for Codex
Codex

Hand Codex the project graph it can ship from.

Codex is fast at code. Hydrant gives it the project memory it lacks — every issue, decision, and dependency on tap — so a Codex run can pull a brief, ship the change, and leave a trail other operators can read.

Get a personal access tokenView MCP setup
Install

Point Codex at one URL.

Hydrant runs as a hosted MCP server. Authenticate with a personal access token and the same endpoint works across every client.

  1. 1Install Codex from openai.com/codex and sign in
  2. 2Append the snippet to ~/.codex/config.toml, replacing the bearer with your Hydrant PAT
  3. 3Restart Codex and confirm the hydrant MCP server is listed
hydrant.dev/mcp·live
~/.codex/config.toml
toml
[mcp_servers.hydrant]
command = "npx"
args = [
  "-y",
  "mcp-remote",
  "https://hydrant.dev/mcp",
  "--header",
  "Authorization: Bearer hyd_sk_your-token-here",
]
Capabilities

The working set agents need.

Same hosted endpoint, same object model. Codex can read, write, and walk the project graph from a single MCP connection.

Issues

5 tools
get_issuelist_issuescreate_issueupdate_issueset_dependencies

Planning

4 tools
list_cyclesget_cycle_issueslist_milestonesget_milestone_issues

Decisions

4 tools
get_decisionlist_decisionscreate_decisionupdate_decision

Notes

5 tools
get_notelist_notescreate_noteupdate_notelist_folders

Search

4 tools
searchpreview_bundlegenerate_bundleget_bundle

Files

4 tools
save_filelist_filesget_file_urlgenerate_upload_url
[ Closed beta · invite only ]

Hand Codex a project
system it can actually use.

Join the wait listRead the MCP overview