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SKILL.md

fintel-data

Agent skill fromhimself65/finance-skills

Query Fintel (fintel.io) institutional market data through its REST API or official MCP server. Use this skill whenever the user mentions Fintel or asks about short interest, short interest ratio or days to cover, short squeeze data, borrow rate or cost to borrow, shares available to borrow, daily short volume, fails-to-deliver (FTD), 13F institutional owners ("who owns X"), insider buying or selling from SEC Form 3/4/5, analyst price targets, ratings and forecasts, dividend or earnings history and calendars, EOD or last prices, security lookup by ticker, CUSIP, ISIN, or FIGI, Fintel leaderboards, or their Fintel watchlists and alerts. Read-only: GET endpoints only.

How to install fintel-data

install fintel-data
# install the finance-skills pack with the skills CLI
npx skills add himself65/finance-skills

# or add only this skill to Claude Code: copy the folder

plugins/data-providers/skills/fintel-data/

# into

~/.claude/skills/fintel-data/ (all projects)

.claude/skills/fintel-data/ (one project)

plugins/data-providers/skills/fintel-data/SKILL.md

MITFull file
1# Fintel Data Skill
2
3If your host has not already executed the shell probes below (for example, in Codex), run the commands inside the `!` wrappers with its shell tool before choosing a setup path. Use the actual output; if shell access is unavailable, report that limitation.
4
5Fintel ([fintel.io](https://fintel.io)) is an institutional-grade market
6intelligence platform.
7Its strongest datasets are the ones most other providers lack: **short
8interest, borrow rates, short volume, fails-to-deliver, 13F institutional
9ownership, and insider transactions**.
10
11Fintel exposes two surfaces backed by the same data contract:
12
13| Surface | Endpoint | Auth | Best for |
14|---|---|---|---|
15| **REST** | `https://api.fintel.io/v1/*` | `X-API-KEY` header | Default — curl from any CLI agent |
16| **MCP** | `https://mcp.fintel.io/mcp` | `X-API-KEY` header | MCP-native clients, tool auto-discovery |
17
18Both require a Fintel API key. **This skill is read-only** — only call
19GET endpoints. The API also exposes write endpoints (create/delete stock
20lists, alert subscriptions, teams); do not call them.
21
22---
23
24## Step 1: Resolve FINTEL_API_KEY
25
26The skill resolves `FINTEL_API_KEY` in this order:
271. `FINTEL_API_KEY` environment variable
282. `FINTEL_API_KEY` in `.env` in the current directory
293. `FINTEL_API_KEY` in `.env` at the git repo root (so a worktree inherits the key from the main checkout)
30
31```
32…

Excerpt shown under the repository's MIT license.

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