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capacities-mcp CLAUDE.md

capacities-mcp CLAUDE.md is an instructions file for coding agents from jem-computer/capacities-mcp. It costs 536 tokens per session, scanned A, original, MIT.

Project instructions for an MCP server that connects to the Capacities note-taking API. They explain development commands, API documentation, API-key setup, and tools for listing, searching, and reading content.

In plain words
What is it for?
Use them to develop, test, build, authenticate, or use the server to search Capacities spaces and read their content.
Why use it?
They provide the setup details needed to run and authenticate the server and clarify how its Capacities operations work.

Instructions file

not rated 41 4mo ago A scan 536 tokens original MIT
View the source file jem-computer/capacities-mcp
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add instructions/jem-computer/capacities-mcp/claude-md
Clone the repo
git clone --depth 1 https://github.com/jem-computer/capacities-mcp

Wrote 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.

agentmods badge for capacities-mcp CLAUDE.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/jem-computer/capacities-mcp/claude-md.svg)](https://agentmods.dev/instructions/jem-computer/capacities-mcp/claude-md)
Your own site
<a href="https://agentmods.dev/instructions/jem-computer/capacities-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/jem-computer/capacities-mcp/claude-md.svg" alt="Measured on agentmods" height="20"></a>
Per session 536 This file is loaded in full into every session.
When invoked 536 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00536 $0.00536
Opus 5 $0.00268 $0.00268
Sonnet 5 $0.00107 $0.00107
Haiku 4.5 $0.00054 $0.00054

Measured 5d ago against content hash d0ef5a315e6f, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

capacities-mcp CLAUDE.md 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 5d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

CLAUDE.md · 58 lines

What it actually says

Capacities MCP Server

This is an MCP server for the Capacities API (https://docs.capacities.io/developer/api).

Development

  • Use bun as the package manager
  • Use bun run dev to start the development server
  • Use bun run lint to check code quality and types
  • Use bun run test to run tests
  • Use bun run build to build for production

API Reference

The Capacities API documentation is available at:

Authentication

Set the CAPACITIES_API_KEY environment variable with your Capacities API token.

For development, copy .env.example to .env and add your API key:

cp .env.example .env
# Edit .env and add your API key

Available Tools

  • capacities_list_spaces - Get user's personal spaces
  • capacities_get_space_info - Get structures and collections for a space
  • capacities_search - Search content across spaces
    • mode defaults to "title" if not specified
  • capacities_read_object_content - Retrieve full content of an object by ID
    • Parameters: objectId (UUID), spaceId (UUID), title (optional string)
    • How it works: Tries undocumented endpoints first, then falls back to search API aggregation
    • Note: Providing title parameter greatly improves search results
    • Returns aggregated content from search snippets when direct endpoint unavailable
  • capacities_save_weblink - Save a web link to a space
    • Parameters: titleOverwrite, descriptionOverwrite, tags, mdText
  • capacities_save_to_daily_note - Add text to today's daily note
    • origin only accepts "commandPalette"
    • Use noTimestamp: true to skip timestamp

Available Prompts

  • capacities-daily-summary - Create structured daily summaries
  • capacities-research-note - Format research findings
  • capacities-meeting-notes - Structure meeting notes

Rate Limits

  • /spaces: 5 requests per 60 seconds
  • /space-info: 5 requests per 60 seconds
  • /search: 120 requests per 60 seconds
  • /save-weblink: 10 requests per 60 seconds
  • /save-to-daily-note: 5 requests per 60 seconds
Changes

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.

  1. 5d ago First seen · 58 lines · 536 tokens per session scan A d0ef5a315e6f

Subscribe to this mod's changes

capacities-mcp CLAUDE.md is an instructions file published in the GitHub repository jem-computer/capacities-mcp (41 stars, last pushed 4mo ago), licensed MIT. It adds 536 tokens to every session, about $0.0027 per session on Opus 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 2026-08-30.

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