Environment variable MCP_READ_ONLY
No value of this variable is held in this registry. The registry knows only the name the source states.
Entries naming MCP_READ_ONLY as an ordinary environment variable
| Awesome Mineflayer MCP | io.github.G0Osey99/awesome-mineflayer-mcp | Control a Mineflayer Minecraft bot with 120+ MCP tools: move, mine, craft, fight, build, and see. |
|---|---|---|
| SAS Viya | io.github.sassoftware/sas-mcp-server | Execute SAS code and query Compute, CAS, and model APIs on SAS Viya via OAuth 2.0. |
| Telegram MCP Server | io.github.tolboy/telegram-mcp-tdlib | Local-first TDLib Telegram MCP server with 115 tools, account isolation and production guardrails. |
| abap-adt-mcp in namespace io.github | io.github.williansaez/abap-adt-mcp | ABAP development from Claude and other MCP hosts: source, transports, tests, ATC, debugger |
Start of the description from the source registry (first sentence, at most 160 characters), untranslated and unverified
Entries naming MCP_READ_ONLY as a secret required variable
No entry.
What the sources write about this name
| Awesome Mineflayer MCP | Observe-only mode (no world-mutating tools). |
|---|---|
| SAS Viya | Expose only tools that neither change server-side state nor cause server-side work (51 of 92). Composes with MCP_TIERS. |
| Telegram MCP Server | Keep true for safe first use |
| abap-adt-mcp in namespace io.github | Set to 1 to make every destination read-only (server-side; only read-only annotated tools plus login/logout run). Per-destination policies live in systems.json |
Taken verbatim from the source, one line per entry. The text is a vendor's own statement and is neither checked nor shortened.
To the environment variable index
Version of the extraction rule: 1.1. The names are formed by splitting the stored original data at the separator this registry set when reading it in. Counted across the 41,867 published entries.
tracevero · https://tracevero.com/variable/MCP_READ_ONLY