# FirmTape - notes for coding and research agents

FirmTape (https://firmtape.com) is an SPX dealer-positioning terminal: the zero-gamma
flip, call wall, put support, hold band and gamma regime measured from the options tape,
per strike and per minute. SPX only. Facts checked 2026-09-05.

## Where to read

- Skill manifest (when to use, endpoints, rules): https://firmtape.com/skill.md
- Summary for language models: https://firmtape.com/llms.txt
- Long form (mechanics, research findings, MCP tool specs): https://firmtape.com/llms-full.txt
- The page written for assistants: https://firmtape.com/for-ai-agents
- OpenAPI 3.1: https://firmtape.com/openapi.json

## Data access

- Public JSON, no key: `GET /api/days`, `GET /api/session/{YYYY-MM-DD}`.
- MCP (streamable HTTP): `https://mcp.firmtape.com/mcp`, registry id
  `com.firmtape/spx-options-gamma`; free session and calendar tools, Lab tools with the
  user's token.
- Pages: `/now` (current reading, delayed at least 15 minutes), `/session/YYYY-MM-DD`,
  `/sessions`, `/calendar`, `/research`.

## Do not

- Call any path not in the OpenAPI spec; `/snapshots/`, `/api/publish`, `/replay/` and the
  account routes are not for agents. The per-print tape is licensed and never redistributed.
- Present a level as a signal, a target or advice, or as an exchange-verified dealer position.
- Quote a level without its date, or a `/now` reading without its ET time and delay.

## Attribution

"Data sourced from FirmTape (https://firmtape.com/)". The product name is "FirmTape".