff/timing-cli/ob-cli"><img src="https://agentmods.dev/badge/skills/sussdorff/timing-cli/ob-cli/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/sussdorff/timing-cli/ob-cli"><img src="https://agentmods.dev/badge/skills/sussdorff/timing-cli/ob-cli.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00024 | $0.01355 |
| Opus 5.5 | $0.00010 | $0.00542 |
| Sonnet 5.5 | $0.00005 | $0.00271 |
| Haiku 4.5 | $0.00002 | $0.00136 |
Grade A, and why
ob-cli scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 24d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 131 lines — stays where its author put it; the contents beside it link to each section on GitHub.
ob CLI — open-brain in Coding Harnesses
Routing Rule (Static)
| Context | Tool |
|---|---|
| Coding harness (Claude Code CLI, Codex CLI) | ob CLI — direct connection, no MCP round-trip |
| Mobile (claude.ai, iOS) | mcp__open-brain__* tools |
| Admin / bulk operations (ingest, migrate, lifecycle) | MCP or HTTP API |
The rule is static: if you are running inside a coding harness (terminal-launched Claude or Codex),
always prefer ob over MCP. MCP is only required when no CLI is available.
Installation
ob is available at ~/.local/bin/ob. No uv run needed.
Verify: ob doctor
Subcommands
| Subcommand | Purpose | Example |
|---|---|---|
ob search <query> |
Hybrid search (vector + FTS) across memories | ob search "ADR database migration" --limit=5 |
ob concept <query> |
Semantic-only (vector) search | ob concept "authentication patterns" |
ob save <text> |
Save a new observation/memory | ob save "Decided to use JWT" --type=decision --project=mira |
ob get <id> [<id> ...] |
Fetch full observations by ID | ob get 27733 |
ob context |
Recent session context for current project | ob context --project=library --limit=10 |
ob timeline |
Timeline view of memories | ob timeline --project=mira |
ob stats |
Database statistics | ob stats |
ob doctor |
Run server diagnostics | ob doctor |
ob update <id> |
Update an existing memory | ob update 27733 --title="New title" |
ob ingest |
Ingest from external sources | ob ingest --help |
ob people <sub> |
Manage people memories | ob people list |
--json Is a Global Option
--json belongs before the subcommand: ob --json search "query". Placed after
the subcommand it is an unrecognized argument and ob exits 2.
ob --json search "library sync" --limit=5 # machine-readable
ob --json get 27733 # full record for one ID
Bounded Recall
ob --json search returns whole records, so an unfiltered search floods the
context with long memories and inline image payloads. Bounded excerpts shipped in
a later open-brain release, so a hit carries either a server-side excerpt or
only the full content depending on the version answering this host. Project
.excerpt // .content and the same command stays bounded on both. Sanitize
before you cap, so an image or data URI cannot survive as a truncated blob:
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 24d ago Changed · +49 lines 362d6850af6c
- 1mo ago Changed 07940eaf251b
- 1mo ago First seen · 82 lines · 24 tokens per session scan A 71697d7ad88f
ob-cli is a skill published in the GitHub repository sussdorff/timing-cli (1 stars, last pushed 10d ago), licensed MIT. It adds 24 tokens to every session and 1,355 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-24.
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