diff --git a/README.md b/README.md
index bf4f319..3297fab 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,33 @@ Random utilities of vbatts' being cleaned up, and published
 
 # Commands
 
+## see-pr
+
+Add the github PR refspec to a local git repo.
+
+### Install
+
+	go get github.com/vbatts/utils/cmd/see-pr
+
+### Usage
+
+	$ see-pr -h
+	Usage of see-pr:
+	  -config string
+	        path to the git config (default ".git/config")
+	  -path string
+	        local path of the git repo (default ".")
+	  -remote string
+	        upstream remote name (default "origin")
+
+Then to let it update your `.git/config`:
+
+	$ see-pr
+	INFO[0000] reading from ".git/config"                   
+	INFO[0000] origin/origin URL: git@github.com:vbatts/utils.git 
+	INFO[0000] appending fetch = +refs/pull/*/head:refs/remotes/pr/* 
+	INFO[0000] SUCCESS! `git fetch` and then you can `git checkout pr/$NUM` of your PRs 
+
 ## dups
 
 building a document of file checksum info, for a directory tree. Optionally
diff --git a/cmd/see-pr/README.md b/cmd/see-pr/README.md
new file mode 100644
index 0000000..e8706f9
--- /dev/null
+++ b/cmd/see-pr/README.md
@@ -0,0 +1,27 @@
+# see-pr
+
+Add the github PR refspec to a local git repo.
+
+## Install
+
+	go get github.com/vbatts/utils/cmd/see-pr
+
+## Usage
+
+	$ see-pr -h
+	Usage of see-pr:
+	  -config string
+	        path to the git config (default ".git/config")
+	  -path string
+	        local path of the git repo (default ".")
+	  -remote string
+	        upstream remote name (default "origin")
+
+Then to let it update your `.git/config`:
+
+	$ see-pr
+	INFO[0000] reading from ".git/config"                   
+	INFO[0000] origin/origin URL: git@github.com:vbatts/utils.git 
+	INFO[0000] appending fetch = +refs/pull/*/head:refs/remotes/pr/* 
+	INFO[0000] SUCCESS! `git fetch` and then you can `git checkout pr/$NUM` of your PRs 
+
diff --git a/cmd/see-pr/go.mod b/cmd/see-pr/go.mod
new file mode 100644
index 0000000..e5a5a7a
--- /dev/null
+++ b/cmd/see-pr/go.mod
@@ -0,0 +1,8 @@
+module github.com/vbatts/utils/cmd/see-pr
+
+go 1.13
+
+require (
+	github.com/go-git/go-git/v5 v5.0.0
+	github.com/sirupsen/logrus v1.6.0
+)
diff --git a/cmd/see-pr/go.sum b/cmd/see-pr/go.sum
new file mode 100644
index 0000000..92eccff
--- /dev/null
+++ b/cmd/see-pr/go.sum
@@ -0,0 +1,68 @@
+github.com/alcortesm/tgz v0.0.0-20161220082320-9c5fe88206d7/go.mod h1:6zEj6s6u/ghQa61ZWa/C2Aw3RkjiTBOix7dkqa1VLIs=
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+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
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+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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diff --git a/cmd/see-pr/main.go b/cmd/see-pr/main.go
new file mode 100644
index 0000000..8a45c60
--- /dev/null
+++ b/cmd/see-pr/main.go
@@ -0,0 +1,92 @@
+package main
+
+import (
+	"flag"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/go-git/go-git/v5/config"
+	"github.com/sirupsen/logrus"
+)
+
+var (
+	DefaultConfigPath   = ".git/config"
+	DefaultRepoPath     = "."
+	DefaultUpstreamName = "origin"
+
+	PullRequestRefSpec = "+refs/pull/*/head:refs/remotes/pr/*"
+)
+
+func init() {
+	flag.StringVar(&DefaultConfigPath, "config", DefaultConfigPath, "path to the git config")
+	flag.StringVar(&DefaultRepoPath, "path", DefaultRepoPath, "local path of the git repo")
+	flag.StringVar(&DefaultUpstreamName, "remote", DefaultUpstreamName, "upstream remote name")
+}
+
+func main() {
+	flag.Parse()
+
+	path := filepath.Join(DefaultRepoPath, DefaultConfigPath)
+	logrus.Infof("reading from %q", path)
+	origBuf, err := ioutil.ReadFile(path)
+	if err != nil {
+		logrus.Fatal(err)
+	}
+
+	cfg := config.NewConfig()
+	err = cfg.Unmarshal(origBuf)
+	if err != nil {
+		logrus.Fatal(err)
+	}
+
+	changesMade := false
+	foundRemote := false
+outer:
+	for origin, remote := range cfg.Remotes {
+		if origin != DefaultUpstreamName {
+			logrus.Infof("skipping %s", origin)
+			continue
+		}
+		foundRemote = true
+
+		foundGithub := false
+		for _, url := range remote.URLs {
+			logrus.Infof("%s/%s URL: %s", origin, remote.Name, url)
+			if strings.Contains(url, "github.com") {
+				foundGithub = true
+			}
+		}
+		if !foundGithub {
+			logrus.Warn("no github remote URL found. PR RefSpec doesn't make sense here")
+			break outer
+		}
+		for _, fetch := range remote.Fetch {
+			if fetch.String() == PullRequestRefSpec {
+				logrus.Infof("PR Fetch RefSpec is already here!")
+				break outer
+			}
+			logrus.Debugf("%s/%s = %s", origin, remote.Name, fetch)
+		}
+		logrus.Infof("appending fetch = %s", PullRequestRefSpec)
+		remote.Fetch = append(remote.Fetch, config.RefSpec(PullRequestRefSpec))
+		changesMade = true
+	}
+	if !foundRemote {
+		logrus.Fatalf("failed to find %q remote", DefaultUpstreamName)
+	}
+
+	// write back the Marshalled config
+	if changesMade {
+		newBuf, err := cfg.Marshal()
+		if err != nil {
+			logrus.Fatalf("failed to marshal back: %s", err)
+		}
+		//fmt.Println(string(newBuf))
+		if err := ioutil.WriteFile(path, newBuf, os.FileMode(0644)); err != nil {
+			logrus.Fatalf("failed to rewrite %q: %s", path, err)
+		}
+		logrus.Infof("SUCCESS! `git fetch` and then you can `git checkout pr/$NUM` of your PRs")
+	}
+}